Radeon HD 3850 AGP and GeForce 8400 GS - video card comparison
Passmark - benchmark score Radeon HD 3850 AGP vs GeForce 8400 GS
Radeon HD 3850 AGP
445
GeForce 8400 GS
156
Radeon HD 3850 AGP
GeForce 8400 GS
Architecture
TeraScale (2005−2013)
Tesla (2006−2010)
GPU code name
RV670
G86
Market segment
Desktop
Desktop
Release date
January 2008
April 2007
Interface
AGP 8x
PCIe 1.0 x16
Supplementary power connectors
1x 8-pin
None
SLI options
-
+
Core clock speed
668 MHz
459 MHz
Floating-point performance
427.5 gflops
29.376 gflops
Manufacturing process technology
55 nm
80 nm
Number of transistors
666 million
210 million
Pipelines / CUDA cores
320
16
Power consumption (TDP)
75 Watt
40 Watt
Texture fill rate
10.69
3.6 billion/sec
Memory type
GDDR3
DDR2
Maximum RAM amount
512 MB
256 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
1656 MHz
800 MHz
Memory bandwidth
52.99 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
N/A
1.1
OpenGL
3.3
2.1
Shader Model
4.1
4.0
Vulkan
N/A
N/A