AMD Radeon HD 7640G + HD 7670M Dual Graphics vs R2 (Stoney Ridge)

AMD Radeon HD 7640G + HD 7670M Dual Graphics
AMD Radeon R2 (Stoney Ridge)

General info

Comparison of Radeon HD 7640G + HD 7670M Dual Graphics and Radeon R2 (Stoney Ridge) architecture, market type and release date.
Place in performance rating
 
Architecture
Terascale 3
 
GCN 1.2 / 2.0
Code name
n/d
 
Stoney Ridge
Type
Laptop
 
Laptop
Release date
15 May 2012
 
1 June 2016

Technical specs

Radeon HD 7640G + HD 7670M Dual Graphics and Radeon R2 (Stoney Ridge)'s general performance parameters such as number of shaders, GPU core clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of Radeon HD 7640G + HD 7670M Dual Graphics and Radeon R2 (Stoney Ridge)'s performance, but for precise assessment you have to consider its benchmark and gaming test results.
Pipelines
736
 
128
Core clock speed
655 / 600 MHz
 
n/d
Boost Clock
n/d
 
600 MHz
Transistor count
n/d
 
3100 Million
Manufacturing process technology
32 / 40 nm
 
28 nm
Power consumption (TDP)
n/d
 
15 Watt

Compatibility, dimensions and requirements

Information on Radeon HD 7640G + HD 7670M Dual Graphics and Radeon R2 (Stoney Ridge) 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
medium sized
 
n/d

Memory

Parameters of memory installed on Radeon HD 7640G + HD 7670M Dual Graphics and Radeon R2 (Stoney Ridge): 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 bus width
128 Bit
 
64 Bit
Memory clock speed
1800 MHz
 
n/d
Shared memory
+
 
+

API support

APIs supported by Radeon HD 7640G + HD 7670M Dual Graphics and Radeon R2 (Stoney Ridge), sometimes including their particular versions.
DirectX
DirectX 11, Shader 5.0
 
DirectX 12 (FL 12_0)
Vulkan
-
 
+

Benchmark performance

Non-gaming benchmarks performance of Radeon HD 7640G + HD 7670M Dual Graphics and Radeon R2 (Stoney Ridge). Note that overall benchmark performance is measured in points in 0-100 range.

Overall benchmark performance

HD 7640G + HD 7670M Dual Graphics 0.36
R2 (Stoney Ridge) 0.99 +175%

3DMark Cloud Gate GPU

HD 7640G + HD 7670M Dual Graphics 5715 +72%
R2 (Stoney Ridge) 3322

3DMark Fire Strike Score

HD 7640G + HD 7670M Dual Graphics 529 +14.3%
R2 (Stoney Ridge) 463

3DMark Fire Strike Graphics

HD 7640G + HD 7670M Dual Graphics 623 +21.7%
R2 (Stoney Ridge) 512

3DMark 11 Performance GPU

HD 7640G + HD 7670M Dual Graphics 1649 +125.6%
R2 (Stoney Ridge) 731

3DMark Vantage Performance

HD 7640G + HD 7670M Dual Graphics 5049 +136.4%
R2 (Stoney Ridge) 2136

Unigine Heaven 3.0

HD 7640G + HD 7670M Dual Graphics 14 +75%
R2 (Stoney Ridge) 8

Gaming performance

Let's see how good Radeon HD 7640G + HD 7670M Dual Graphics and Radeon R2 (Stoney Ridge) are for gaming. Particular gaming benchmark results are measured in FPS.

Advantages of AMD Radeon HD 7640G + HD 7670M Dual Graphics

Wider memory bus (128 vs 64 bit)
More pipelines (736 vs 128)

Advantages of AMD Radeon R2 (Stoney Ridge)

175% faster (about 3 times) in synthetic tests
Much newer (1 June 2016 vs 15 May 2012)
Finer manufacturing process technology (28 vs 32 nm)
UVD 6
VCE 2.0
Vulkan (a contemporary API for graphics acceleration, based on now-discontinued Mantle)

So, HD 7640G + HD 7670M Dual Graphics or R2 (Stoney Ridge)?

Judging by the results of synthetic and gaming tests, Technical City recommends AMD Radeon R2 (Stoney Ridge).
Should you still have questions on choice between Radeon HD 7640G + HD 7670M Dual Graphics and Radeon R2 (Stoney Ridge), ask them in Comments section, and we shall answer.

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AMD Radeon HD 7640G + HD 7670M Dual Graphics
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