AMD Radeon RX 560DX vs AMD Radeon HD 7970 X2
GPU Specs Compare
Graphics Card
Release Date
Apr 2018
Aug 2012
Generation
Polaris
Southern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
1090 MHz
-
Boost Clock
1175 MHz
-
Memory Clock
1500 MHz
1375 MHz
Memory
Memory Size
4GB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
384bit
Bandwidth
96.00GB/s
264.0GB/s
Render Config
Compute Units
14
32
Shading Units
896
2048
TMUs
56
128
ROPs
16
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
1024 KB
768 KB
Theoretical Performance
Pixel Rate
18.80 GPixel/s
29.60 GPixel/s
Texture Rate
65.80 GTexel/s
118.4 GTexel/s
FP16 (half)
2.106 TFLOPS
-
FP32 (float)
2.106 TFLOPS
3.789 TFLOPS
FP64 (double)
131.6 GFLOPS
947.2 GFLOPS
Graphics Processor
GPU Name
Polaris 21
New Zealand
GPU Variant
Polaris 21 XL
-
Architecture
GCN 4.0
GCN 1.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
28 nm
Transistors
3 billion
4.313 billion
Die Size
123 mm²
352 mm²
Board Design
TDP
65W
500W
Suggested PSU
250 W
900 W
Outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
3x 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