Radeon HD 6670 and Radeon Pro Vega 20 - video card comparison
Passmark - benchmark score Radeon HD 6670 vs Radeon Pro Vega 20
Radeon HD 6670
752
Radeon Pro Vega 20
5458
Radeon HD 6670
Radeon Pro Vega 20
Architecture
TeraScale 2 (2009−2015)
Vega (2017−2021)
GPU code name
Turks
Vega Mobile
Market segment
Desktop
Mobile workstation
Release date
April 2011
November 2018
Bus support
PCIe 2.0 x16
-
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
1x 6-pin + 1x 8-pin
Boost clock speed
800 MHz
1283 MHz
Core clock speed
-
815 MHz
Floating-point performance
768.0 gflops
-
Manufacturing process technology
40 nm
14 nm
Number of transistors
716 million
-
Pipelines / CUDA cores
480
1280
Power consumption (TDP)
66 Watt
100 Watt
Texture fill rate
19.20
102.6
Memory type
GDDR5
HBM2
Maximum RAM amount
1 GB
4 GB
Memory bus width
128 Bit
1024 Bit
Memory clock speed
1050 MHz
1480 MHz
Memory bandwidth
64 GB/s
189.4 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x VGA
No outputs
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
12 (12_1)
Mantle
-
-
OpenCL
1.2
2.0
OpenGL
4.4
4.6
Shader Model
5.0
6.3
Vulkan
-
1.2.131
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-