Intel Xeon E5-2637 v2 Processor

2026-09-19

CPU Server

Intel Xeon E5-2637 v2 Processor

Exhibit Type: Enterprise Hardware Specification & Architectural Dossier
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Microarchitecture: Ivy Bridge-EP (22 nm)
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Socket: Socket R (LGA 2011 / FCLGA2011)
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Museum Inventory: 2 Units (Verified SR1B7 / M1 Stepping) Installed in Dell Precision 7610
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Source Authority: TechPowerUp, Intel Ark & PassMark

1. Technical Overview & Key Specifications

Category	Property	Specification
Processor Identity	Model Name	Intel® Xeon® Processor E5-2637 v2 (PassMark ID: 2178)
	Microarchitecture	Ivy Bridge-EP (Xeon E5 v2 Family)
	Market Segment	Server / Workstation (Up to 2-socket SMP configuration)
	Launch Date	September 2013 (Q3’13 launch • PassMark charts Q1’14)
	Part Numbers / S-Spec	`SR1B7` (M1 stepping • Verified Museum Inventory: 2 units in Dell Precision 7610)
Physical & Manufacturing	CPU Socket	Socket R (LGA 2011, FCLGA2011 package, 2011-pin)
	Manufacturing Process	22 nm 3D Tri-Gate High-k Metal Gate (Intel Foundry)
	Transistor Count	1.86 Billion transistors (Ivy Bridge-EP LCC die)
	Die Surface Area	257 mm² (Low Core Count die harvest)
Cores & Performance	Physical Cores / Threads	4 Cores / 8 Threads (Intel Hyper-Threading Technology)
	Base Clock Frequency	3.50 GHz (3500 MHz)
	Max Turbo Frequency	Up to 3.80 GHz (Intel Turbo Boost Technology 2.0)
	Base Clock / Multiplier	100 MHz BCLK / 35.0× (Multiplier Locked)
	Bus Interconnect	Dual Intel® QuickPath Interconnect (QPI) links at 8.00 GT/s
	Multi-CPU Scalability	Up to 2 Processors (2S symmetric multiprocessing)
Thermal & Electrical	Thermal Design Power (TDP)	130 W
	Nominal Operating Voltage	0.65 V – 1.30 V
	Thermal Specification (Tcase)	76.0 °C
Cache Hierarchy	Level 1 (L1) Cache	64 KB per core (32 KB Data + 32 KB Instruction) • 256 KB Total
	Level 2 (L2) Cache	256 KB dedicated per core • 1024 KB (1 MB) Total
	Level 3 (L3) Cache	15 MB Intel® Smart Cache (shared ring pool across all cores • full 6 × 2.5 MB slices enabled)
Memory Controller	Memory Topology	Quad-Channel DDR3 memory interface (4 discrete 64-bit channels)
	Supported Memory Types	DDR3-800 / 1066 / 1333 / 1600 / 1866 MHz
	Max Capacity / Bandwidth	Up to 768 GB • Up to 59.7 GB/s peak bandwidth; ECC supported
	Module Compatibility	Registered DIMMs (RDIMM), Load-Reduced DIMMs (LRDIMM), Unbuffered (UDIMM)
PassMark Benchmarks	Average CPU Mark (Multithread)	6,483 (Median: 6,615 across 63 low-margin samples)
	Single Thread Rating	1,939 MOps/Sec
	Server CPU Category Rank	Rank #868 out of 1,261 Server CPUs in PassMark database
Expansion & Graphics	PCI Express Interface	PCI-Express Revision 3.0 (Gen 3) direct CPU root complex (40 lanes)
Expansion & Graphics	Integrated Graphics Engine	None (N/A • requires discrete GPU or workstation/server motherboard onboard video)

2. Silicon Topology & Ivy Bridge-EP Microarchitecture

Compute Die Scale

1.86B

Transistors across 257 mm² 22 nm LCC die

Physical Execution Engines

4 Cores / 8 Threads

3.50 GHz base clock with 3.80 GHz turbo boost

Shared Last Level Cache

15 MB

Intel Smart Cache (3.75 MB/core active ratio)

