CPUBoss Review Our evaluation of E5420 vs E5335 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

Intel Xeon E5420

CPUBoss Winner
Front view of Intel Xeon E5420

Differences What are the advantages of each

Front view of Intel Xeon E5420

Reasons to consider the
Intel Xeon E5420

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Much higher clock speed 2.5 GHz vs 2 GHz 25% higher clock speed
Newer Nov, 2007 vs Jan, 2007 Release date 10 months later
Much better overclocked clock speed (Air) 3.19 GHz vs 2.23 GHz Around 45% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 3.94 GHz vs 2 GHz More than 95% better overclocked clock speed (Water)
Front view of Intel Xeon E5335

Reasons to consider the
Intel Xeon E5335

Report a correction

CPUBoss is not aware of any important advantages of the E5335 vs the E5420.

Benchmarks Real world tests of Xeon E5420 vs E5335

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5420
5,821
Xeon E5335
3,838

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon E5420
1,317
Xeon E5335
1,099

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5420
106,200 MB/s
Xeon E5335
85,100 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon E5420
4,529
Xeon E5335
3,585

GeekBench

Xeon E5420
6,104
Xeon E5335
3,585

PassMark Data courtesy Passmark

Xeon E5420
3,534
Xeon E5335
2,513

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E5420  vs
E5335 
Clock speed 2.5 GHz 2 GHz
Cores Quad core Quad core
Socket type
LGA 771

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
SSE4.1
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 80W 80W
Annual home energy cost 19.27 $/year 19.27 $/year
Annual commercial energy cost 70.08 $/year 70.08 $/year
Performance per watt 1.78 pt/W 1.32 pt/W
Typical power consumption 65W 65W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 1,333 MHz 1,333 MHz

details

Xeon E5420  vs
E5335 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 12 MB 8 MB
L2 cache per core 3 MB/core 2 MB/core
Manufacture process 45 nm 65 nm
Transistor count 820,000,000 582,000,000
Max CPUs 2 2
Clock multiplier 7 6
Voltage range 0.85 - 1.35V 1 - 1.5V
Operating temperature Unknown - 67°C Unknown - 66°C

overclocking

Overclocked clock speed 3.19 GHz 2.23 GHz
Overclocked clock speed (Water) 3.94 GHz 2 GHz
Overclocked clock speed (Air) 3.19 GHz 2.23 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
Intel Xeon E5420
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Intel Xeon E5335
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