GeForce 8400 GS Rev. 2 and Radeon HD 7950 Monica BIOS 1 - video card comparison
GeForce 8400 GS Rev. 2
Radeon HD 7950 Monica BIOS 1
Architecture
Tesla (2006−2010)
GCN 1.0 (2012−2020)
GPU code name
G98
Tahiti
Market segment
Desktop
Desktop
Release date
December 2007
January 2012
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
1x 6-pin + 1x 8-pin
Core clock speed
567 MHz
925 MHz
Floating-point performance
22.4 gflops
2,842 gflops
Manufacturing process technology
65 nm
28 nm
Number of transistors
210 million
4,313 million
Pipelines / CUDA cores
8
1536
Power consumption (TDP)
25 Watt
185 Watt
Texture fill rate
4.536
88.80
Memory type
DDR2
GDDR5
Maximum RAM amount
512 MB
3 GB
Memory bus width
64 Bit
384 Bit
Memory clock speed
800 MHz
5000 MHz
Memory bandwidth
6.4 GB/s
240.0 GB/s
Display Connectors
1x DVI, 1x VGA, 1x S-Video
1x DVI, 1x HDMI, 2x mini-DisplayPort
HDMI
-
+
DirectX
11.1 (10_0)
12 (11_1)
CUDA
1.1
-
OpenCL
1.1
1.2
OpenGL
3.3
4.6
Shader Model
4.0
5.1
Vulkan
N/A
1.2.131