Radeon 840M vs RX 7800M

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Aggregate performance score

We've compared Radeon RX 7800M and Radeon 840M, covering specs and all relevant benchmarks.

RX 7800M
2024
12 GB GDDR6, 180 Watt
42.44
+366%

7800M outperforms 840M by a whopping 366% based on our aggregate benchmark results.

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking104532
Place by popularitynot in top-100not in top-100
Power efficiency18.1146.65
ArchitectureRDNA 3.0 (2022−2026)RDNA 3.5 (2024−2025)
GPU code nameNavi 32Krackan Point
Market segmentLaptopLaptop
Release date11 September 2024 (1 year ago)March 2025 (1 year ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Real power consumption of some graphics cards can well exceed their nominal TDP, especially if overclocked.

Pipelines / CUDA cores3840256
Core clock speed1295 MHz400 MHz
Boost clock speed2335 MHz2900 MHz
Number of transistors28,100 millionno data
Manufacturing process technology5 nm4 nm
Power consumption (TDP)180 Watt15 Watt
Texture fill rate560.446.40
Floating-point processing power35.87 TFLOPS1.4848 TFLOPS
ROPs968
TMUs24016
Ray Tracing Cores604
L0 Cache960 KB64 KB
L1 Cache768 KB64 KB
L2 Cache4 MB1024 KB
L3 Cache48 MBno data

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Laptop sizeno datamedium sized
InterfacePCIe 4.0 x16PCIe 4.0 x8
Supplementary power connectorsNoneNone

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR6System Shared
Maximum RAM amount12 GBSystem Shared
Memory bus width192 BitSystem Shared
Memory clock speed2250 MHzSystem Shared
Memory bandwidth432.0 GB/sno data
Shared memory-+
Resizable BAR+-

Connectivity and outputs

This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.

Display ConnectorsPortable Device DependentPortable Device Dependent

API and SDK support

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12 Ultimate (12_2)12 Ultimate (12_2)
Shader Model6.86.8
OpenGL4.64.6
OpenCL2.22.1
Vulkan1.31.4

Synthetic benchmarks

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.


Combined synthetic benchmark score

This is our combined benchmark score.

RX 7800M 42.44
+366%
Radeon 840M 9.11

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

RX 7800M 17566
+366%
Samples: 53
Radeon 840M 3771
Samples: 627

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Average FPS across all PC games

Here are the average frames per second in a large set of popular games across different resolutions:

Full HD100−110
+335%
23
−335%

FPS performance in popular games

Full HD
Low

Counter-Strike 2 84
+0%
84
+0%
Cyberpunk 2077 18−20
+0%
18−20
+0%
Resident Evil 4 Remake 16−18
+0%
16−18
+0%

Full HD
Medium

Battlefield 5 40−45
+0%
40−45
+0%
Counter-Strike 2 68
+0%
68
+0%
Cyberpunk 2077 18−20
+0%
18−20
+0%
Far Cry 5 27−30
+0%
27−30
+0%
Fortnite 55−60
+0%
55−60
+0%
Forza Horizon 4 40−45
+0%
40−45
+0%
Forza Horizon 5 27−30
+0%
27−30
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 30−35
+0%
30−35
+0%
Valorant 85−90
+0%
85−90
+0%

Full HD
High

Battlefield 5 40−45
+0%
40−45
+0%
Counter-Strike 2 15
+0%
15
+0%
Counter-Strike: Global Offensive 140−150
+0%
140−150
+0%
Cyberpunk 2077 18−20
+0%
18−20
+0%
Far Cry 5 27−30
+0%
27−30
+0%
Fortnite 55−60
+0%
55−60
+0%
Forza Horizon 4 40−45
+0%
40−45
+0%
Forza Horizon 5 27−30
+0%
27−30
+0%
Grand Theft Auto V 33
+0%
33
+0%
Metro Exodus 18−20
+0%
18−20
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 30−35
+0%
30−35
+0%
The Witcher 3: Wild Hunt 24−27
+0%
24−27
+0%
Valorant 85−90
+0%
85−90
+0%

Full HD
Ultra

Battlefield 5 40−45
+0%
40−45
+0%
Cyberpunk 2077 18−20
+0%
18−20
+0%
Far Cry 5 27−30
+0%
27−30
+0%
Forza Horizon 4 40−45
+0%
40−45
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 30−35
+0%
30−35
+0%
The Witcher 3: Wild Hunt 24−27
+0%
24−27
+0%

Full HD
Epic

Fortnite 55−60
+0%
55−60
+0%

1440p
High

Counter-Strike 2 16−18
+0%
16−18
+0%
Counter-Strike: Global Offensive 70−75
+0%
70−75
+0%
Grand Theft Auto V 12−14
+0%
12−14
+0%
Metro Exodus 10−11
+0%
10−11
+0%
Valorant 90−95
+0%
90−95
+0%

1440p
Ultra

Battlefield 5 21−24
+0%
21−24
+0%
Cyberpunk 2077 7−8
+0%
7−8
+0%
Far Cry 5 18−20
+0%
18−20
+0%
Forza Horizon 4 21−24
+0%
21−24
+0%
The Witcher 3: Wild Hunt 12−14
+0%
12−14
+0%

1440p
Epic

Fortnite 18−20
+0%
18−20
+0%

4K
High

Counter-Strike 2 3−4
+0%
3−4
+0%
Grand Theft Auto V 20−22
+0%
20−22
+0%
Metro Exodus 5−6
+0%
5−6
+0%
The Witcher 3: Wild Hunt 10−11
+0%
10−11
+0%
Valorant 40−45
+0%
40−45
+0%

4K
Ultra

Battlefield 5 10−12
+0%
10−12
+0%
Cyberpunk 2077 3−4
+0%
3−4
+0%
Far Cry 5 9−10
+0%
9−10
+0%
Forza Horizon 4 14−16
+0%
14−16
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 9−10
+0%
9−10
+0%

4K
Epic

Fortnite 9−10
+0%
9−10
+0%

This is how RX 7800M and Radeon 840M compete in popular games:

  • RX 7800M is 335% faster in 1080p

All in all, in popular games:

  • there's a draw in 54 tests (100%)

Pros & cons summary


Performance score 42.44 9.11
Chip lithography 5 nm 4 nm
Power consumption (TDP) 180 Watt 15 Watt

RX 7800M has a 366% higher aggregate performance score.

Radeon 840M, on the other hand, has a 25% more advanced lithography process, and 1100% lower power consumption.

The Radeon RX 7800M is our recommended choice as it beats the Radeon 840M in performance tests.

Other comparisons

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


4.1 16 votes

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3.8 30 votes

Rate Radeon 840M on a scale of 1 to 5:

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Comments

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