Radeon R9 M275X and GeForce 8400 GS - video card comparison
Passmark - benchmark score Radeon R9 M275X vs GeForce 8400 GS
Radeon R9 M275X
1583
GeForce 8400 GS
156
Radeon R9 M275X
GeForce 8400 GS
Architecture
GCN 1.0 (2012−2020)
Tesla (2006−2010)
GPU code name
Venus
G86
Market segment
Desktop
Desktop
Release date
January 2014
April 2007
Bus support
PCIe 3.0 x16
-
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Supplementary power connectors
-
None
SLI options
-
+
Boost clock speed
925 MHz
-
Compute units
10
-
Core clock speed
900 MHz
459 MHz
Floating-point performance
1,184 gflops
29.376 gflops
Manufacturing process technology
28 nm
80 nm
Number of transistors
1,500 million
210 million
Pipelines / CUDA cores
640
16
Power consumption (TDP)
-
40 Watt
Texture fill rate
37.00
3.6 billion/sec
Memory type
GDDR5
DDR2
Maximum RAM amount
4 GB
256 MB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1125 MHz
800 MHz
Memory bandwidth
72 GB/s
6.4 GB/s
Standard memory config per GPU
-
256 MB
Display Connectors
No outputs
1x DVI, 1x VGA, 1x S-Video
Eyefinity
1
-
DirectX
DirectX® 11
11.1 (10_0)
CUDA
-
1.1
Mantle
+
-
OpenCL
Not Listed
1.1
OpenGL
4.4
2.1
Shader Model
5.1
4.0
Vulkan
-
N/A
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-