AMD Radeon HD 7990 vs AMD Radeon RX 590
GPU Specs Compare
Graphics Card
Release Date
Apr 2013
Nov 2018
Generation
Southern Islands
Polaris
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
950 MHz
1469 MHz
Boost Clock
1000 MHz
1545 MHz
Memory Clock
1500 MHz
2000 MHz
Memory
Memory Size
3GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
256bit
Bandwidth
288.0GB/s
256.0GB/s
Render Config
Compute Units
32
36
Shading Units
2048
2304
TMUs
128
144
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
768 KB
2 MB
Theoretical Performance
Pixel Rate
32.00 GPixel/s
49.44 GPixel/s
Texture Rate
128.0 GTexel/s
222.5 GTexel/s
FP32 (float)
4.096 TFLOPS
7.119 TFLOPS
FP64 (double)
1024 GFLOPS
445.0 GFLOPS
FP16 (half)
-
7.119 TFLOPS
Graphics Processor
GPU Name
Malta
Polaris 30
GPU Variant
Malta XT(215-0849026)
Polaris 30 XT(215-0922006)
Architecture
GCN 1.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
12 nm
Transistors
4.313 billion
5.7 billion
Die Size
365 mm²
232 mm²
Board Design
TDP
375W
175W
Suggested PSU
750 W
450 W
Outputs
1x DVI4x mini-DisplayPort 1.2
1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors
2x 8-pin
1x 8-pin
Graphics Features
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
1.2
2.1
Vulkan
1.2
1.2
Shader Model
5.1
6.4