Radeon HD 7870M and Radeon Pro Vega 20 - video card comparison
Passmark - benchmark score Radeon HD 7870M vs Radeon Pro Vega 20
Radeon HD 7870M
1552
Radeon Pro Vega 20
5458
Radeon HD 7870M
Radeon Pro Vega 20
Architecture
GCN (2011−2017)
Vega (2017−2021)
GPU code name
Heathrow XT
Vega Mobile
Market segment
Laptop
Mobile workstation
Release date
April 2012
November 2018
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
-
1x 6-pin + 1x 8-pin
Boost clock speed
-
1283 MHz
Core clock speed
800 MHz
815 MHz
Floating-point performance
1,024 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
1,500 million
-
Pipelines / CUDA cores
640
1280
Power consumption (TDP)
45 Watt
100 Watt
Texture fill rate
32.00
102.6
Memory type
GDDR5
HBM2
Maximum RAM amount
2 GB
4 GB
Memory bus width
128 Bit
1024 Bit
Memory clock speed
4000 MHz
1480 MHz
Memory bandwidth
64 GB/s
189.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_1)
12 (12_1)
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
5.1
6.3
Vulkan
1.2.131
1.2.131