Radeon RX 6900 vs GeForce 840M
Aggregate performance score
We've compared GeForce 840M with Radeon RX 6900, including specs and performance data.
RX 6900 outperforms 840M by a whopping 2323% based on our aggregate benchmark results.
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 869 | 34 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 6.19 | 19.40 |
| Architecture | Maxwell (2014−2017) | RDNA 2.0 (2020−2025) |
| GPU code name | GM108 | Navi 21 |
| Market segment | Laptop | Desktop |
| Release date | 12 March 2014 (12 years ago) | 28 October 2020 (5 years 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 cores | 384 | 4608 |
| Core clock speed | 1029 MHz | no data |
| Boost clock speed | 1124 MHz | 2105 MHz |
| Number of transistors | no data | 23,000 million |
| Manufacturing process technology | 28 nm | 7 nm |
| Power consumption (TDP) | 33 Watt | 255 Watt |
| Texture fill rate | 17.98 | 606.2 |
| Floating-point processing power | 0.8632 TFLOPS | 19.4 TFLOPS |
| ROPs | 8 | 64 |
| TMUs | 16 | 288 |
| L1 Cache | 192 KB | no data |
| L2 Cache | 1024 KB | no 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 size | medium sized | no data |
| Bus support | PCI Express 2.0, PCI Express 3.0 | no data |
| Interface | PCIe 3.0 x8 | PCIe 4.0 x16 |
| Width | no data | 2-slot |
| Supplementary power connectors | no data | 2x 8-pin |
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 type | DDR3 | GDDR6 |
| Maximum RAM amount | 4 GB | 16 GB |
| Memory bus width | 64 Bit | 256 Bit |
| Memory clock speed | 1001 MHz | 16 GB/s |
| Memory bandwidth | 16.02 GB/s | 512.0 GB/s |
| 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 Connectors | No outputs | 1x HDMI, 2x DisplayPort, 1x USB Type-C |
| HDMI | - | + |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| GPU Boost | 2.0 | no data |
| Optimus | + | - |
| GameWorks | + | - |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_0) | 12 Ultimate (12_2) |
| Shader Model | 5.1 | 6.5 |
| OpenGL | 4.5 | 4.6 |
| OpenCL | 1.2 | 2.0 |
| Vulkan | 1.1.126 | 1.2 |
| CUDA | + | - |
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.
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.
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:
| 900p | 45
−2233%
| 1050−1100
+2233%
|
| Full HD | 18
−2122%
| 400−450
+2122%
|
FPS performance in popular games
Full HD
Low
| Counter-Strike 2 | 8−9
−2275%
|
190−200
+2275%
|
| Cyberpunk 2077 | 5−6
−2300%
|
120−130
+2300%
|
| Resident Evil 4 Remake | 3−4
−2233%
|
70−75
+2233%
|
Full HD
Medium
| Battlefield 5 | 9−10
−2233%
|
210−220
+2233%
|
| Counter-Strike 2 | 8−9
−2275%
|
190−200
+2275%
|
| Cyberpunk 2077 | 5−6
−2300%
|
120−130
+2300%
|
| Far Cry 5 | 7−8
−2186%
|
160−170
+2186%
|
| Fortnite | 14−16
−2043%
|
300−310
+2043%
|
| Forza Horizon 4 | 12−14
−2208%
|
300−310
+2208%
|
| Forza Horizon 5 | 6−7
−2233%
|
140−150
+2233%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 12−14
−2208%
|
300−310
+2208%
|
| Valorant | 40−45
−2286%
|
1050−1100
+2286%
|
Full HD
High
