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