Radeon HD 6870 and Radeon RX Vega Mobile - video card comparison
Radeon HD 6870
Radeon RX Vega Mobile
Architecture
Terascale 2 (2009−2015)
Vega (2017−2021)
GPU code name
RV940 Barts
Vega Mobile
Market segment
Desktop
Laptop
Release date
October 2010
January 2018
Bus support
PCIe 2.0 x16
-
Interface
PCIe 2.0 x16
-
Supplementary power connectors
2x 6-pin
-
Boost clock speed
900 MHz
-
Floating-point performance
2,016.0 gflops
-
Manufacturing process technology
40 nm
14 nm
Number of transistors
1,700 million
-
Pipelines / CUDA cores
1120
1792
Power consumption (TDP)
151 Watt
90 Watt
Texture fill rate
50.40
-
Memory type
GDDR5
HBM2
Maximum RAM amount
1 GB
4 GB
Memory bus width
256 Bit
2048 Bit
Memory clock speed
1050 MHz
-
Memory bandwidth
134.4 GB/s
-
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
-
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
12_1
Mantle
-
-
OpenCL
1.2
-
OpenGL
4.4
-
Shader Model
5.0
-
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-