Radeon R9 390 vs 290 (390 till vänster, 290 till höger, där det bara står ett värde har båda korten samma värde)
GPU brand
AMD
GPU name
Grenada Hawaii
Market
Desktop
Clock speed
1,000 MHz 947 MHz
Is dual GPU
No
Reference card
None
Raw performance
Shading units
2,560
Texture mapping units
160
Render output processors
64
Compute units
40
Pixel rate
64 GPixel/s 60.6 GPixel/s
Floating-point performance
5,120 GFLOPS 4,800 GFLOPS
Memory
Memory clock speed
1,500 MHz 1,125 MHz
Effective memory clock speed
6,000 MHz 5,000 MHz
Memory bus
512 bit
Memory
8,192 MB 4,096 MB
Memory type
GDDR5
Noise and power
TDP
275W 300W