Intel Xeon E5-2640 v4 vs Intel Xeon E3-1275

Comparative analysis of Intel Xeon E5-2640 v4 and Intel Xeon E3-1275 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.

Intel Xeon E5-2640 v4

Intel Xeon E3-1275

Differences

Reasons to consider the Intel Xeon E5-2640 v4

6 more cores, run more applications at once: 10 vs 4
12 more threads: 20 vs 8
Around 5% higher maximum core temperature: 76°C vs 72.6°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 32 nm
48x more maximum memory size: 1.5 TB vs 32 GB
Around 6% lower typical power consumption: 90 Watt vs 95 Watt
Around 5% better performance in PassMark - Single thread mark: 1866 vs 1773
3.8x better performance in PassMark - CPU mark: 21176 vs 5516

Specifications (specs)
Number of cores	10 vs 4
Number of threads	20 vs 8
Maximum core temperature	76°C vs 72.6°C
Manufacturing process technology	14 nm vs 32 nm
Maximum memory size	1.5 TB vs 32 GB
Max number of CPUs in a configuration	2 vs 1
Thermal Design Power (TDP)	90 Watt vs 95 Watt
Benchmarks
PassMark - Single thread mark	1866 vs 1773
PassMark - CPU mark	21176 vs 5516

Reasons to consider the Intel Xeon E3-1275

Around 12% higher clock speed: 3.80 GHz vs 3.40 GHz

Maximum frequency	3.80 GHz vs 3.40 GHz

Compare benchmarks

CPU 1: Intel Xeon E5-2640 v4
CPU 2: Intel Xeon E3-1275

PassMark - Single thread mark

CPU 1

CPU 2

1866

1773

PassMark - CPU mark

CPU 1

CPU 2

21176

5516

Name	Intel Xeon E5-2640 v4	Intel Xeon E3-1275
PassMark - Single thread mark	1866	1773
PassMark - CPU mark	21176	5516
Geekbench 4 - Single Core	695
Geekbench 4 - Multi-Core	5464

Compare specifications (specs)

	Intel Xeon E5-2640 v4	Intel Xeon E3-1275
Essentials
Architecture codename	Broadwell	Sandy Bridge
Launch date	Q1'16	April 2011
Place in performance rating	1416	1412
Processor Number	E5-2640V4	E3-1275
Series	Intel® Xeon® Processor E5 v4 Family	Intel® Xeon® Processor E3 Family
Status	Launched	Discontinued
Vertical segment	Server	Server
Launch price (MSRP)		$450
Price now		$304
Value for money (0-100)		8.09
Performance
64 bit support
Base frequency	2.40 GHz	3.40 GHz
Bus Speed	8 GT/s QPI	5 GT/s DMI
Manufacturing process technology	14 nm	32 nm
Maximum core temperature	76°C	72.6°C
Maximum frequency	3.40 GHz	3.80 GHz
Number of cores	10	4
Number of QPI Links	2
Number of threads	20	8
VID voltage range	0
Die size		216 mm
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
L3 cache		8192 KB (shared)
Transistor count		1160 million
Memory
Max memory channels	4	2
Maximum memory bandwidth	68.3 GB/s	21 GB/s
Maximum memory size	1.5 TB	32 GB
Supported memory types	DDR4 1600/1866/2133	DDR3 1066/1333
ECC memory support
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	1
Package Size	45mm x 52.5mm	37.5mm x 37.5mm
Sockets supported	FCLGA2011-3	LGA1155
Thermal Design Power (TDP)	90 Watt	95 Watt
Peripherals
Max number of PCIe lanes	40	20
PCI Express revision	3.0	2.0
PCIe configurations	x4, x8, x16
Scalability	2S
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX
Intel 64
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® Advanced Vector Extensions (AVX)
Intel® Fast Memory Access
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		850 MHz
Graphics max dynamic frequency		1.35 GHz
Graphics max frequency		1.35 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 P3000
Graphics interfaces
Number of displays supported		2
Wireless Display (WiDi) support