AMD Radeon RX Vega M GL 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
931 MHz
-
Boost Clock
1011 MHz
-
Memory Clock
700 MHz
1050 MHz
Memory
Memory Size
4GB
1024MB
Memory Type
HBM2
GDDR5
Memory Bus
1024bit
256bit
Bandwidth
179.2GB/s
134.4GB/s
Render Config
Compute Units
20
14
Shading Units
1280
1120
TMUs
80
56
ROPs
32
32
L1 Cache
16 KB (per CU)
8 KB (per CU)
L2 Cache
1024 KB
512 KB
Theoretical Performance
Pixel Rate
32.35 GPixel/s
28.80 GPixel/s
Texture Rate
80.88 GTexel/s
50.40 GTexel/s
FP16 (half)
2.588 TFLOPS
-
FP32 (float)
2.588 TFLOPS
2.016 TFLOPS
FP64 (double)
161.8 GFLOPS
-
Graphics Processor
GPU Name
Polaris 22
Barts
GPU Variant
VegaM XL(D715A714)
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
65W
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