AMD Radeon HD 8970M vs AMD Radeon R9 M395X
GPU Specs Compare
Graphics Card
Release Date
May 2013
May 2015
Generation
Solar System
Crystal System
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
850 MHz
-
Boost Clock
900 MHz
-
Memory Clock
1200 MHz
1250 MHz
Memory
Memory Size
4GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
153.6GB/s
160.0GB/s
Render Config
Compute Units
20
32
Shading Units
1280
2048
TMUs
80
128
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
23.14 GPixel/s
Texture Rate
72.00 GTexel/s
92.54 GTexel/s
FP32 (float)
2.304 TFLOPS
2.961 TFLOPS
FP64 (double)
144.0 GFLOPS
185.1 GFLOPS
FP16 (half)
-
2.961 TFLOPS
Graphics Processor
GPU Name
Neptune
Amethyst
GPU Variant
Neptune XT(216-0847000)
Amethyst XT
Architecture
GCN 1.0
GCN 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.8 billion
5 billion
Die Size
212 mm²
366 mm²
Board Design
TDP
100W
75W
Outputs
No outputs
No outputs
Power Connectors
-
None
Graphics Features
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
1.2
2.0
Vulkan
1.2
1.2
Shader Model
5.1
6.3
📊 Benchmark
3DMark Time Spy
-
2,514