CPUBoss Review Our evaluation of E5-2640 vs R-464L 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

8

CPUBoss Score

Combination of all six facets

Winner
Intel Xeon E5-2640 

CPUBoss recommends the Intel Xeon E5-2640  based on its performance and single-core performance.

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VS

Intel Xeon E5-2640

CPUBoss Winner
Front view of Intel Xeon E5-2640

Differences What are the advantages of each

Front view of Intel Xeon E5-2640

Reasons to consider the
Intel Xeon E5-2640

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Much better PassMark score 15,348 vs 2,976 Around 5.2x better PassMark score
Higher clock speed 2.5 GHz vs 2.3 GHz Around 10% higher clock speed
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
More threads 12 vs 4 Three times as many threads
Better geekbench 3 single core score 2,099 vs 1,456 Around 45% better geekbench 3 single core score
Significantly better performance per watt 7.66 pt/W vs 3.96 pt/W Around 95% better performance per watt
More cores 6 vs 4 2 more cores; run more applications at once
Better overclocked clock speed (Air) 2.9 GHz vs 2.3 GHz More than 25% better overclocked clock speed (Air)
Slightly better overclocked clock speed (Water) 2.5 GHz vs 2.3 GHz Around 10% better overclocked clock speed (Water)
Front view of AMD R R-464L

Reasons to consider the
AMD R R-464L

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Much more l2 cache 4 MB vs 2 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower typical power consumption 28.44W vs 77.19W 2.7x lower typical power consumption
Slightly higher turbo clock speed 3.2 GHz vs 3 GHz More than 5% higher turbo clock speed
Much more l2 cache per core 1 MB/core vs 0.33 MB/core More than 3x more l2 cache per core
Much higher Maximum operating temperature 100 °C vs 73 °C More than 35% higher Maximum operating temperature
Much lower annual home energy cost 8.43 $/year vs 22.89 $/year 2.7x lower annual home energy cost
Much lower annual commercial energy cost 30.66 $/year vs 83.22 $/year 2.7x lower annual commercial energy cost
Newer May, 2012 vs Mar, 2012 Release date 2 months later

Benchmarks Real world tests of Xeon E5-2640 vs R R-464L

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5-2640
9,664
R R-464L
4,210

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon E5-2640
2,099
R R-464L
1,456

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5-2640
1,400,000 MB/s
R R-464L
1,610 MB/s

PassMark Data courtesy Passmark

Xeon E5-2640
15,348
R R-464L
2,976

PassMark (Single Core)

Xeon E5-2640
1,854
R R-464L
1,015

Specifications Full list of technical specs

summary

Xeon E5-2640  vs
R R-464L 
Clock speed 2.5 GHz 2.3 GHz
Turbo clock speed 3 GHz 3.2 GHz
Cores Hexa core Quad core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
F16C
MMX
XOP
AVX
SSE3
SSE
BMI1
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
AMD-V
Supplemental SSE3
AES
TBM
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 35W
Annual home energy cost 22.89 $/year 8.43 $/year
Annual commercial energy cost 83.22 $/year 30.66 $/year
Performance per watt 7.66 pt/W 3.96 pt/W
Typical power consumption 77.19W 28.44W

details

Xeon E5-2640  vs
R R-464L 
Threads 12 4
L2 cache 2 MB 4 MB
L2 cache per core 0.33 MB/core 1 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 2 1
Clock multiplier 30 11
Voltage range 0.6 - 1.35V 0.81 - 1.3V
Operating temperature Unknown - 73°C Unknown - 100°C

overclocking

Overclocked clock speed 2.9 GHz 2.3 GHz
Overclocked clock speed (Water) 2.5 GHz 2.3 GHz
Overclocked clock speed (Air) 2.9 GHz 2.3 GHz

integrated graphics

GPU None GPU
Label N/A AMD Radeon HD 7660G
GPU clock speed N/A 497 MHz
Turbo clock speed N/A 686 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
Channels Quad Channel Dual Channel
Maximum bandwidth 42,666.64 MB/s 25,600 MB/s
Intel Xeon E5-2640
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AMD R R-464L
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