GeForce GTX 670 and GeForce 8400 GS Rev. 3 - video card comparison
GeForce GTX 670
GeForce 8400 GS Rev. 3
Architecture
Kepler (2012−2018)
Tesla 2.0 (2007−2013)
GPU code name
GK104
GT218
Market segment
Desktop
Desktop
Release date
May 2012
July 2010
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
Two 6-pin
None
SLI options
+
-
Boost clock speed
980 MHz
-
Core clock speed
915 MHz
520 MHz
CUDA cores
1344
-
Floating-point performance
2,459.5 gflops
39.36 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
3,540 million
260 million
Pipelines / CUDA cores
1344
16
Power consumption (TDP)
170 Watt
25 Watt
Maximum GPU temperature
97 °C
-
Texture fill rate
102.5 billion/sec
4.160
Memory type
GDDR5
DDR2
Maximum RAM amount
2 GB
512 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
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_1)
CUDA
+
1.2
OpenCL
1.2
1.1
OpenGL
4.2
3.3
Shader Model
5.1
4.1
Vulkan
1.1.126
N/A
3D Blu-Ray
+
-
3D Gaming
+
-
3D Vision
+
-