AMD Radeon HD 6970 X2 vs AMD Radeon RX 580 Mobile
GPU Specs Compare
Graphics Card
Release Date
Unknown
Apr 2017
Generation
Northern Islands
Mobility Radeon
Type
Desktop
Mobile
Bus Interface
PCIe 2.0 x16
MXM-B (3.0)
Clock Speeds
Memory Clock
1375 MHz
2000 MHz
Base Clock
-
1000 MHz
Boost Clock
-
1077 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
176.0GB/s
256.0GB/s
Render Config
Compute Units
24
36
Shading Units
1536
2304
TMUs
96
144
ROPs
32
32
L1 Cache
8 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
2 MB
Theoretical Performance
Pixel Rate
28.16 GPixel/s
34.46 GPixel/s
Texture Rate
84.48 GTexel/s
155.1 GTexel/s
FP32 (float)
2.703 TFLOPS
4.963 TFLOPS
FP16 (half)
-
4.963 TFLOPS
FP64 (double)
-
310.2 GFLOPS
Graphics Processor
GPU Name
Antilles
Polaris 20
GPU Variant
Antilles XT(215-0807027)
Polaris 20M XT
Architecture
TeraScale 3
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
40 nm
14 nm
Transistors
2.64 billion
5.7 billion
Die Size
389 mm²
232 mm²
Board Design
TDP
375W
100W
Suggested PSU
750 W
-
Outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
No outputs
Power Connectors
3x 8-pin
None
Graphics Features
DirectX
11.2 (11_0)
12 (12_0)
OpenGL
4.4
4.6
OpenCL
1.2
2.1
Vulkan
N/A
1.2
Shader Model
5.0
6.4
📊 Benchmark
3DMark Time Spy
-
3,553
3DMark Time Spy Extreme
-
1,626