Internal Silicon Die Topology & Ring Interconnect

+---------------------------------------------------------------------------------------+
|                 INTEL XEON E5-2637 v2 SILICON TOPOLOGY (IVY BRIDGE-EP LCC)            |
|                                                                                       |
|   +-------------+  +-------------+  +-------------+                                   |
|   |   CORE 0    |  |   CORE 1    |  | [DISABLED]  |                                   |
|   | 32K+32K L1  |  | 32K+32K L1  |  | (Harv. Core)|                                   |
|   |   256K L2   |  |   256K L2   |  |             |                                   |
|   +------+------+  +------+------+  +------+------+                                   |
|          |                |                |                                          |
|   === ring stop ======== ring stop ====== ring stop ===============================+  |
|   ||     |                |                |                                      ||  |
|   ||  2.5MB L3         2.5MB L3         2.5MB L3 (Shared L3 Active)               ||  |
|   ||                                                                              ||  |
|   ||          BI-DIRECTIONAL RING INTERCONNECT (HIGH-BANDWIDTH BUS)               ||  |
|   ||                                                                              ||  |
|   ||  2.5MB L3         2.5MB L3         2.5MB L3 (Shared L3 Active)               ||  |
|   ||     |                |                |                                      ||  |
|   === ring stop ======== ring stop ====== ring stop ===============================+  |
|          |                |                |                                          |
|   +------+------+  +------+------+  +------+------+                                   |
|   |   CORE 2    |  |   CORE 3    |  | [DISABLED]  |                                   |
|   | 32K+32K L1  |  | 32K+32K L1  |  | (Harv. Core)|                                   |
|   |   256K L2   |  |   256K L2   |  |             |                                   |
|   +-------------+  +-------------+  +-------------+                                   |
|                                                                                       |
|   [ INTEGRATED MEMORY CONTROLLER ]           [ I/O & INTERCONNECT CONTROLLER ]        |
|    - 4 x DDR3 Channels (Quad-Channel)         - Direct PCI Express 3.0 Root Complex   |
|    - DDR3-800 up to DDR3-1866 MHz ECC        - Dual QPI Links (8.00 GT/s each to 2S) |
+---------------------------------------------------------------------------------------+

3. Quad-Channel Memory & QuickPath Interconnect (QPI)

Integrated Quad-Channel DDR3-1866

Memory Channels: 4 discrete 64-bit channels integrated directly into processor silicon.
Speeds Supported: DDR3-800, DDR3-1066, DDR3-1333, DDR3-1600, and DDR3-1866 MHz.
Enterprise Reliability: Full hardware support for ECC (Error-Correcting Code) Registered RDIMMs and LRDIMMs.
Peak Memory Bandwidth: Up to 59.7 GB/s raw throughput to saturate memory-intensive compute jobs.

Dual 8.00 GT/s QPI Links

Interconnect Type: Intel® QuickPath Interconnect (QPI) point-to-point packetized bus.
Bus Transfer Rate: 8.00 GT/s (Gigatransfers per second) per link direction.
Dual Socket Coherency: Dual QPI links deliver seamless cache-coherent communication with a second CPU in dual-socket workstations like the Dell Precision 7610.
Scalability: Designed for symmetric multiprocessing (2S SMP) with deterministic inter-socket latency.

4. Advanced Technologies, Virtualization & Security

Technology Category	Feature / Instruction Set	Functional Capability
Hardware Virtualization	Intel® VT-x	Hardware virtualization assistance with Extended Page Tables (EPT) for ultra-low hypervisor memory overhead
	Intel® VT-d	Virtualization for Directed I/O (deterministic PCI device passthrough for dedicated GPUs and NVMe HBAs)
	Hyper-Threading (HTT)	Enables 8 logical execution contexts from 4 physical high-frequency processing cores
Vector & Crypto Acceleration	Intel® AVX & F16C	Advanced Vector Extensions: 256-bit SIMD arithmetic alongside half-precision 16-bit floating point format conversions
	Intel® AES-NI	Dedicated hardware-accelerated AES encryption and decryption for wire-speed VPNs and encrypted ZFS storage pools
	SSE4.1 / SSE4.2	Streaming SIMD Extensions 4.1/4.2 plus SSSE3, SSE3, SSE2, SSE, and MMX instructions
Platform Security & Power	Intel® TXT & XD bit	Trusted Execution Technology and Execute Disable Bit memory protection against malicious execution exploits
	Intel® Turbo Boost 2.0	Dynamic frequency scaling accelerating active cores from 3.50 GHz base up to 3.80 GHz under single/light-thread load
	Enhanced SpeedStep (EIST)	Intelligent multi-state voltage and frequency modulation minimizing idle workstation power consumption

5. PassMark Benchmark Dossier & Synthetic Performance (PerformanceTest V10)

Multithread Rating (CPU Mark)

6,483

Median: 6,615 across 63 samples (Low margin for error)

Single Thread Rating

1,939

High-frequency single-core execution throughput (MOps/Sec)

Data Encryption (AES-NI)

1,896

MBytes/Sec sustained hardware cryptographic rate

PassMark PerformanceTest V10 Detailed Test Suite Results

Test Suite Routine	Average Result Metric	Operational Context
Integer Math	22,464 MOps/Sec	General core processing & kernel execution
Floating Point Math	11,322 MOps/Sec	Mathematical modeling and scientific simulation
Find Prime Numbers	38 Million Primes/Sec	Pure CPU computational pipeline throughput
Random String Sorting	13,963 Thousand Strings/Sec	Memory controller and cache indexing efficiency
Data Encryption	1,896 MBytes/Sec	Hardware AES-NI encrypted storage & IPsec/WireGuard VPNs
Data Compression	101,720 KBytes/Sec	ZFS LZ4 compression and backup archival pipelines
Physics Simulation	543 Frames/Sec	Real-time physics calculation across parallel execution threads
Extended Instructions	4,384 Million Matrices/Sec	Intel AVX 256-bit vectorized matrix transformations
Single Thread Performance	1,939 MOps/Sec	Single-threaded latency and high-frequency responsiveness

