Intel Xeon E5-620 vs Intel Xeon E5-649

CPU Comparison

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Benchmark Score

Overall Score

A combined score of all workloads

1976 points
2% slightly better overall score
1937 points

Gaming Score

The raw gaming performance with a fast GPU

2711 points
3123 points
15% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

1746 points
11% slightly better multitasking score
1567 points

Heavy Workload Score

Performance in workloads using up to 16 cores

1694 points
12% slightly better heavy workload score
1504 points

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Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

25.76 points
55.00 points
113% significantly higher Blender score
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

1482 points
2109 points
42% slightly higher Geekbench 6 (multi) score
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

366 points
415 points
13% slightly higher Geekbench 6 (single) score

Specifications

Cores

Number of physical processing units

4
6
49% significantly more cores

Threads

Number of logical processing units

8
33% slightly more threads
6

Clock Speed

Base frequency at which the chip operates

2.53 GHz
2.53 GHz
0.24% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

2.66 GHz
2.93 GHz
10% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

80 W
Identical
80 W

Memory Channels

Lanes for simultaneous memory access

3
Identical
3

Supported Memory

Maximum amount of RAM supported by this CPU

288 GiB
Identical
288 GiB

L2 Cache

Secondary embedded memory, slower than L1 cache

0.25 MiB
1.5 MiB
499% significantly more L2 cache

L3 Cache

General memory pool for all cores

0.01 MiB
12 MiB
102300% significantly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

733rd of 1,102
738th of 1,102

Family

The product line

Xeon
Xeon

Release date

The official date of release of this chip

2010 February
2011 February

Memory Type

The type of memory used by this chip

DDR3-1066
DDR3-1066

Supports ECC memory

Does this CPU support error correcting memory

Yes
Yes

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