Radeon HD 3870 and Radeon Vega 7 - video card comparison
Radeon HD 3870
Radeon Vega 7
Architecture
TeraScale (2005−2013)
GCN 5.1 (2018−2021)
GPU code name
RV670
Cezanne
Market segment
Desktop
Desktop
Release date
November 2007
April 2021
Interface
PCIe 2.0 x16
IGP
Supplementary power connectors
1x 6-pin
None
Boost clock speed
-
1900 MHz
Core clock speed
777 MHz
-
Floating-point performance
497.3 gflops
-
Manufacturing process technology
55 nm
7 nm
Number of transistors
666 million
9,800 million
Pipelines / CUDA cores
320
448
Power consumption (TDP)
106 Watt
45 Watt
Texture fill rate
12.43
53.20
Memory type
GDDR4
System Shared
Maximum RAM amount
512 MB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
2252 MHz
System Shared
Memory bandwidth
72.06 GB/s
-
Display Connectors
2x DVI, 1x S-Video
No outputs
DirectX
10.1 (10_1)
12 (12_1)
OpenCL
N/A
2.1
OpenGL
3.3
4.6
Shader Model
4.1
6.4
Vulkan
N/A
1.2