Radeon HD 8950 OEM and GeForce 9400 GT Rev. 2 - video card comparison
Radeon HD 8950 OEM
GeForce 9400 GT Rev. 2
Architecture
GCN 1.0 (2012−2020)
Tesla (2006−2010)
GPU code name
Tahiti
G96C
Market segment
Desktop
Desktop
Release date
January 2013
August 2008
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
None
Boost clock speed
925 MHz
-
Core clock speed
850 MHz
550 MHz
Floating-point performance
3,315 gflops
44.8 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
4,313 million
314 million
Pipelines / CUDA cores
1792
16
Power consumption (TDP)
200 Watt
50 Watt
Texture fill rate
103.6
4.400
Memory type
GDDR5
GDDR3
Maximum RAM amount
3 GB
512 MB
Memory bus width
384 Bit
128 Bit
Memory clock speed
5000 MHz
800 MHz
Memory bandwidth
240.0 GB/s
12.8 GB/s
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
1x DVI, 1x VGA, 1x S-Video
HDMI
+
-
DirectX
12 (11_1)
11.1 (10_0)
CUDA
-
1.1
OpenCL
1.2
1.1
OpenGL
4.6
3.3
Shader Model
5.1
4.0
Vulkan
1.2.131
N/A