Intel Xeon E3-1275 v3 vs Intel Core Ultra 7 255H

Compare Intel Xeon E3 v3 Family 4 core CPU vs Intel Core Ultra (Series 2) 16 core processor, specs and benchmark score. Which is the better CPU for gaming?

CPU Comparison

Quickly search and compare processors

Benchmark Score

Overall Score

A combined score of all workloads

2761 points
7661 points
177% significantly better overall score

Gaming Score

The raw gaming performance with a fast GPU

4471 points
9595 points
114% significantly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

2260 points
7028 points
210% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

2171 points
6834 points
214% significantly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Xeon E3-1275 v3 and the Core Ultra 7 255H? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

55.25 points
212.94 points
285% significantly higher Blender score
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

3863 points
13475 points
248% significantly higher Geekbench 6 (multi) score
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

1180 points
2524 points
113% significantly higher Geekbench 6 (single) score

Specifications

Cores

Number of physical processing units

4
16
300% significantly more cores

Threads

Number of logical processing units

8
16
100% significantly more threads

Clock Speed

Base frequency at which the chip operates

3.5 GHz
75% significantly higher clock speed
2 GHz

Turbo Speed

Higher frequency used for heavy workloads

3.9 GHz
5.1 GHz
30% slightly higher turbo speed

PCIe Lanes

Number of physical connections between the CPU and expansion slots

16
28
75% significantly more pcie lanes

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

Supported Memory

Maximum amount of RAM supported by this CPU

32 GiB
128 GiB
300% significantly more supported memory

Other details

Rank

Ranking in the hardwareDB database

584th of 1,099
164th of 1,099

Family

The product line

Xeon E3 v3 Family
Core Ultra (Series 2)

Release date

The official date of release of this chip

2013 May
2025 February

Memory Type

The type of memory used by this chip

DDR3-1333
DDR5-8400

Supports ECC memory

Does this CPU support error correcting memory

Yes
No

Xeon E3-1275 v3 vs Core Ultra 7 255H specs and performance

Our benchmark analysis concludes that the Core Ultra 7 255H performs better than the Xeon E3-1275 v3. Despite this, the Xeon E3-1275 v3 has the advantage in our gaming benchmark.

When comparing core counts for these CPUs, we notice that the Core Ultra 7 255H has significantly more cores with 16 cores compared to the Xeon E3-1275 v3 that has 4 cores. It also has more threads than the Xeon E3-1275 v3. Our comparison shows that the Xeon E3-1275 v3 has a significantly higher clock speed compared to the Core Ultra 7 255H. Despite this, the Core Ultra 7 255H has a slightly higher turbo speed.

Most CPUs have more threads than cores. This technology, colloquially called hyperthreading, improves performance by splitting a core into multiple virtual ones. This provides more efficient utilisation of a core. Indeed, the Xeon E3-1275 v3 has more threads than cores. Each physical core is split into multiple threads.

Comments

No comments yet! Be the first to leave a comment using the form below.

Keep comments on topic and be polite. Comments are subject to moderation before they are published.

Popular CPU Comparisons