GeForce 8400 GS and Radeon HD 3870 - video card comparison
Passmark - benchmark score GeForce 8400 GS vs Radeon HD 3870
GeForce 8400 GS
156
Radeon HD 3870
572
GeForce 8400 GS
Radeon HD 3870
Architecture
Tesla (2006−2010)
TeraScale (2005−2013)
GPU code name
G86
RV670
Market segment
Desktop
Desktop
Release date
April 2007
November 2007
Interface
PCIe 1.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
1x 6-pin
SLI options
+
-
Core clock speed
459 MHz
777 MHz
Floating-point performance
29.376 gflops
497.3 gflops
Manufacturing process technology
80 nm
55 nm
Number of transistors
210 million
666 million
Pipelines / CUDA cores
16
320
Power consumption (TDP)
40 Watt
106 Watt
Texture fill rate
3.6 billion/sec
12.43
Memory type
DDR2
GDDR4
Maximum RAM amount
256 MB
512 MB
Memory bus width
64 Bit
256 Bit
Memory clock speed
800 MHz
2252 MHz
Memory bandwidth
6.4 GB/s
72.06 GB/s
Standard memory config per GPU
256 MB
-
Display Connectors
1x DVI, 1x VGA, 1x S-Video
2x DVI, 1x S-Video
DirectX
11.1 (10_0)
10.1 (10_1)
CUDA
1.1
-
OpenCL
1.1
N/A
OpenGL
2.1
3.3
Shader Model
4.0
4.1
Vulkan
N/A
N/A