Intel Xeon Platinum 8276 vs Intel Core i7-1255UL

Last updated:

CPU comparison with benchmarks


Intel Xeon Platinum 8276 CPU1 vs CPU2 Intel Core i7-1255UL
Intel Xeon Platinum 8276 Intel Core i7-1255UL

CPU comparison

In this CPU comparison, we compare the Intel Xeon Platinum 8276 and the Intel Core i7-1255UL and use benchmarks to check which processor is faster.

We compare the Intel Xeon Platinum 8276 28 core processor released in Q2/2019 with the Intel Core i7-1255UL which has 10 CPU cores and was introduced in Q3/2022.
Intel Xeon Platinum (89) Family Intel Core i7 (298)
Intel Xeon Platinum 8200/9200 (21) CPU group Intel Core i 1200P/1200U (21)
2 Generation 12
Cascade Lake Architecture Alder Lake U
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Xeon Platinum 8276 is a 28 core processor with a clock frequency of 2.20 GHz (4.00 GHz). The processor can compute 56 threads at the same time. The Intel Core i7-1255UL clocks with 2.60 GHz (4.70 GHz), has 10 CPU cores and can calculate 12 threads in parallel.

Intel Xeon Platinum 8276 Characteristic Intel Core i7-1255UL
28 Cores 10
56 Threads 12
normal Core architecture hybrid (big.LITTLE)
Yes Hyperthreading Yes
No Overclocking ? No
2.20 GHz (4.00 GHz) A-Core 2.60 GHz (4.70 GHz)
2x Golden Cove
-- B-Core 1.20 GHz (3.50 GHz)
8x Gracemont

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Intel Xeon Platinum 8276 Characteristic Intel Core i7-1255UL
-- AI hardware --
-- AI specifications --

Internal Graphics

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

no iGPU GPU Intel Iris Xe Graphics 96 (Alder Lake)
GPU frequency 0.35 GHz
-- GPU (Turbo) 1.25 GHz
-- GPU Generation 13
Technology 10 nm
Max. displays 4
-- Compute units 96
-- Shader 768
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 32 GB
-- DirectX Version 12.1

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

no iGPU GPU Intel Iris Xe Graphics 96 (Alder Lake)
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
No Codec h264 Decode / Encode
No Codec VP9 Decode / Encode
No Codec VP8 Decode
No Codec AV1 Decode
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

Up to 1024 GB of memory in a maximum of 6 memory channels is supported by the Intel Xeon Platinum 8276, while the Intel Core i7-1255UL supports a maximum of 64 GB of memory with a maximum memory bandwidth of 76.8 GB/s enabled.

Intel Xeon Platinum 8276 Characteristic Intel Core i7-1255UL
DDR4-2933 Memory DDR5-4800, DDR4-3200
1024 GB Max. Memory 64 GB
6 (Hexa Channel) Memory channels 2 (Dual Channel)
140.7 GB/s Max. Bandwidth 76.8 GB/s
Yes ECC No
-- L2 Cache 6.50 MB
38.50 MB L3 Cache 12.00 MB
3.0 PCIe version 4.0
48 PCIe lanes 28
47.3 GB/s PCIe Bandwidth 55.1 GB/s

Thermal Management

The Intel Xeon Platinum 8276 has a TDP of 165 W. The TDP of the Intel Core i7-1255UL is 15 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Xeon Platinum 8276 Characteristic Intel Core i7-1255UL
165 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) 55 W
-- TDP up 28 W
-- TDP down 12 W
-- Tjunction max. 100 °C

Technical details

The Intel Xeon Platinum 8276 has 38.50 MB cache and is manufactured in 14 nm. The cache of Intel Core i7-1255UL is at 18.50 MB. The processor is manufactured in 10 nm.

Intel Xeon Platinum 8276 Characteristic Intel Core i7-1255UL
14 nm Technology 10 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2, AVX-512 ISA extensions SSE4.1, SSE4.2, AVX2
LGA 3647 Socket BGA 1744
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Windows 11, Linux
Q2/2019 Release date Q3/2022
8719 $ Release price --
show more data show more data


Rate these processors

Here you can rate the Intel Xeon Platinum 8276 to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:
Here you can rate the Intel Core i7-1255UL to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:


Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Xeon Platinum 8276 Intel Xeon Platinum 8276
28C 56T @ 4.00 GHz
1152 (100%)
Intel Core i7-1255UL Intel Core i7-1255UL
10C 12T @ 4.70 GHz
0 (0%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Xeon Platinum 8276 Intel Xeon Platinum 8276
28C 56T @ 2.20 GHz
20489 (100%)
Intel Core i7-1255UL Intel Core i7-1255UL
10C 12T @ 3.30 GHz
0 (0%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Xeon Platinum 8276 Intel Xeon Platinum 8276
28C 56T @ 4.00 GHz
378 (100%)
Intel Core i7-1255UL Intel Core i7-1255UL
10C 12T @ 4.70 GHz
0 (0%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Intel Xeon Platinum 8276 Intel Xeon Platinum 8276
@ 0.00 GHz
0 (0%)
Intel Core i7-1255UL Intel Core i7-1255UL
Intel Iris Xe Graphics 96 (Alder Lake) @ 1.25 GHz
1916 (100%)

Devices using this processor

Intel Xeon Platinum 8276 Intel Core i7-1255UL
Unknown Unknown

Popular comparisons containing this CPUs

1. AMD Ryzen Threadripper 3990XIntel Xeon Platinum 8276 AMD Ryzen Threadripper 3990X vs Intel Xeon Platinum 8276
2. AMD EPYC 7452Intel Xeon Platinum 8276 AMD EPYC 7452 vs Intel Xeon Platinum 8276
3. Intel Xeon Platinum 8280Intel Xeon Platinum 8276 Intel Xeon Platinum 8280 vs Intel Xeon Platinum 8276
4. Intel Xeon Platinum 8276LIntel Xeon Platinum 8276 Intel Xeon Platinum 8276L vs Intel Xeon Platinum 8276
5. Intel Xeon Gold 6238RIntel Xeon Platinum 8276 Intel Xeon Gold 6238R vs Intel Xeon Platinum 8276
6. Intel Xeon Platinum 8276AMD EPYC 7742 Intel Xeon Platinum 8276 vs AMD EPYC 7742
7. Intel Xeon Platinum 8268Intel Xeon Platinum 8276 Intel Xeon Platinum 8268 vs Intel Xeon Platinum 8276
8. Intel Xeon Gold 6246RIntel Xeon Platinum 8276 Intel Xeon Gold 6246R vs Intel Xeon Platinum 8276
9. Intel Xeon Gold 6258RIntel Xeon Platinum 8276 Intel Xeon Gold 6258R vs Intel Xeon Platinum 8276
10. Intel Xeon Platinum 8276AMD Ryzen Threadripper 3970X Intel Xeon Platinum 8276 vs AMD Ryzen Threadripper 3970X


back to index