GeForce GTX 670 and Radeon HD 6950 - video card comparison
Passmark - benchmark score GeForce GTX 670 vs Radeon HD 6950
GeForce GTX 670
5491
Radeon HD 6950
2693
GeForce GTX 670
Radeon HD 6950
Architecture
Kepler (2012−2018)
TeraScale 3 (2010−2013)
GPU code name
GK104
Cayman
Market segment
Desktop
Desktop
Release date
May 2012
December 2010
Bus support
PCI Express 3.0
PCIe 2.0 x16
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
Two 6-pin
2x 6-pin
SLI options
+
-
Boost clock speed
980 MHz
800 MHz
Core clock speed
915 MHz
-
CUDA cores
1344
-
Floating-point performance
2,459.5 gflops
2,252.8 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
3,540 million
2,640 million
Pipelines / CUDA cores
1344
1408
Power consumption (TDP)
170 Watt
500 Watt
Maximum GPU temperature
97 °C
-
Texture fill rate
102.5 billion/sec
70.40
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
256-bit GDDR5
256 Bit
Memory clock speed
6.0 GB/s
1250 MHz
Memory bandwidth
192.2 GB/s
-
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
2x DVI, 1x HDMI, 2x mini-DisplayPort
Multi monitor support
4 displays
-
Eyefinity
-
1
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
2048x1536
-
DisplayPort support
-
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
DirectX® 11
CUDA
+
-
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.2
4.4
Shader Model
5.1
5.0
Vulkan
1.1.126
-
3D Blu-Ray
+
-
3D Gaming
+
-
3D Vision
+
-
AppAcceleration
-
-
CrossFire
-
1
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-