PassMark Relative Hierarchy: Ivy Bridge-EP Stack

Processor Model	Cores / Frequency	Average CPU Mark	Relative Variance
Intel Xeon E5-2680 v2	10C / 20T @ 2.80 GHz	12,713	+96.1%
Intel Xeon E5-2650 v2	8C / 16T @ 2.60 GHz	10,028	+54.7%
Intel Xeon E5-2643 v2	6C / 12T @ 3.50 GHz	9,247	+42.6%
Intel Xeon E5-2630 v2	6C / 12T @ 2.60 GHz	7,046	+8.7%
Intel Xeon E5-2637 v2 (Exhibit #2969)	4C / 8T @ 3.50 GHz	6,483	Baseline (0.0%)
Intel Xeon E5-2620 v2	6C / 12T @ 2.10 GHz	5,980	-7.8%
Intel Xeon E5-2609 v2	4C / 4T @ 2.50 GHz	3,490	-46.2%
Intel Xeon E5-2603 v2	4C / 4T @ 1.80 GHz	2,750	-57.6%

6. Platform Synergy: Deployment in Dell Precision 7610 & Romley Infrastructure

Dual-Socket Workstation Architecture

The two Intel Xeon E5-2637 v2 processors in the museum collection are deployed in the Dell Precision 7610 flagship workstation tower. Built on Intel’s enterprise C602 chipset platform, the dual-socket configuration unites two high-frequency quad-core processors across dual 8.0 GT/s QPI coherent links:

Hardware Subsystem	Intel Xeon E5-2637 v2 (Per CPU)	Dell Precision 7610 Workstation
CPU Sockets / Compute	Socket R (LGA 2011) • 4C / 8T @ 3.50 GHz	Dual Socket R (2S SMP) • Combined 8C / 16T @ 3.50 GHz base (3.80 GHz turbo)
Cache Capacity	15 MB Smart Cache (3.75 MB/core active ratio)	Combined 30 MB L3 Smart Cache across dual sockets
Memory Interface	Quad-Channel DDR3-1866 ECC memory controller	16 DIMM slots (8 per CPU) • up to 512 GB DDR3 RDIMM ECC memory
PCIe Connectivity	40 lanes PCI Express 3.0 root complex	Up to 3 × PCIe 3.0 x16 slots supporting high-end dual-width GPUs
Platform Ecosystem	Compatible with Socket 2011 servers and boards	Architectural sibling to enterprise boards like Supermicro X9SRi-F (Exhibit #2957)

7. Curator’s Assessment & Homelab Applicability

Museum Hardware Provenance: Mateo’s Museum archive holds 2 verified physical units of the Intel Xeon E5-2637 v2 processor. Both units feature production S-Spec SR1B7 (M1 stepping) and are actively deployed in a dual-socket configuration within a Dell Precision 7610 workstation tower.
High-Frequency Single-Thread Strength: Unlike typical high-core-count enterprise Xeons that compromise on frequency, the E5-2637 v2 features a blistering 3.50 GHz base / 3.80 GHz turbo clock. It earns a PassMark Single Thread Rating of 1,939 MOps/Sec, easily outpacing many larger siblings like the 8-core E5-2680 (1,564) and providing snappy responsiveness for serial compute tasks.
Generous Cache-to-Core Ratio: Harvested from the 6-core Ivy Bridge-EP LCC die with the full 15 MB L3 cache enabled, each active core commands an enormous 3.75 MB of L3 cache (compared to ~2.5 MB on standard models). This disproportionate cache allocation significantly reduces memory latency during repetitive database lookups and build jobs.
Cryptographic & Storage Throughput: Hardware AES-NI acceleration sustains 1,896 MB/s in encryption benchmarks alongside 101,720 KB/s data compression, enabling line-rate encrypted storage volumes and wire-speed VPN connections in homelab routing environments.
Full Quad-Channel DDR3-1866 Bandwidth: With all four memory channels unconstrained, the processor drives up to 59.7 GB/s theoretical memory bandwidth, preventing memory-starvation issues during concurrent virtualization or compilation runs.
Workstation Synergy in Dell Precision 7610: Deployed in pairs within the Dell Precision 7610, the two processors provide a total of 8 physical high-frequency cores (16 threads) and 30 MB of L3 cache, balancing workstation interactive responsiveness with multi-threaded rendering and virtualization capabilities.