The GeForce 820M 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 820M
- Consumes up to 84% less energy – 45 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 820M vs Radeon R9 390 for Gaming
The GPU's performance in selected game and settings
GeForce 820M
Mar 21st, 2015
Average FPS
39
58%
Min 1% FPS
15
45%
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 820M 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 820M vs Radeon R9 390 in synthetic GPU benchmarks
Performance Specifications
The GeForce 820M vs Radeon R9 390 in core GPU performance specifications
GeForce 820M
Mar 21st, 2015
Memory
2 GB
25%
Memory Bandwidth
28.83 GB/s
8%
Pixel Fillrate
6.48 GPixel/s
10%
Texture Fillrate
25.92 GTexel/s
16%
FP32
622.1 GFLOPS
12%
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 820M | SpecificationsComparison of all specifications | Radeon R9 390 |
|---|---|---|
| General | ||
| Mar 21st, 2015 | Release Date | Jun 18th, 2015 |
| Not Available | MSRP | $329.00 |
| GeForce 800M | Generation | Pirate Islands |
Laptop | Segment | Desktop |
45 W | Power Consumption | 275 W |
| Memory | ||
| 2 GB | Memory Size | 8 GB |
| DDR3 | Memory Type | GDDR5 |
| 128-bit | Memory Bus | 512-bit |
| 28.83 GB/s | Bandwidth | 384 GB/s |
| Theoretical Performance | ||
| 6.48 GPixel/s | Pixel Fillrate | 64 GPixel/s |
| 25.92 GTexel/s | Texture Fillrate | 160 GTexel/s |
| 622.1 GFLOPS | FP32 | 5.12 TFLOPS |
