Intel Core i7-11800H vs AMD Athlon II X3 400e

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CPU comparison with benchmarks


Intel Core i7-11800H CPU1 vs CPU2 AMD Athlon II X3 400e
Intel Core i7-11800H AMD Athlon II X3 400e

CPU comparison

Intel Core i7-11800H or AMD Athlon II X3 400e - 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 i7-11800H has 8 cores with 16 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 i7-11800H was released in Q2/2021.

The AMD Athlon II X3 400e has 3 cores with 3 threads and clocks with a maximum frequency of 2.20 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The AMD Athlon II X3 400e was released in Q3/2009.
Intel Core i7 (293) Family AMD Athlon II (52)
Intel Core i 11000H (17) CPU group AMD Athlon II X3 (Rana) (12)
11 Generation 1
Tiger Lake H Architecture Rana
Mobile Segment Desktop / Server
-- Predecessor --
Intel Core i7-12800H Successor --

CPU Cores and Base Frequency

The Intel Core i7-11800H has 8 CPU cores and can calculate 16 threads in parallel. The clock frequency of the Intel Core i7-11800H is 2.30 GHz (4.60 GHz) while the AMD Athlon II X3 400e has 3 CPU cores and 3 threads can calculate simultaneously. The clock frequency of the AMD Athlon II X3 400e is at 2.20 GHz.

Intel Core i7-11800H Characteristic AMD Athlon II X3 400e
8 Cores 3
16 Threads 3
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
2.30 GHz Frequency 2.20 GHz
4.60 GHz Turbo Frequency (1 Core) --
3.40 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 i7-11800H Characteristic AMD Athlon II X3 400e
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Core i7-11800H or AMD Athlon II X3 400e 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 11th Gen (32 EU) GPU no iGPU
0.35 GHz GPU frequency --
1.45 GHz GPU (Turbo) --
11 GPU Generation --
10 nm Technology
3 Max. displays
32 Compute units --
256 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 11th Gen (32 EU) 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
Decode Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

The Intel Core i7-11800H can use up to 128 GB of memory in 2 memory channels. The maximum memory bandwidth is 51.2 GB/s. The AMD Athlon II X3 400e supports up to 16 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 21.3 GB/s.

Intel Core i7-11800H Characteristic AMD Athlon II X3 400e
DDR4-3200 Memory DDR3-1333
128 GB Max. Memory 16 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
51.2 GB/s Max. Bandwidth 21.3 GB/s
No ECC No
-- L2 Cache 1.50 MB
24.00 MB L3 Cache --
4.0 PCIe version 2.0
20 PCIe lanes --
39.4 GB/s PCIe Bandwidth --

Thermal Management

The thermal design power (TDP for short) of the Intel Core i7-11800H is 45 W, while the AMD Athlon II X3 400e has a TDP of 45 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Core i7-11800H Characteristic AMD Athlon II X3 400e
45 W TDP (PL1 / PBP) 45 W
-- TDP (PL2) --
-- TDP up --
35 W TDP down --
100 °C Tjunction max. --

Technical details

The Intel Core i7-11800H is manufactured in 10 nm and has 24.00 MB cache. The AMD Athlon II X3 400e is manufactured in 45 nm and has a 1.50 MB cache.

Intel Core i7-11800H Characteristic AMD Athlon II X3 400e
10 nm Technology 45 nm
Monolithic Chip design Unknown
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2, AVX-512 ISA extensions MMX, 3DNow!, SSE3, SSE4a
BGA 1787 Socket AM3
VT-x, VT-x EPT, VT-d Virtualization AMD-V
Yes AES-NI No
Windows 10, Windows 11, Linux Operating systems Windows 10, Linux
Q2/2021 Release date Q3/2009
395 $ Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 2 CPU benchmarks

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 i7-11800H Intel Core i7-11800H
8C 16T @ 4.60 GHz
1559 (100%)
AMD Athlon II X3 400e AMD Athlon II X3 400e
3C 3T @ 2.20 GHz
280 (18%)

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 i7-11800H Intel Core i7-11800H
8C 16T @ 3.40 GHz
8949 (100%)
AMD Athlon II X3 400e AMD Athlon II X3 400e
3C 3T @ 2.20 GHz
765 (9%)

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 i7-11800H Intel Core i7-11800H
8C 16T @ 3.40 GHz
20987 (100%)
AMD Athlon II X3 400e AMD Athlon II X3 400e
3C 3T @ 2.20 GHz
1317 (6%)

Cinebench 2024 (Single-Core)

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.
Intel Core i7-11800H Intel Core i7-11800H
8C 16T @ 4.60 GHz
87 (100%)
AMD Athlon II X3 400e AMD Athlon II X3 400e
3C 3T @ 2.20 GHz
0 (0%)

Cinebench 2024 (Multi-Core)

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.
Intel Core i7-11800H Intel Core i7-11800H
8C 16T @ 4.60 GHz
581 (100%)
AMD Athlon II X3 400e AMD Athlon II X3 400e
3C 3T @ 2.20 GHz
0 (0%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 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 i7-11800H Intel Core i7-11800H
8C 16T @ 4.60 GHz
1492 (100%)
AMD Athlon II X3 400e AMD Athlon II X3 400e
3C 3T @ 2.20 GHz
0 (0%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 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 i7-11800H Intel Core i7-11800H
8C 16T @ 3.40 GHz
12180 (100%)
AMD Athlon II X3 400e AMD Athlon II X3 400e
3C 3T @ 2.20 GHz
0 (0%)

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 i7-11800H Intel Core i7-11800H
8C 16T @ 4.60 GHz
1985 (100%)
AMD Athlon II X3 400e AMD Athlon II X3 400e
3C 3T @ 2.20 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 i7-11800H Intel Core i7-11800H
8C 16T @ 3.40 GHz
9219 (100%)
AMD Athlon II X3 400e AMD Athlon II X3 400e
3C 3T @ 2.20 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 Core i7-11800H Intel Core i7-11800H
8C 16T @ 4.60 GHz
577 (100%)
AMD Athlon II X3 400e AMD Athlon II X3 400e
3C 3T @ 2.20 GHz
0 (0%)

Cinebench R20 (Multi-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 multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i7-11800H Intel Core i7-11800H
8C 16T @ 3.40 GHz
4930 (100%)
AMD Athlon II X3 400e AMD Athlon II X3 400e
3C 3T @ 2.20 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 i7-11800H Intel Core i7-11800H
Intel UHD Graphics 11th Gen (32 EU) @ 1.45 GHz
742 (100%)
AMD Athlon II X3 400e AMD Athlon II X3 400e
@ 0.00 GHz
0 (0%)

Blender 3.1 Benchmark

In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.
Intel Core i7-11800H Intel Core i7-11800H
8C 16T @ 3.40 GHz
168 (100%)
AMD Athlon II X3 400e AMD Athlon II X3 400e
3C 3T @ 2.20 GHz
0 (0%)

CPU-Z Benchmark 17 (Single-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Core i7-11800H Intel Core i7-11800H
8C 16T @ 3.40 GHz
581 (100%)
AMD Athlon II X3 400e AMD Athlon II X3 400e
3C 3T @ 2.20 GHz
0 (0%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Core i7-11800H Intel Core i7-11800H
8C 16T @ 2.30 GHz
5128 (100%)
AMD Athlon II X3 400e AMD Athlon II X3 400e
3C 3T @ 2.20 GHz
0 (0%)

Devices using this processor

Intel Core i7-11800H AMD Athlon II X3 400e
Unknown Unknown

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