GeForce GTX 670 and Radeon HD 7950M - video card comparison
GeForce GTX 670
Radeon HD 7950M
Architecture
Kepler (2012−2018)
GCN (2011−2017)
GPU code name
GK104
Wimbledon Pro
Market segment
Desktop
Laptop
Release date
May 2012
May 2012
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
MXM-B (3.0)
Supplementary power connectors
Two 6-pin
-
SLI options
+
-
Boost clock speed
980 MHz
-
Core clock speed
915 MHz
700 MHz
CUDA cores
1344
-
Floating-point performance
2,459.5 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
3,540 million
2,800 million
Pipelines / CUDA cores
1344
1280
Power consumption (TDP)
170 Watt
50 Watt
Maximum GPU temperature
97 °C
-
Texture fill rate
102.5 billion/sec
56.00
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
4000 MHz
Memory bandwidth
192.2 GB/s
128.0 GB/s
Shared memory
-
-
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
No outputs
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 (11_1)
CUDA
+
-
OpenCL
1.2
1.2
OpenGL
4.2
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
1.2.131
3D Blu-Ray
+
-
3D Gaming
+
-
3D Vision
+
-