AMD Ryzen 7 8840U vs Microsoft XBox Series X

Last updated:

CPU comparison with benchmarks


AMD Ryzen 7 8840U CPU1 vs CPU2 Microsoft XBox Series X
AMD Ryzen 7 8840U Microsoft XBox Series X

CPU comparison

AMD Ryzen 7 8840U or Microsoft XBox Series X - 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 AMD Ryzen 7 8840U has 8 cores with 16 threads and clocks with a maximum frequency of 5.10 GHz. Up to 256 GB of memory is supported in 2 memory channels. The AMD Ryzen 7 8840U was released in Q1/2024.

The Microsoft XBox Series X has 8 cores with 16 threads and clocks with a maximum frequency of 3.80 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Microsoft XBox Series X was released in Q3/2020.
AMD Ryzen 7 (68) Family AMD Ryzen 7 (68)
AMD Ryzen 8040 (20) CPU group AMD Ryzen 4000G (22)
7 Generation 3
Hawk Point (Zen 4) Architecture Renoir (Zen 2)
Mobile Segment Desktop / Server
AMD Ryzen 7 7840U Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Ryzen 7 8840U is a 8 core processor with a clock frequency of 3.30 GHz (5.10 GHz). The Microsoft XBox Series X has 8 CPU cores with a clock frequency of 3.20 GHz (3.80 GHz).

AMD Ryzen 7 8840U Characteristic Microsoft XBox Series X
8 Cores 8
16 Threads 16
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
3.30 GHz Frequency 3.20 GHz
5.10 GHz Turbo Frequency (1 Core) 3.80 GHz
-- Turbo Frequency (All Cores) 3.66 GHz

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.

AMD Ryzen 7 8840U Characteristic Microsoft XBox Series X
AMD Ryzen AI AI hardware --
AMD Ryzen™ AI AI specifications --

Internal Graphics

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.

AMD Radeon 780M GPU AMD Custom Radeon Graphics (XBox Series X)
0.80 GHz GPU frequency 1.83 GHz
2.70 GHz GPU (Turbo) --
3 GPU Generation 1
4 nm Technology 7 nm
4 Max. displays 1
12 Compute units 52
768 Shader 3328
Yes Hardware Raytracing No
AMD FSR Frame Generation No
32 GB Max. GPU Memory 10 GB
12 DirectX Version 12

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.

AMD Radeon 780M GPU AMD Custom Radeon Graphics (XBox Series X)
Decode / Encode Codec h265 / HEVC (8 bit) Decode / Encode
Decode / Encode Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
Decode Codec VP9 Decode / Encode
Decode Codec VP8 Decode / Encode
Decode / Encode Codec AV1 No
Decode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

The AMD Ryzen 7 8840U supports a maximum of 256 GB of memory in 2 memory channels. The Microsoft XBox Series X can connect up to 16 GB of memory in 2 memory channels.

AMD Ryzen 7 8840U Characteristic Microsoft XBox Series X
DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 Memory GDDR6
256 GB Max. Memory 16 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
120.0 GB/s Max. Bandwidth 560.0 GB/s
Yes ECC No
8.00 MB L2 Cache --
16.00 MB L3 Cache 8.00 MB
4.0 PCIe version 4.0
20 PCIe lanes 12
39.4 GB/s PCIe Bandwidth 23.6 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Ryzen 7 8840U has a TDP of 28 W, that of the Microsoft XBox Series X is 65 W.

AMD Ryzen 7 8840U Characteristic Microsoft XBox Series X
28 W TDP (PL1 / PBP) 65 W
-- TDP (PL2) --
30 W TDP up --
15 W TDP down --
100 °C Tjunction max. 100 °C

Technical details

The AMD Ryzen 7 8840U has a 24.00 MB cache, while the Microsoft XBox Series X cache has a total of 8.00 MB.

AMD Ryzen 7 8840U Characteristic Microsoft XBox Series X
4 nm Technology 7 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 ISA extensions SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
FP8 Socket BGA
AMD-V, SVM Virtualization AMD-V, SVM
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Windows 11, Linux
Q1/2024 Release date Q3/2020
-- Release price --
show more data show more data


Rate these processors

Here you can rate the AMD Ryzen 7 8840U to help other visitors make their purchasing decisions. The average rating is 4.5 stars (14 ratings). Rate now:
Here you can rate the Microsoft XBox Series X to help other visitors make their purchasing decisions. The average rating is 5.0 stars (6 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
AMD Ryzen 7 8840U (100%)
Microsoft XBox Series X (60%)
⌀ Multi core performance in 2 CPU benchmarks
AMD Ryzen 7 8840U (100%)
Microsoft XBox Series X (78%)

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.
AMD Ryzen 7 8840U AMD Ryzen 7 8840U
8C 16T @ 5.10 GHz
1807 (100%)
Microsoft XBox Series X Microsoft XBox Series X
8C 16T @ 3.80 GHz
1142 (63%)

