Radeon HD 4770 and GeForce 8400 GS - video card comparison
Passmark - benchmark score Radeon HD 4770 vs GeForce 8400 GS
Radeon HD 4770
935
GeForce 8400 GS
156
Radeon HD 4770
GeForce 8400 GS
Architecture
TeraScale (2005−2013)
Tesla (2006−2010)
GPU code name
RV740
G86
Market segment
Desktop
Desktop
Release date
April 2009
April 2007
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
1x 6-pin
None
SLI options
-
+
Core clock speed
750 MHz
459 MHz
Floating-point performance
960.0 gflops
29.376 gflops
Manufacturing process technology
40 nm
80 nm
Number of transistors
826 million
210 million
Pipelines / CUDA cores
640
16
Power consumption (TDP)
80 Watt
40 Watt
Texture fill rate
24.00
3.6 billion/sec
Memory type
GDDR5
DDR2
Maximum RAM amount
512 MB
256 MB
Memory bus width
128 Bit
64 Bit
Memory clock speed
3200 MHz
800 MHz
Memory bandwidth
51.2 GB/s
6.4 GB/s
Standard memory config per GPU
-
256 MB
Display Connectors
2x DVI, 1x S-Video
1x DVI, 1x VGA, 1x S-Video
DirectX
10.1 (10_1)
11.1 (10_0)
CUDA
-
1.1
OpenCL
1.1
1.1
OpenGL
3.3
2.1
Shader Model
4.1
4.0
Vulkan
N/A
N/A