The GeForce 840M is at least 2x slower gaming GPU than the Radeon R9 390. We cannot compare value as at least one GPU is out of stock.
Advantages of the GeForce 840M
- Consumes up to 88% less energy – 33 vs 275 Watts
Advantages of the Radeon R9 390
- At least 2x faster GPU for gaming
- Up to 300% more VRAM memory – 8 vs 2 GB
GeForce 840M vs Radeon R9 390 for Gaming
The GPU's performance in selected game and settings
GeForce 840M
Mar 12th, 2014
Average FPS
42
63%
Min 1% FPS
16
48%
Price, £
Out of Stock
Value, £/FPS
Not Available
All items are out of stock.
Radeon R9 390
Jun 18th, 2015
Average FPS
67
100%
Min 1% FPS
33
100%
Price, £
£855.13
100%
Value, £/FPS
£12.76/FPS
100%
GeForce 840M vs Radeon R9 390 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 R9 390 in synthetic GPU benchmarks
Performance Specifications
The GeForce 840M vs Radeon R9 390 in core GPU performance specifications
GeForce 840M
Mar 12th, 2014
Memory
2 GB
25%
Memory Bandwidth
16.02 GB/s
4%
Pixel Fillrate
8.992 GPixel/s
14%
Texture Fillrate
17.98 GTexel/s
11%
FP32
863.2 GFLOPS
17%
Radeon R9 390
Jun 18th, 2015
Memory
8 GB
100%
Memory Bandwidth
384 GB/s
100%
Pixel Fillrate
64 GPixel/s
100%
Texture Fillrate
160 GTexel/s
100%
FP32
5.12 TFLOPS
100%
Specifications
Comparison of all specifications
GeForce 840M | SpecificationsComparison of all specifications | Radeon R9 390 |
|---|---|---|
| General | ||
| Mar 12th, 2014 | Release Date | Jun 18th, 2015 |
| Not Available | MSRP | $329.00 |
| GeForce 800M | Generation | Pirate Islands |
Laptop | Segment | Desktop |
33 W | Power Consumption | 275 W |
| Memory | ||
| 2 GB | Memory Size | 8 GB |
| DDR3 | Memory Type | GDDR5 |
| 64-bit | Memory Bus | 512-bit |
| 16.02 GB/s | Bandwidth | 384 GB/s |
| Theoretical Performance | ||
| 8.992 GPixel/s | Pixel Fillrate | 64 GPixel/s |
| 17.98 GTexel/s | Texture Fillrate | 160 GTexel/s |
| 863.2 GFLOPS | FP32 | 5.12 TFLOPS |
