The GeForce 840M is at least 2x slower gaming GPU than the Radeon RX 7900 XT. We cannot compare value as at least one GPU is out of stock.
Advantages of the GeForce 840M
- Consumes up to 89% less energy – 33 vs 300 Watts
Advantages of the Radeon RX 7900 XT
- At least 2x faster GPU for gaming
- Up to 900% more VRAM memory – 20 vs 2 GB
GeForce 840M vs Radeon RX 7900 XT for Gaming
The GPU's performance in selected game and settings
GeForce 840M
Mar 12th, 2014
Average FPS
42
22%
Min 1% FPS
16
13%
Price, £
Out of Stock
Value, £/FPS
Not Available
All items are out of stock.
Radeon RX 7900 XT
Nov 3rd, 2022
Average FPS
192
100%
Min 1% FPS
122
100%
Price, £
£713.22
100%
Value, £/FPS
£3.71/FPS
100%
Buy on Amazon
£713.22
In Stock
Buy on Amazon
£1,062.49
In Stock
Buy on Amazon
£750.20
In Stock
Buy on Amazon
£681.06
In Stock
Buy on Amazon
£687.32
In Stock
Buy on Amazon
£864.84
In Stock
Buy on Amazon
£904.69
In Stock
GeForce 840M vs Radeon RX 7900 XT in My Games
The FPS you'll get in saved games, click on a game to change it
The FPS you'll get in saved games, click on a game to change it
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Synthetic Benchmarks
The GeForce 840M vs Radeon RX 7900 XT in synthetic GPU benchmarks
Performance Specifications
The GeForce 840M vs Radeon RX 7900 XT in core GPU performance specifications
GeForce 840M
Mar 12th, 2014
Memory
2 GB
10%
Memory Bandwidth
16.02 GB/s
2%
Pixel Fillrate
8.992 GPixel/s
2%
Texture Fillrate
17.98 GTexel/s
2%
FP32
863.2 GFLOPS
2%
Radeon RX 7900 XT
Nov 3rd, 2022
Memory
20 GB
100%
Memory Bandwidth
800 GB/s
100%
Pixel Fillrate
459.6 GPixel/s
100%
Texture Fillrate
804.4 GTexel/s
100%
FP32
51.48 TFLOPS
100%
Specifications
Comparison of all specifications
GeForce 840M | SpecificationsComparison of all specifications | Radeon RX 7900 XT |
|---|---|---|
| General | ||
| Mar 12th, 2014 | Release Date | Nov 3rd, 2022 |
| Not Available | MSRP | $899.00 |
| GeForce 800M | Generation | Navi III |
Laptop | Segment | Desktop |
33 W | Power Consumption | 300 W |
| Memory | ||
| 2 GB | Memory Size | 20 GB |
| DDR3 | Memory Type | GDDR6 |
| 64-bit | Memory Bus | 320-bit |
| 16.02 GB/s | Bandwidth | 800 GB/s |
| Theoretical Performance | ||
| 8.992 GPixel/s | Pixel Fillrate | 459.6 GPixel/s |
| 17.98 GTexel/s | Texture Fillrate | 804.4 GTexel/s |
| 863.2 GFLOPS | FP32 | 51.48 TFLOPS |
