NVIDIA GeForce GTX 670MX vs AMD Radeon HD 6950M

NVIDIA GeForce GTX 670MX
AMD Radeon HD 6950M

General info

Comparison of GeForce GTX 670MX and Radeon HD 6950M architecture, market type and release date.
Place in performance rating
 
Architecture
Kepler
 
TeraScale 2
Code name
GK104
 
Blackcomb
Type
Laptop
 
Laptop
Release date
1 October 2012
 
4 January 2011

Technical specs

GeForce GTX 670MX and Radeon HD 6950M's general performance parameters such as number of shaders, GPU core clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of GeForce GTX 670MX and Radeon HD 6950M's performance, but for precise assessment you have to consider its benchmark and gaming test results.
Pipelines
960
 
960
CUDA cores
960
 
no data
Core clock speed
600 MHz
 
580 MHz
Transistor count
3,540 million
 
1,700 million
Manufacturing process technology
28 nm
 
40 nm
Power consumption (TDP)
75 Watt
 
50 Watt
Texture fill rate
48.0 billion/sec
 
27.84
Floating-point performance
1,154 gflops
 
1,113.6 gflops

Compatibility, dimensions and requirements

Information on GeForce GTX 670MX and Radeon HD 6950M compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.
Laptop size
large
 
large
Bus support
PCI Express 2.0
 
no data
Interface
PCIe 3.0 x16
 
MXM-B (3.0)
SLI options
2-way
 
-

Memory

Parameters of memory installed on GeForce GTX 670MX and Radeon HD 6950M: its type, size, bus, clock and resulting bandwidth. Note that GPUs integrated into processors don't have dedicated memory and use a shared part of system RAM.
Memory type
GDDR5
 
GDDR5
Maximum RAM amount
3 GB
 
1 GB
Memory bus width
192 Bit
 
256 Bit
Memory clock speed
1400 MHz
 
3600 MHz
Memory bandwidth
67.2 GB/s
 
115.2 GB/s
Shared memory
-
 
-

Video outputs and ports

Types and number of video connectors present on GeForce GTX 670MX and Radeon HD 6950M. As a rule, this section is relevant only for desktop reference video cards, since for notebook ones the availability of certain video outputs depends on the laptop model.
Display Connectors
No outputs
 
No outputs
HDMI
+
 
-
HDCP
+
 
-
Maximum VGA resolution
Up to 2048x1536
 
no data

Technologies

Technological solutions and APIs supported by GeForce GTX 670MX and Radeon HD 6950M. You'll probably need this information if you need some particular technology for your purposes.
3D Vision
+
 
-
Optimus
+
 
-
3D Vision / 3DTV Play
+
 
-
CUDA
+
 
-
SLI
+
 
no data
DirectX 11
DirectX 11
 
no data
FXAA
+
 
no data
TXAA
+
 
no data
Adaptive VSync
+
 
no data
Verde Drivers
+
 
no data

API support

APIs supported by GeForce GTX 670MX and Radeon HD 6950M, sometimes including their particular versions.
DirectX
12 API
 
11.2 (11_0)
OpenGL
4.5
 
4.4
OpenCL
1.1
 
no data

Benchmark performance

Non-gaming benchmarks performance of GeForce GTX 670MX and Radeon HD 6950M. Note that overall benchmark performance is measured in points in 0-100 range.

Overall benchmark performance

GTX 670MX 8.17 +29.3%
HD 6950M 6.32

3DMark 11 Performance GPU

GTX 670MX 3587 +46.3%
HD 6950M 2452

3DMark Vantage Performance

GTX 670MX 14530 +43.5%
HD 6950M 10122

Gaming performance

Let's see how good GeForce GTX 670MX and Radeon HD 6950M are for gaming. Particular gaming benchmark results are measured in FPS.

Advantages of NVIDIA GeForce GTX 670MX

29.3% faster in synthetic tests
Much newer (1 October 2012 vs 4 January 2011)
Finer manufacturing process technology (28 vs 40 nm)
Optimus (lowers energy usage by automatically switching between integrated and discrete NVIDIA GPU. Similar to AMD Enduro)
SLI (Scalable Link Interface - a technology for uniting several NVIDIA GPUs processing power in one PC)
PhysX (hardware acceleration of physical simulation engine named PhysX)
Verde Drivers
CUDA (Compute Unified Device Architecture - an API for video card computing power usage in tasks different from 3D graphics processing. Can be used for physics simulation for instance)
3D Vision
3DTV Play
DirectX 11
Adaptive VSync
TXAA
FXAA
HDMI
HDCP
3D Vision Surround
Optimus Support

Advantages of AMD Radeon HD 6950M

Wider memory bus (256 vs 192 bit)
Higher memory bandwidth (115.2 vs 67.2 GB/s)
Less power hungry (50 vs 75 watts)

So, GTX 670MX or HD 6950M?

Judging by the results of synthetic and gaming tests, Technical City recommends NVIDIA GeForce GTX 670MX.
Should you still have questions on choice between GeForce GTX 670MX and Radeon HD 6950M, ask them in Comments section, and we shall answer.

Cast your vote

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favourite video card.
NVIDIA GeForce GTX 670MX
AMD Radeon HD 6950M
Like
Like

User rating

Here you can see the user rating of the video card, as well as rate it yourself.

Advices and comments

Here you can ask a question about GeForce GTX 670MX or Radeon HD 6950M, agree or disagree with our judgements, or report an error or mismatch.