Intel Xeon E5-2637 v2 vs Intel Xeon E3-1245 v3

Comparative analysis of Intel Xeon E5-2637 v2 and Intel Xeon E3-1245 v3 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization, Graphics, Graphics interfaces. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

Intel Xeon E5-2637 v2

Intel Xeon E3-1245 v3

Differences

Reasons to consider the Intel Xeon E5-2637 v2

CPU is newer: launch date 3 month(s) later
Around 25% more L3 cache; more data can be stored in the L3 cache for quick access later
24x more maximum memory size: 768 GB vs 32 GB
Around 72% better performance in PassMark - CPU mark: 12075 vs 7027

Specifications (specs)
Launch date	September 2013 vs June 2013
L3 cache	10240 KB (shared) vs 8192 KB (shared)
Maximum memory size	768 GB vs 32 GB
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - CPU mark	12075 vs 7027

Reasons to consider the Intel Xeon E3-1245 v3

Around 55% lower typical power consumption: 84 Watt vs 130 Watt
Around 12% better performance in PassMark - Single thread mark: 2148 vs 1923
Around 17% better performance in Geekbench 4 - Single Core: 878 vs 748
Around 3% better performance in Geekbench 4 - Multi-Core: 3283 vs 3176

Specifications (specs)
Thermal Design Power (TDP)	84 Watt vs 130 Watt
Benchmarks
PassMark - Single thread mark	2148 vs 1923
Geekbench 4 - Single Core	878 vs 748
Geekbench 4 - Multi-Core	3283 vs 3176

Compare benchmarks

CPU 1: Intel Xeon E5-2637 v2
CPU 2: Intel Xeon E3-1245 v3

PassMark - Single thread mark

CPU 1

CPU 2

1923

2148

PassMark - CPU mark

CPU 1

CPU 2

12075

7027

Geekbench 4 - Single Core

CPU 1

CPU 2

748

878

Geekbench 4 - Multi-Core

CPU 1

CPU 2

3176

3283

Name	Intel Xeon E5-2637 v2	Intel Xeon E3-1245 v3
PassMark - Single thread mark	1923	2148
PassMark - CPU mark	12075	7027
Geekbench 4 - Single Core	748	878
Geekbench 4 - Multi-Core	3176	3283
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		15.571
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		111.82
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.882
GFXBench 4.0 - Car Chase Offscreen (Frames)		561
GFXBench 4.0 - Manhattan (Frames)		2870
GFXBench 4.0 - T-Rex (Frames)		645
GFXBench 4.0 - Car Chase Offscreen (Fps)		561
GFXBench 4.0 - Manhattan (Fps)		2870
GFXBench 4.0 - T-Rex (Fps)		645

Compare specifications (specs)

	Intel Xeon E5-2637 v2	Intel Xeon E3-1245 v3
Essentials
Architecture codename	Ivy Bridge EP	Haswell
Launch date	September 2013	June 2013
Launch price (MSRP)	$1,090	$320
Place in performance rating	1598	1601
Price now	$709	$339.95
Processor Number	E5-2637V2	E3-1245 v3
Series	Intel® Xeon® Processor E5 v2 Family	Intel® Xeon® Processor E3 v3 Family
Status	Launched	Discontinued
Value for money (0-100)	3.91	8.30
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	3.50 GHz	3.40 GHz
Bus Speed	8 GT/s QPI	5 GT/s DMI
Die size	160 mm	160 mm
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	10240 KB (shared)	8192 KB (shared)
Manufacturing process technology	22 nm	22 nm
Maximum core temperature	76°C
Maximum frequency	3.80 GHz	3.80 GHz
Number of cores	4	4
Number of QPI Links	2	0
Number of threads	8	8
Transistor count	1400 million	1400 million
VID voltage range	0.65–1.30V
Memory
ECC memory support
Max memory channels	4	2
Maximum memory bandwidth	59.7 GB/s	25.6 GB/s
Maximum memory size	768 GB	32 GB
Supported memory types	DDR3 800/1066/1333/1600/1866	DDR3 and DDR3L 1333/1600 at 1.5V
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	1
Package Size	52.5mm x 45mm	37.5mm x 37.5mm
Sockets supported	FCLGA2011	FCLGA1150
Thermal Design Power (TDP)	130 Watt	84 Watt
Thermal Solution		PCG 2013D
Peripherals
Max number of PCIe lanes	40	16
PCI Express revision	3.0	3.0
PCIe configurations	x4, x8, x16	1x16, 2x8, 1x8/2x4
Scalability	2S Only	1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Anti-Theft technology
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® AVX	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE)	46-bit
Thermal Monitoring
Flexible Display interface (FDI)
Intel® Fast Memory Access
Intel® Stable Image Platform Program (SIPP)
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
Graphics
Graphics base frequency		350 MHz
Graphics max dynamic frequency		1.20 GHz
Graphics max frequency		1.2 GHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics		Intel HD Graphics P4600
Graphics interfaces
Number of displays supported		3