AMD Radeon R9 M270X vs AMD Radeon HD 7950 Mac Edition

Comparative analysis of AMD Radeon R9 M270X and AMD Radeon HD 7950 Mac Edition videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory, Technologies. Benchmark videocards performance analysis: PassMark - G3D Mark, PassMark - G2D Mark, GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

AMD Radeon R9 M270X

AMD Radeon HD 7950 Mac Edition

Differences

Reasons to consider the AMD Radeon R9 M270X

Videocard is newer: launch date 1 year(s) 0 month(s) later
Around 33% higher maximum memory size: 4 GB vs 3 GB

Launch date	21 March 2014 vs 7 March 2013
Maximum memory size	4 GB vs 3 GB

Reasons to consider the AMD Radeon HD 7950 Mac Edition

Around 10% higher core clock speed: 800 MHz vs 725 MHz
Around 87% higher texture fill rate: 89.6 GTexel / s vs 48 GTexel / s
2.3x more pipelines: 1792 vs 768
Around 87% better floating-point performance: 2,867 gflops vs 1,536 gflops
4.4x more memory clock speed: 5000 MHz vs 1125 MHz

Core clock speed	800 MHz vs 725 MHz
Texture fill rate	89.6 GTexel / s vs 48 GTexel / s
Pipelines	1792 vs 768
Floating-point performance	2,867 gflops vs 1,536 gflops
Memory clock speed	5000 MHz vs 1125 MHz

Compare benchmarks

GPU 1: AMD Radeon R9 M270X
GPU 2: AMD Radeon HD 7950 Mac Edition

Name	AMD Radeon R9 M270X	AMD Radeon HD 7950 Mac Edition
PassMark - G3D Mark	1204
PassMark - G2D Mark	306
GFXBench 4.0 - Manhattan (Frames)	3717
GFXBench 4.0 - Manhattan (Fps)	3717
GFXBench 4.0 - T-Rex (Frames)	3361
GFXBench 4.0 - T-Rex (Fps)	3361
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		67.802
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		1230.769
CompuBench 1.5 Desktop - Video Composition (Frames/s)		81.68
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		370.179

Compare specifications (specs)

	AMD Radeon R9 M270X	AMD Radeon HD 7950 Mac Edition
Essentials
Architecture	GCN 1.0	GCN 1.0
Code name	Venus	Tahiti
Design	AMD Radeon R9 200 Series
Launch date	21 March 2014	7 March 2013
Place in performance rating	610	611
Type	Desktop	Desktop
Launch price (MSRP)		$449
Technical info
Boost clock speed	775 MHz
Compute units	10
Core clock speed	725 MHz	800 MHz
Floating-point performance	1,536 gflops	2,867 gflops
Manufacturing process technology	28 nm	28 nm
Pipelines	768	1792
Texture fill rate	48 GTexel / s	89.6 GTexel / s
Transistor count	1,500 million	4,313 million
Thermal Design Power (TDP)		200 Watt
Video outputs and ports
Display Connectors	No outputs	1x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
Compatibility, dimensions and requirements
Bus support	PCIe 3.0 x16
Interface	PCIe 3.0 x16	PCIe 3.0 x16
Length		279 mm
Supplementary power connectors		2x 6-pin
API support
DirectX	11	12.0 (11_1)
Mantle
OpenCL	Not Listed
OpenGL	4.4	4.5
Memory
Maximum RAM amount	4 GB	3 GB
Memory bandwidth	72 GB/s	240.0 GB / s
Memory bus width	128 bit	384 Bit
Memory clock speed	1125 MHz	5000 MHz
Memory type	GDDR5	GDDR5
Technologies
AMD Eyefinity
DualGraphics
FreeSync
HD3D
PowerTune
Switchable graphics
ZeroCore