GeForce GTX 680 and GeForce 6800 GT - video card comparison
Passmark - benchmark score GeForce GTX 680 vs GeForce 6800 GT
GeForce GTX 680
5721
GeForce 6800 GT
146
GeForce GTX 680
GeForce 6800 GT
Architecture
Kepler (2012−2018)
Curie (2003−2013)
GPU code name
GK104
NV45
Market segment
Desktop
Desktop
Release date
March 2012
June 2004
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Supplementary power connectors
Two 6-pin
1x 6-pin
SLI options
+
-
Boost clock speed
1058 MHz
-
Core clock speed
1006 MHz
350 MHz
CUDA cores
1536
-
Floating-point performance
3,090.4 gflops
-
Manufacturing process technology
28 nm
130 nm
Number of transistors
3,540 million
222 million
Pipelines / CUDA cores
1536
-
Power consumption (TDP)
195 Watt
67 Watt
Texture fill rate
128.8 billion/sec
5.600
Memory type
GDDR5
GDDR3
Maximum RAM amount
2048 MB
256 MB
Memory bus width
256-bit GDDR5
256 Bit
Memory clock speed
6000 MHz
1000 MHz
Memory bandwidth
192.2 GB/s
32 GB/s
Shared memory
-
-
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
2x DVI, 1x S-Video
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
9.0c (9_3)
CUDA
+
-
OpenCL
1.2
N/A
OpenGL
4.2
2.1
Shader Model
5.1
3.0
Vulkan
1.1.126
N/A