Mobility Radeon HD 3870 X2 and Radeon RX Vega 7 - video card comparison
Mobility Radeon HD 3870 X2
Radeon RX Vega 7
Architecture
RV6xx (2007−2010)
Vega (2017−2021)
GPU code name
M88-XT CF
Vega Raven Ridge
Market segment
Laptop
Laptop
Release date
September 2008
January 2020
Interface
PCIe 2.0 x16
-
Boost clock speed
-
1800 MHz
Core clock speed
660 MHz
-
Floating-point performance
2x 422.4 gflops
-
Manufacturing process technology
55 nm
7 nm
Number of transistors
666 million
-
Pipelines / CUDA cores
640
448
Power consumption (TDP)
110 Watt
15 Watt
Texture fill rate
10.56
-
Memory type
GDDR3
-
Maximum RAM amount
512 MB
-
Memory bus width
256 Bit
-
Memory clock speed
850 MHz
-
Memory bandwidth
54.4 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
-
DirectX
10.1 (10_1)
12_1
OpenCL
N/A
-
OpenGL
3.3
-
Shader Model
4.1
-
Vulkan
N/A
-