CPUBoss Review Our evaluation of 2650 v2 vs 1650 v2 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 v2

Reasons to consider the
Intel Xeon E5 2650 v2

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Much more l3 cache 20 MB vs 12 MB More than 65% more l3 cache; more data can be stored in the l3 cache for quick access later
Supports more RAM 786,432 MB vs 262,144 MB Supports 3x more RAM
More l2 cache 2 MB vs 1.5 MB Around 35% more l2 cache; more data can be stored in the l2 cache for quick access later
More threads 16 vs 12 4 more threads
Significantly lower typical power consumption 77.19W vs 105.63W More than 25% lower typical power consumption
More l3 cache per core 2.5 MB/core vs 2 MB/core 25% more l3 cache per core
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Significantly lower annual commercial energy cost 83.22 $/year vs 113.88 $/year More than 25% lower annual commercial energy cost
Significantly lower annual home energy cost 22.89 $/year vs 31.32 $/year More than 25% lower annual home energy cost
Front view of Intel Xeon E5 1650 v2

Reasons to consider the
Intel Xeon E5 1650 v2

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Much higher clock speed 3.5 GHz vs 2.6 GHz Around 35% higher clock speed
Significantly higher turbo clock speed 3.9 GHz vs 3.4 GHz Around 15% higher turbo clock speed
Much better performance per dollar 3.02 pt/$ vs 0.73 pt/$ Around 4.2x better performance per dollar
Much better overclocked clock speed (Air) 4.21 GHz vs 2.93 GHz Around 45% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.45 GHz vs 3.41 GHz More than 30% better overclocked clock speed (Water)

Benchmarks Real world tests of Xeon E5 2650 v2 vs 1650 v2

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 v2
1,800,000 MB/s
Xeon E5 1650 v2
2,660,000 MB/s

Specifications Full list of technical specs

summary

Xeon E5 2650 v2  vs
1650 v2 
Clock speed 2.6 GHz 3.5 GHz
Turbo clock speed 3.4 GHz 3.9 GHz
Cores Octa core Hexa core
Socket type
LGA 2011
Is unlocked No No

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
F16C
MMX
SSE4
AVX
SSE3
EM64T
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 130W
Annual home energy cost 22.89 $/year 31.32 $/year
Annual commercial energy cost 83.22 $/year 113.88 $/year
Performance per watt 8.85 pt/W 13.53 pt/W
Typical power consumption 77.19W 105.63W

bus

Architecture QPI QPI
Number of links 2 0
Transfer rate 8,000 MT/s 0 MT/s

details

Xeon E5 2650 v2  vs
1650 v2 
Architecture x86-64 x86-64
Threads 16 12
L2 cache 2 MB 1.5 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 20 MB 12 MB
L3 cache per core 2.5 MB/core 2 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 2 1
Clock multiplier 26 35
Operating temperature Unknown - 75°C Unknown - 70°C

overclocking

Overclocked clock speed 2.93 GHz 4.21 GHz
Overclocked clock speed (Water) 3.41 GHz 4.45 GHz
Overclocked clock speed (Air) 2.93 GHz 4.21 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
DDR3-1866
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
Channels Quad Channel Quad Channel
Supports ECC Yes Yes
Maximum bandwidth 59,733.32 MB/s 59,733.32 MB/s
Maximum memory size 786,432 MB 262,144 MB
Intel Xeon E5 2650 v2
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Intel Xeon E5 1650 v2
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