GeForce 8400 GS and Radeon R7 Graphics - video card comparison
GeForce 8400 GS
Radeon R7 Graphics
Architecture
Tesla (2006−2010)
GCN 2.0 (2013−2017)
GPU code name
G86
Spectre
Market segment
Desktop
Desktop
Release date
April 2007
January 2014
Interface
PCIe 1.0 x16
IGP
Supplementary power connectors
None
-
SLI options
+
-
Boost clock speed
-
980 MHz
Core clock speed
459 MHz
686 MHz
Floating-point performance
29.376 gflops
526.8 gflops
Manufacturing process technology
80 nm
28 nm
Number of transistors
210 million
2,410 million
Pipelines / CUDA cores
16
512
Power consumption (TDP)
40 Watt
15 Watt
Texture fill rate
3.6 billion/sec
31.36
Memory type
DDR2
System Shared
Maximum RAM amount
256 MB
System Shared
Memory bus width
64 Bit
System Shared
Memory clock speed
800 MHz
System Shared
Memory bandwidth
6.4 GB/s
-
Standard memory config per GPU
256 MB
-
Display Connectors
1x DVI, 1x VGA, 1x S-Video
No outputs
DirectX
11.1 (10_0)
12 (12_0)
CUDA
1.1
-
OpenCL
1.1
2.0
OpenGL
2.1
4.6
Shader Model
4.0
6.0
Vulkan
N/A
1.2.131