GeForce 8400 GS and Radeon Instinct Vega - video card comparison
GeForce 8400 GS
Radeon Instinct Vega
Architecture
Tesla (2006−2010)
GCN 5.1 (2018−2021)
GPU code name
G86
Vega 20
Market segment
Desktop
Desktop
Release date
April 2007
-
Interface
PCIe 1.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
2x 8-pin
SLI options
+
-
Boost clock speed
-
1500 MHz
Core clock speed
459 MHz
1000 MHz
Floating-point performance
29.376 gflops
-
Manufacturing process technology
80 nm
7 nm
Number of transistors
210 million
-
Pipelines / CUDA cores
16
-
Power consumption (TDP)
40 Watt
225 Watt
Texture fill rate
3.6 billion/sec
-
Memory type
DDR2
-
Maximum RAM amount
256 MB
-
Memory bus width
64 Bit
-
Memory clock speed
800 MHz
2400 MHz
Memory bandwidth
6.4 GB/s
-
Standard memory config per GPU
256 MB
-
Display Connectors
1x DVI, 1x VGA, 1x S-Video
No outputs
DirectX
11.1 (10_0)
12.0 (12_1)
CUDA
1.1
-
OpenCL
1.1
-
OpenGL
2.1
4.6
Shader Model
4.0
-
Vulkan
N/A
-