| Battlefield 5 | 9−10
−2233%
|
210−220
+2233%
|
| Counter-Strike 2 | 8−9
−2275%
|
190−200
+2275%
|
| Counter-Strike: Global Offensive | 46
−2291%
|
1100−1150
+2291%
|
| Cyberpunk 2077 | 5−6
−2300%
|
120−130
+2300%
|
| Dota 2 | 27−30
−2307%
|
650−700
+2307%
|
| Far Cry 5 | 7−8
−2186%
|
160−170
+2186%
|
| Fortnite | 14−16
−2043%
|
300−310
+2043%
|
| Forza Horizon 4 | 12−14
−2208%
|
300−310
+2208%
|
| Forza Horizon 5 | 6−7
−2233%
|
140−150
+2233%
|
| Grand Theft Auto V | 6−7
−2233%
|
140−150
+2233%
|
| Metro Exodus | 4−5
−2275%
|
95−100
+2275%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 12−14
−2208%
|
300−310
+2208%
|
| The Witcher 3: Wild Hunt | 9
−2233%
|
210−220
+2233%
|
| Valorant | 40−45
−2286%
|
1050−1100
+2286%
|
Full HD
Ultra
| Battlefield 5 | 9−10
−2233%
|
210−220
+2233%
|
| Cyberpunk 2077 | 5−6
−2300%
|
120−130
+2300%
|
| Dota 2 | 27−30
−2307%
|
650−700
+2307%
|
| Far Cry 5 | 7−8
−2186%
|
160−170
+2186%
|
| Forza Horizon 4 | 12−14
−2208%
|
300−310
+2208%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 12−14
−2208%
|
300−310
+2208%
|
| The Witcher 3: Wild Hunt | 6
−2233%
|
140−150
+2233%
|
| Valorant | 40−45
−2286%
|
1050−1100
+2286%
|
Full HD
Epic
| Fortnite | 14−16
−2043%
|
300−310
+2043%
|
1440p
High
| Counter-Strike 2 | 6−7
−2233%
|
140−150
+2233%
|
| Counter-Strike: Global Offensive | 20−22
−2150%
|
450−500
+2150%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 24−27
−2300%
|
600−650
+2300%
|
| Valorant | 21−24
−2173%
|
500−550
+2173%
|
1440p
Ultra
| Cyberpunk 2077 | 1−2
−2300%
|
24−27
+2300%
|
| Far Cry 5 | 4−5
−2275%
|
95−100
+2275%
|
| Forza Horizon 4 | 6−7
−2233%
|
140−150
+2233%
|
| The Witcher 3: Wild Hunt | 4−5
−2275%
|
95−100
+2275%
|
1440p
Epic
| Fortnite | 5−6
−2300%
|
120−130
+2300%
|
4K
High
| Grand Theft Auto V | 14−16
−2233%
|
350−400
+2233%
|
| Valorant | 12−14
−2208%
|
300−310
+2208%
|
4K
Ultra
| Cyberpunk 2077 | 0−1 | 0−1 |
| Dota 2 | 7−8
−2186%
|
160−170
+2186%
|
| Far Cry 5 | 1−2
−2300%
|
24−27
+2300%
|
| Forza Horizon 4 | 2−3
−2150%
|
45−50
+2150%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 3−4
−2233%
|
70−75
+2233%
|
4K
Epic
| Fortnite | 3−4
−2233%
|
70−75
+2233%
|
This is how GeForce 840M and RX 6900 compete in popular games:
- RX 6900 is 2233% faster in 900p
- RX 6900 is 2122% faster in 1080p
Pros & cons summary
| Performance score | 2.65 | 64.22 |
| Recency | 12 March 2014 | 28 October 2020 |
| Maximum RAM amount | 4 GB | 16 GB |
| Chip lithography | 28 nm | 7 nm |
| Power consumption (TDP) | 33 Watt | 255 Watt |
GeForce 840M has 673% lower power consumption.
RX 6900, on the other hand, has a 2323% higher aggregate performance score, an age advantage of 6 years, a 300% higher maximum VRAM amount, and a 300% more advanced lithography process.
The Radeon RX 6900 is our recommended choice as it beats the GeForce 840M in performance tests.
Be aware that GeForce 840M is a notebook graphics card while Radeon RX 6900 is a desktop one.
Other comparisons
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