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.
AMD Ryzen 7 8840U AMD Ryzen 7 8840U
8C 16T @ 3.30 GHz
13450 (100%)
Microsoft XBox Series X Microsoft XBox Series X
8C 16T @ 3.66 GHz
10650 (79%)

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.
AMD Ryzen 7 8840U AMD Ryzen 7 8840U
8C 16T @ 5.10 GHz
1917 (100%)
Microsoft XBox Series X Microsoft XBox Series X
8C 16T @ 3.80 GHz
1070 (56%)

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.
AMD Ryzen 7 8840U AMD Ryzen 7 8840U
8C 16T @ 3.30 GHz
9612 (100%)
Microsoft XBox Series X Microsoft XBox Series X
8C 16T @ 3.66 GHz
7358 (77%)

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.
AMD Ryzen 7 8840U AMD Ryzen 7 8840U
AMD Radeon 780M @ 2.70 GHz
4201 (35%)
Microsoft XBox Series X Microsoft XBox Series X
AMD Custom Radeon Graphics (XBox Series X) @ 1.83 GHz
12150 (100%)

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.
AMD Ryzen 7 8840U AMD Ryzen 7 8840U
8C 16T @ 5.10 GHz
2446 (100%)
Microsoft XBox Series X Microsoft XBox Series X
8C 16T @ 3.80 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.
AMD Ryzen 7 8840U AMD Ryzen 7 8840U
8C 16T @ 3.30 GHz
10726 (100%)
Microsoft XBox Series X Microsoft XBox Series X
8C 16T @ 3.66 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.
AMD Ryzen 7 8840U AMD Ryzen 7 8840U
8C 16T @ 5.10 GHz
0 (0%)
Microsoft XBox Series X Microsoft XBox Series X
8C 16T @ 3.80 GHz
431 (100%)

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.
AMD Ryzen 7 8840U AMD Ryzen 7 8840U
8C 16T @ 3.30 GHz
0 (0%)
Microsoft XBox Series X Microsoft XBox Series X
8C 16T @ 3.66 GHz
4062 (100%)

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.
AMD Ryzen 7 8840U AMD Ryzen 7 8840U
8C 16T @ 3.30 GHz
0 (0%)
Microsoft XBox Series X Microsoft XBox Series X
8C 16T @ 3.66 GHz
17455 (100%)

CPU performance per watt (efficiency)

Efficiency of the processor under full load in the Cinebench R23 (multi-core) benchmark. The benchmark result is divided by the average energy required (CPU package power in watts). The higher the value, the more efficient the CPU is under full load.
AMD Ryzen 7 8840U AMD Ryzen 7 8840U
13,450 CB R23 MC @ 30 W
448 (100%)
Microsoft XBox Series X Microsoft XBox Series X
3.20 GHz
0 (0%)

Performance for Artificial Intelligence (AI) and Machine Learning (ML)

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. The performance is given in the number (trillions) of arithmetic operations per second (TOPS).
AMD Ryzen 7 8840U AMD Ryzen 7 8840U
8C 16T @ 3.30 GHz
16 (100%)
Microsoft XBox Series X Microsoft XBox Series X
8C 16T @ 3.20 GHz
0 (0%)

Devices using this processor

AMD Ryzen 7 8840U Microsoft XBox Series X
Unknown Unknown

Popular comparisons containing this CPUs

1. AMD Ryzen 7 8840UAMD Ryzen 7 PRO 7840U AMD Ryzen 7 8840U vs AMD Ryzen 7 PRO 7840U
2. AMD Ryzen 7 8840UAMD Ryzen 7 7840U AMD Ryzen 7 8840U vs AMD Ryzen 7 7840U
3. AMD Ryzen Z1 ExtremeAMD Ryzen 7 8840U AMD Ryzen Z1 Extreme vs AMD Ryzen 7 8840U
4. Intel Core Ultra 7 155HAMD Ryzen 7 8840U Intel Core Ultra 7 155H vs AMD Ryzen 7 8840U
5. AMD Ryzen 7 8840UAMD Ryzen 7 8840HS AMD Ryzen 7 8840U vs AMD Ryzen 7 8840HS
6. Microsoft XBox Series XApple M1 Microsoft XBox Series X vs Apple M1
7. Microsoft XBox Series XAMD Ryzen 5 5600X Microsoft XBox Series X vs AMD Ryzen 5 5600X
8. Sony Playstation 5Microsoft XBox Series X Sony Playstation 5 vs Microsoft XBox Series X
9. AMD Ryzen 7 8840UIntel Core Ultra 7 155U AMD Ryzen 7 8840U vs Intel Core Ultra 7 155U
10. Microsoft XBox Series XAMD Ryzen 7 5700G Microsoft XBox Series X vs AMD Ryzen 7 5700G


back to index