CPUBoss Review Our evaluation of E5-2670 vs E5-2603 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

5.5

CPUBoss Score

Combination of all six facets

Winner
Intel Xeon E5-2670 

CPUBoss recommends the Intel Xeon E5-2670  based on its performance and single-core performance.

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VS

Differences What are the advantages of each

Front view of Intel Xeon E5-2670

Reasons to consider the
Intel Xeon E5-2670

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Much higher clock speed 2.6 GHz vs 1.8 GHz Around 45% higher clock speed
Much more l3 cache 20 MB vs 10 MB 2x more l3 cache; more data can be stored in the l3 cache for quick access later
Much more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much better PassMark score 12,270 vs 3,518 Around 3.5x better PassMark score
Much better PassMark (Single core) score 1,590 vs 937 Around 70% better PassMark (Single core) score
More threads 16 vs 4 12 more threads
More cores 8 vs 4 Twice as many cores; run more applications at once
Much better performance per watt 7.31 pt/W vs 1.47 pt/W Around 5x better performance per watt
Much better overclocked clock speed (Air) 3.13 GHz vs 1.91 GHz Around 65% better overclocked clock speed (Air)
Much higher Maximum operating temperature 80 °C vs 70 °C Around 15% higher Maximum operating temperature
Much better overclocked clock speed (Water) 3.08 GHz vs 1.84 GHz More than 65% better overclocked clock speed (Water)
Front view of Intel Xeon E5-2603

Reasons to consider the
Intel Xeon E5-2603

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Significantly lower typical power consumption 65W vs 93.44W More than 30% lower typical power consumption
Significantly lower annual commercial energy cost 70.08 $/year vs 100.74 $/year More than 30% lower annual commercial energy cost
Significantly lower annual home energy cost 19.27 $/year vs 27.7 $/year More than 30% lower annual home energy cost

Benchmarks Real world tests of Xeon E5-2670 vs E5-2603

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5-2670
14,255
Xeon E5-2603
7,765.5

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon E5-2670
2,209
Xeon E5-2603
1,465.5

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5-2670
1,740,000 MB/s
Xeon E5-2603
1,210 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon E5-2670
22,189
Xeon E5-2603
4,917

GeekBench

Xeon E5-2670
22,189
Xeon E5-2603
4,917

PassMark Data courtesy Passmark

Xeon E5-2670
12,270
Xeon E5-2603
3,518

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E5-2670  vs
E5-2603 
Clock speed 2.6 GHz 1.8 GHz
Cores Octa core Quad core
Socket type
LGA 2011

features

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

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

bus

Architecture QPI QPI
Number of links 2 2
Data rate 64,000 MB/s 51,200 MB/s
Transfer rate 8,000 MT/s 6,400 MT/s
Clock speed 4,000 MHz 3,200 MHz

details

Xeon E5-2670  vs
E5-2603 
Architecture x86-64 x86-64
Threads 16 4
L2 cache 2 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 20 MB 10 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 2 2
Clock multiplier 33 18
Voltage range 0.6 - 1.35V 0.6 - 1.35V
Operating temperature Unknown - 80°C Unknown - 70°C

overclocking

Overclock popularity 3 0
Overclocked clock speed 3.13 GHz 1.91 GHz
Overclocked clock speed (Water) 3.08 GHz 1.84 GHz
Overclocked clock speed (Air) 3.13 GHz 1.91 GHz

power consumption

TDP 115W 80W
Annual home energy cost 27.7 $/year 19.27 $/year
Annual commercial energy cost 100.74 $/year 70.08 $/year
Performance per watt 7.31 pt/W 1.47 pt/W
Typical power consumption 93.44W 65W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
Channels Quad Channel Quad Channel
Supports ECC Yes Yes
Maximum bandwidth 51,200 MB/s 34,133.32 MB/s
Maximum memory size 393,216 MB 393,216 MB
Intel Xeon E5-2670
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Intel Xeon E5-2603
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