Intel Xeon E5-2640 v3 vs Intel Core Ultra 7 155U

Compare Intel Xeon E5 v3 Family 8 core CPU vs Intel Core Ultra (Series 1) 12 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Benchmark Score

Overall Score

A combined score of all workloads

5079 points
5% slightly better overall score
4819 points

Gaming Score

The raw gaming performance with a fast GPU

5205 points
7087 points
36% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

5069 points
21% slightly better multitasking score
4161 points

Heavy Workload Score

Performance in workloads using up to 16 cores

5131 points
27% slightly better heavy workload score
4014 points

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Want to compare your processor against the Xeon E5-2640 v3 and the Core Ultra 7 155U? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

113.01 points
19% slightly higher Blender score
94.95 points

Specifications

Cores

Number of physical processing units

8
12
49% significantly more cores

Threads

Number of logical processing units

16
14% slightly more threads
14

Clock Speed

Base frequency at which the chip operates

2.6 GHz
23% slightly higher clock speed
2.1 GHz

Turbo Speed

Higher frequency used for heavy workloads

3.4 GHz
4.8 GHz
41% slightly higher turbo speed

PCIe Lanes

Number of physical connections between the CPU and expansion slots

40
100% significantly more pcie lanes
20

Memory Channels

Lanes for simultaneous memory access

4
100% significantly more memory channels
2

Supported Memory

Maximum amount of RAM supported by this CPU

768 GiB
700% significantly more supported memory
96 GiB

Other details

Rank

Ranking in the hardwareDB database

341st of 1,089
364th of 1,089

Family

The product line

Xeon E5 v3 Family
Core Ultra (Series 1)

Release date

The official date of release of this chip

2014 August
2023 November

Memory Type

The type of memory used by this chip

DDR4-1600
DDR5-7467

Supports ECC memory

Does this CPU support error correcting memory

Yes
No

Xeon E5-2640 v3 vs Core Ultra 7 155U comparison

In our benchmarks, the Xeon E5-2640 v3 beats the Core Ultra 7 155U in overall performance. Despite this, the Core Ultra 7 155U has the advantage in our gaming benchmark.

In terms of the number of cores of each of these CPUs, the Core Ultra 7 155U has significantly more cores than the Xeon E5-2640 v3. Indeed, the Core Ultra 7 155U has 12 cores compared to 8 cores found in the Xeon E5-2640 v3. Despite this, the Xeon E5-2640 v3 has more threads than the Core Ultra 7 155U. These CPUs have different clock speeds. Indeed, the Xeon E5-2640 v3 has a slightly higher clock speed compared to the Core Ultra 7 155U. Despite this, the Core Ultra 7 155U has a slightly higher turbo speed.

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 v3 has more threads than cores. Each physical core is split into multiple threads.

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