AMD Radeon RX Vega M GH vs AMD Radeon HD 6870
GPU · Specs Compare
Graphics Card
Release Date
Feb 2018
Oct 2010
Generation
Vega
Northern Islands
Type
Mobile
Desktop
Bus Interface
IGP
PCIe 2.0 x16
Clock Speeds
Base Clock
1063 MHz
—
Boost Clock
1190 MHz
—
Memory Clock
800 MHz
1050 MHz
Memory
Memory Size
4GB
1024MB
Memory Type
HBM2
GDDR5
Memory Bus
1024bit
256bit
Bandwidth
204.8GB/s
134.4GB/s
Render Config
Compute Units
24
14
Shading Units
1536
1120
TMUs
96
56
ROPs
64
32
L1 Cache
16 KB (per CU)
8 KB (per CU)
L2 Cache
1024 KB
512 KB
Theoretical Performance
Pixel Rate
76.16 GPixel/s
28.80 GPixel/s
Texture Rate
114.2 GTexel/s
50.40 GTexel/s
FP16 (half)
3.656 TFLOPS
—
FP32 (float)
3.656 TFLOPS
2.016 TFLOPS
FP64 (double)
228.5 GFLOPS
—
Graphics Processor
GPU Name
Polaris 22
Barts
GPU Variant
VegaM XT(C7398773)
Barts XT(215-0798000)
Architecture
GCN 4.0
TeraScale 2
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
40 nm
Transistors
5 billion
1.7 billion
Die Size
208 mm²
255 mm²
Board Design
TDP
100W
151W
Outputs
No outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Suggested PSU
—
450 W
Power Connectors
—
2x 6-pin
Graphics Features
DirectX
12 (12_0)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
2.1
1.2
Vulkan
1.2
N/A
Shader Model
6.4
5.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.