AMD Radeon HD 8970M vs AMD Radeon Sky 500
GPU Specs Compare
Graphics Card
Release Date
May 2013
Mar 2013
Generation
Solar System
Radeon Sky
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
850 MHz
-
Boost Clock
900 MHz
-
Memory Clock
1200 MHz
1200 MHz
Memory
Memory Size
4GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
153.6GB/s
153.6GB/s
Render Config
Compute Units
20
20
Shading Units
1280
1280
TMUs
80
80
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
28.80 GPixel/s
30.40 GPixel/s
Texture Rate
72.00 GTexel/s
76.00 GTexel/s
FP32 (float)
2.304 TFLOPS
2.432 TFLOPS
FP64 (double)
144.0 GFLOPS
152.0 GFLOPS
Graphics Processor
GPU Name
Neptune
Pitcairn
GPU Variant
Neptune XT(216-0847000)
Pitcairn XT GL(215-0828073)
Architecture
GCN 1.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.8 billion
2.8 billion
Die Size
212 mm²
212 mm²
Board Design
TDP
100W
150W
Outputs
No outputs
1x DisplayPort 1.2
Suggested PSU
-
450 W
Power Connectors
-
1x 6-pin
Graphics Features
DirectX
12 (11_1)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
1.2
1.2
Vulkan
1.2
1.2
Shader Model
5.1
5.1