AMD Radeon HD 6870 X2 vs AMD Radeon RX Vega M GH
GPU Specs Compare
Graphics Card
Release Date
Jul 2011
Feb 2018
Generation
Northern Islands
Vega
Type
Desktop
Mobile
Bus Interface
PCIe 2.0 x16
IGP
Clock Speeds
Memory Clock
1050 MHz
800 MHz
Base Clock
-
1063 MHz
Boost Clock
-
1190 MHz
Memory
Memory Size
1024MB
4GB
Memory Type
GDDR5
HBM2
Memory Bus
256bit
1024bit
Bandwidth
134.4GB/s
204.8GB/s
Render Config
Compute Units
14
24
Shading Units
1120
1536
TMUs
56
96
ROPs
32
64
L1 Cache
8 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
1024 KB
Theoretical Performance
Pixel Rate
28.80 GPixel/s
76.16 GPixel/s
Texture Rate
50.40 GTexel/s
114.2 GTexel/s
FP32 (float)
2.016 TFLOPS
3.656 TFLOPS
FP16 (half)
-
3.656 TFLOPS
FP64 (double)
-
228.5 GFLOPS
Graphics Processor
GPU Name
Barts
Polaris 22
GPU Variant
Barts XT(215-0798000)
VegaM XT(C7398773)
Architecture
TeraScale 2
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
40 nm
14 nm
Transistors
1.7 billion
5 billion
Die Size
255 mm²
208 mm²
Board Design
TDP
300W
100W
Suggested PSU
700 W
-
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
No outputs
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