Intel Core i5-10400H vs Intel Xeon E5-2603 v3

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CPU comparison with benchmarks


Intel Core i5-10400H CPU1 vs CPU2 Intel Xeon E5-2603 v3
Intel Core i5-10400H Intel Xeon E5-2603 v3

CPU comparison

Intel Core i5-10400H or Intel Xeon E5-2603 v3 - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The Intel Core i5-10400H has 4 cores with 8 threads and clocks with a maximum frequency of 4.60 GHz. Up to 128 GB of memory is supported in 2 memory channels. The Intel Core i5-10400H was released in Q2/2020.

The Intel Xeon E5-2603 v3 has 6 cores with 6 threads and clocks with a maximum frequency of 1.60 GHz. The CPU supports up to 768 GB of memory in 4 memory channels. The Intel Xeon E5-2603 v3 was released in Q3/2014.
Intel Core i5 (331) Family Intel Xeon E5 (71)
Intel Core i 10000H (11) CPU group Intel Xeon E5 v3 (32)
10 Generation 5
Comet Lake H Architecture Haswell E
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor Intel Xeon E5-2603 v4

CPU Cores and Base Frequency

The Intel Core i5-10400H has 4 CPU cores and can calculate 8 threads in parallel. The clock frequency of the Intel Core i5-10400H is 2.60 GHz (4.60 GHz) while the Intel Xeon E5-2603 v3 has 6 CPU cores and 6 threads can calculate simultaneously. The clock frequency of the Intel Xeon E5-2603 v3 is at 1.60 GHz.

Intel Core i5-10400H Characteristic Intel Xeon E5-2603 v3
4 Cores 6
8 Threads 6
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
2.60 GHz Frequency 1.60 GHz
4.60 GHz Turbo Frequency (1 Core) --
3.80 GHz Turbo Frequency (All Cores) --

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 Core i5-10400H Characteristic Intel Xeon E5-2603 v3
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Core i5-10400H or Intel Xeon E5-2603 v3 has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

Intel UHD Graphics 630 GPU no iGPU
0.35 GHz GPU frequency --
1.10 GHz GPU (Turbo) --
9.5 GPU Generation --
14 nm Technology
3 Max. displays
24 Compute units --
192 Shader --
No Hardware Raytracing No
No Frame Generation No
64 GB Max. GPU Memory --
12 DirectX Version --

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.

Intel UHD Graphics 630 GPU no iGPU
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode / Encode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
Decode / Encode Codec VP9 No
Decode / Encode Codec VP8 No
No Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

The Intel Core i5-10400H can use up to 128 GB of memory in 2 memory channels. The maximum memory bandwidth is 46.9 GB/s. The Intel Xeon E5-2603 v3 supports up to 768 GB of memory in 4 memory channels and achieves a memory bandwidth of up to 68.2 GB/s.

Intel Core i5-10400H Characteristic Intel Xeon E5-2603 v3
DDR4-2933 Memory DDR4-2133
128 GB Max. Memory 768 GB
2 (Dual Channel) Memory channels 4 (Quad Channel)
46.9 GB/s Max. Bandwidth 68.2 GB/s
No ECC Yes
-- L2 Cache --
8.00 MB L3 Cache 15.00 MB
3.0 PCIe version 3.0
16 PCIe lanes 40
15.8 GB/s PCIe Bandwidth 39.4 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Core i5-10400H is 45 W, while the Intel Xeon E5-2603 v3 has a TDP of 85 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Core i5-10400H Characteristic Intel Xeon E5-2603 v3
45 W TDP (PL1 / PBP) 85 W
-- TDP (PL2) --
-- TDP up --
35 W TDP down --
100 °C Tjunction max. --

Technical details

The Intel Core i5-10400H is manufactured in 14 nm and has 8.00 MB cache. The Intel Xeon E5-2603 v3 is manufactured in 22 nm and has a 15.00 MB cache.

Intel Core i5-10400H Characteristic Intel Xeon E5-2603 v3
14 nm Technology 22 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2
BGA 1440 Socket LGA 2011-3
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Linux
Q2/2020 Release date Q3/2014
250 $ Release price --
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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Core i5-10400H (100%)
Intel Xeon E5-2603 v3 (36%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Core i5-10400H (100%)
Intel Xeon E5-2603 v3 (46%)

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 Core i5-10400H Intel Core i5-10400H
4C 8T @ 4.60 GHz
1219 (100%)
Intel Xeon E5-2603 v3 Intel Xeon E5-2603 v3
6C 6T @ 1.60 GHz
434 (36%)

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 Core i5-10400H Intel Core i5-10400H
4C 8T @ 3.80 GHz
4744 (100%)
Intel Xeon E5-2603 v3 Intel Xeon E5-2603 v3
6C 6T @ 1.60 GHz
2268 (48%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Core i5-10400H Intel Core i5-10400H
4C 8T @ 3.80 GHz
8775 (100%)
Intel Xeon E5-2603 v3 Intel Xeon E5-2603 v3
6C 6T @ 1.60 GHz
3781 (43%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Core i5-10400H Intel Core i5-10400H
4C 8T @ 4.60 GHz
1490 (100%)
Intel Xeon E5-2603 v3 Intel Xeon E5-2603 v3
6C 6T @ 1.60 GHz
0 (0%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Core i5-10400H Intel Core i5-10400H
4C 8T @ 3.80 GHz
4723 (100%)
Intel Xeon E5-2603 v3 Intel Xeon E5-2603 v3
6C 6T @ 1.60 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 Core i5-10400H Intel Core i5-10400H
Intel UHD Graphics 630 @ 1.10 GHz
422 (100%)
Intel Xeon E5-2603 v3 Intel Xeon E5-2603 v3
@ 0.00 GHz
0 (0%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 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 Core i5-10400H Intel Core i5-10400H
4C 8T @ 4.60 GHz
0 (0%)
Intel Xeon E5-2603 v3 Intel Xeon E5-2603 v3
6C 6T @ 1.60 GHz
62 (100%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i5-10400H Intel Core i5-10400H
4C 8T @ 3.80 GHz
0 (0%)
Intel Xeon E5-2603 v3 Intel Xeon E5-2603 v3
6C 6T @ 1.60 GHz
511 (100%)

Devices using this processor

Intel Core i5-10400H Intel Xeon E5-2603 v3
Unknown Unknown

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