Mobility Radeon HD 3870 and Radeon Vega 7 - video card comparison
Mobility Radeon HD 3870
Radeon Vega 7
Architecture
RV6xx (2007−2010)
GCN 5.1 (2018−2021)
GPU code name
M88-XT
Cezanne
Market segment
Laptop
Desktop
Release date
March 2008
April 2021
Interface
PCIe 2.0 x16
IGP
Supplementary power connectors
-
None
Boost clock speed
-
1900 MHz
Core clock speed
660 MHz
-
Floating-point performance
422.4 gflops
-
Manufacturing process technology
55 nm
7 nm
Number of transistors
666 million
9,800 million
Pipelines / CUDA cores
320
448
Power consumption (TDP)
55 Watt
45 Watt
Texture fill rate
10.56
53.20
Memory type
GDDR3
System Shared
Maximum RAM amount
512 MB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
850 MHz
System Shared
Memory bandwidth
54.4 GB/s
-
Shared memory
-
-
Display Connectors
No outputs
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