GeForce GTX 670 and GeForce 8400 GS - video card comparison
Passmark - benchmark score GeForce GTX 670 vs GeForce 8400 GS
GeForce GTX 670
5491
GeForce 8400 GS
156
GeForce GTX 670
GeForce 8400 GS
Architecture
Kepler (2012−2018)
Tesla (2006−2010)
GPU code name
GK104
G86
Market segment
Desktop
Desktop
Release date
May 2012
April 2007
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Supplementary power connectors
Two 6-pin
None
SLI options
+
+
Boost clock speed
980 MHz
-
Core clock speed
915 MHz
459 MHz
CUDA cores
1344
-
Floating-point performance
2,459.5 gflops
29.376 gflops
Manufacturing process technology
28 nm
80 nm
Number of transistors
3,540 million
210 million
Pipelines / CUDA cores
1344
16
Power consumption (TDP)
170 Watt
40 Watt
Maximum GPU temperature
97 °C
-
Texture fill rate
102.5 billion/sec
3.6 billion/sec
Memory type
GDDR5
DDR2
Maximum RAM amount
2 GB
256 MB
Memory bus width
256-bit GDDR5
64 Bit
Memory clock speed
6.0 GB/s
800 MHz
Memory bandwidth
192.2 GB/s
6.4 GB/s
Standard memory config per GPU
-
256 MB
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
1x DVI, 1x VGA, 1x S-Video
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
11.1 (10_0)
CUDA
+
1.1
OpenCL
1.2
1.1
OpenGL
4.2
2.1
Shader Model
5.1
4.0
Vulkan
1.1.126
N/A
3D Blu-Ray
+
-
3D Gaming
+
-
3D Vision
+
-