AMD Radeon RX 580G vs AMD Radeon HD 7970 GHz Edition
GPU Specs Compare
Graphics Card
Release Date
Oct 2018
Jun 2012
Generation
Polaris
Southern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1257 MHz
1000 MHz
Boost Clock
1330 MHz
1050 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
42.56 GPixel/s
33.60 GPixel/s
Texture Rate
191.5 GTexel/s
134.4 GTexel/s
FP16 (half)
6.129 TFLOPS
-
FP32 (float)
6.129 TFLOPS
4.301 TFLOPS
FP64 (double)
383.0 GFLOPS
1075 GFLOPS
Graphics Processor
GPU Name
Polaris 20
Tahiti
GPU Variant
Polaris 20 XTX(215-0910038)
Tahiti XT2(215-0821065)
Architecture
GCN 4.0
GCN 1.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
28 nm
Transistors
5.7 billion
4.313 billion
Die Size
232 mm²
352 mm²
Board Design
TDP
185W
300W
Suggested PSU
450 W
700 W
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
1x 8-pin
1x 6-pin + 1x 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