Intel Xeon E5-2640 vs Intel Xeon E5-2643

Compare Intel Xeon E5 Family 6 core CPU vs Intel Xeon E5 Family 4 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Price

The cheapest price from our partner retailers

$ 65.00
$ 2092.00 significantly less expensive
$ 2157.00

Benchmark Score

Overall Score

A combined score of all workloads

2849 points
2971 points
4% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

3820 points
4108 points
7% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

2537 points
2620 points
3% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

2462 points
2542 points
3% slightly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Xeon E5-2640 and the Xeon E5-2643? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

47.31 points
15% slightly higher Blender score
40.83 points
Geekbench 5 (multi) score

Geekbench 5 (multi) score

Multi threaded benchmark

3360 points
16% slightly higher Geekbench 5 (multi) score
2888 points
Geekbench 5 (single) score

Geekbench 5 (single) score

Single threaded benchmark

558 points
646 points
15% slightly higher Geekbench 5 (single) score
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

2265 points
8% slightly higher Geekbench 6 (multi) score
2094 points
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

450 points
566 points
25% slightly higher Geekbench 6 (single) score

Specifications

Cores

Number of physical processing units

6
49% significantly more cores
4

Threads

Number of logical processing units

12
49% significantly more threads
8

Clock Speed

Base frequency at which the chip operates

2.50 GHz
3.3 GHz
31% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

3 GHz
3.5 GHz
16% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

95 W
36% slightly lower TDP
130 W

PCIe Lanes

Number of physical connections between the CPU and expansion slots

40
Identical
40

Memory Channels

Lanes for simultaneous memory access

4
Identical
4

Supported Memory

Maximum amount of RAM supported by this CPU

384 GiB
Identical
384 GiB

Other details

Rank

Ranking in the hardwareDB database

560th of 1,089
542nd of 1,089

Family

The product line

Xeon E5 Family
Xeon E5 Family

Release date

The official date of release of this chip

2012 February
2012 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

Xeon E5-2640 vs Xeon E5-2643 comparison

According to the hardwareDB Benchmark tool, the Xeon E5-2643 is faster than the Xeon E5-2640. Furthermore, our gaming benchmark shows that it also outperforms the Xeon E5-2640 in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Xeon E5-2640 has significantly more cores than the Xeon E5-2643. Indeed, the Xeon E5-2640 has 6 cores compared to 4 cores found in the Xeon E5-2643. It also has more threads than the Xeon E5-2643. These CPUs have different clock speeds. Indeed, the Xeon E5-2643 has a slightly higher clock speed compared to the Xeon E5-2640. Also, the Xeon E5-2643 has a slightly higher turbo speed. A Xeon E5-2640 CPU outputs less heat than a Xeon E5-2643 CPU because of its slightly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption.

Modern CPUs generally have more logical cores than physical cores, this means that each core is split into multiple virtual cores, improving efficiency for parallel workloads. Indeed, the Xeon E5-2640 has more threads than cores. Each physical core is split into multiple threads.

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