CPUBoss Review Our evaluation of E5-2650 v3 vs E5-2640 v3 among all CPUs

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

No winner declared

Too close to call

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VS

Differences What are the advantages of each

Front view of Intel Xeon E5-2650 v3

Reasons to consider the
Intel Xeon E5-2650 v3

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Much more l3 cache 25 MB vs 20 MB 25% more l3 cache; more data can be stored in the l3 cache for quick access later
More threads 20 vs 16 4 more threads
Front view of Intel Xeon E5-2640 v3

Reasons to consider the
Intel Xeon E5-2640 v3

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Much higher clock speed 2.6 GHz vs 2.3 GHz Around 15% higher clock speed
Significantly higher turbo clock speed 3.4 GHz vs 3 GHz Around 15% higher turbo clock speed
Much better performance per dollar 2.22 pt/$ vs 0.69 pt/$ Around 3.2x better performance per dollar
Lower typical power consumption 73.13W vs 85.31W Around 15% lower typical power consumption
Better overclocked clock speed (Air) 2.6 GHz vs 2.44 GHz More than 5% better overclocked clock speed (Air)
Significantly better overclocked clock speed (Water) 2.6 GHz vs 2.3 GHz Around 15% better overclocked clock speed (Water)
Lower annual commercial energy cost 78.84 $/year vs 91.98 $/year Around 15% lower annual commercial energy cost
Lower annual home energy cost 21.68 $/year vs 25.29 $/year Around 15% lower annual home energy cost

Benchmarks Real world tests of Xeon E5-2650 v3 vs E5-2640 v3

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5-2650 v3
1,565,000 MB/s
Xeon E5-2640 v3
3,450,000 MB/s

Specifications Full list of technical specs

summary

Xeon E5-2650 v3  vs
E5-2640 v3 
Clock speed 2.3 GHz 2.6 GHz
Turbo clock speed 3 GHz 3.4 GHz
Cores Deca core Octa core

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
AES
AVX
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 105W 90W
Annual home energy cost 25.29 $/year 21.68 $/year
Annual commercial energy cost 91.98 $/year 78.84 $/year
Performance per watt 7.93 pt/W 24.65 pt/W
Typical power consumption 85.31W 73.13W

bus

Architecture QPI QPI
Number of links 2 2
Data rate 76,800 MB/s 64,000 MB/s
Transfer rate 9,600 MT/s 8,000 MT/s
Clock speed 4,800 MHz 4,000 MHz

details

Xeon E5-2650 v3  vs
E5-2640 v3 
Architecture x86-64 x86-64
Threads 20 16
L3 cache 25 MB 20 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 2 2
Operating temperature Unknown - 78.9°C Unknown - 74.3°C

overclocking

Overclocked clock speed 2.44 GHz 2.6 GHz
Overclocked clock speed (Water) 2.3 GHz 2.6 GHz
Overclocked clock speed (Air) 2.44 GHz 2.6 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A

memory controller

Memory controller Built-in Built-in
Memory type
DDR
Channels Quad Channel Quad Channel
Supports ECC Yes Yes
Maximum bandwidth 6,400 MB/s 6,400 MB/s
Maximum memory size 786,432 MB 786,432 MB
Intel Xeon E5-2650 v3
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Intel Xeon E5-2640 v3
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