AMD Radeon HD 7950 Mac Edition vs NVIDIA GeForce GTX 555 OEM

Comparative analysis of AMD Radeon HD 7950 Mac Edition and NVIDIA GeForce GTX 555 OEM videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory. Benchmark videocards performance analysis: 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), PassMark - G2D Mark, PassMark - G3D Mark, Geekbench - OpenCL, GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

AMD Radeon HD 7950 Mac Edition

NVIDIA GeForce GTX 555 OEM

Differences

Reasons to consider the AMD Radeon HD 7950 Mac Edition

Videocard is newer: launch date 1 year(s) 9 month(s) later
Around 9% higher core clock speed: 800 MHz vs 736 MHz
2.5x more texture fill rate: 89.6 GTexel / s vs 35.3 GTexel / s
6.2x more pipelines: 1792 vs 288
3.4x better floating-point performance: 2,867 gflops vs 847.9 gflops
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
3x more maximum memory size: 3 GB vs 1 GB
Around 31% higher memory clock speed: 5000 MHz vs 3828 MHz

Launch date	7 March 2013 vs 14 May 2011
Core clock speed	800 MHz vs 736 MHz
Texture fill rate	89.6 GTexel / s vs 35.3 GTexel / s
Pipelines	1792 vs 288
Floating-point performance	2,867 gflops vs 847.9 gflops
Manufacturing process technology	28 nm vs 40 nm
Maximum memory size	3 GB vs 1 GB
Memory clock speed	5000 MHz vs 3828 MHz

Reasons to consider the NVIDIA GeForce GTX 555 OEM

Around 33% lower typical power consumption: 150 Watt vs 200 Watt

Thermal Design Power (TDP)	150 Watt vs 200 Watt

Compare benchmarks

GPU 1: AMD Radeon HD 7950 Mac Edition
GPU 2: NVIDIA GeForce GTX 555 OEM

Name	AMD Radeon HD 7950 Mac Edition	NVIDIA GeForce GTX 555 OEM
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
PassMark - G2D Mark		447
PassMark - G3D Mark		1572
Geekbench - OpenCL		27378
GFXBench 4.0 - Car Chase Offscreen (Frames)		2879
GFXBench 4.0 - Car Chase Offscreen (Fps)		2879
GFXBench 4.0 - Manhattan (Frames)		3372
GFXBench 4.0 - Manhattan (Fps)		3372
GFXBench 4.0 - T-Rex (Frames)		3322
GFXBench 4.0 - T-Rex (Fps)		3322

Compare specifications (specs)

	AMD Radeon HD 7950 Mac Edition	NVIDIA GeForce GTX 555 OEM
Essentials
Architecture	GCN 1.0	Fermi 2.0
Code name	Tahiti	GF114
Launch date	7 March 2013	14 May 2011
Launch price (MSRP)	$449
Place in performance rating	599	600
Type	Desktop	Desktop
Technical info
Core clock speed	800 MHz	736 MHz
Floating-point performance	2,867 gflops	847.9 gflops
Manufacturing process technology	28 nm	40 nm
Pipelines	1792	288
Texture fill rate	89.6 GTexel / s	35.3 GTexel / s
Thermal Design Power (TDP)	200 Watt	150 Watt
Transistor count	4,313 million	1,950 million
Video outputs and ports
Display Connectors	1x DVI, 1x HDMI, 2x mini-DisplayPort	2x DVI, 1x mini-HDMI
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x16	PCIe 2.0 x16
Length	279 mm	210 mm
Supplementary power connectors	2x 6-pin	2x 6-pin
API support
DirectX	12.0 (11_1)	12.0 (11_0)
OpenGL	4.5	4.6
Memory
Maximum RAM amount	3 GB	1 GB
Memory bandwidth	240.0 GB / s	91.9 GB / s
Memory bus width	384 Bit	192 Bit
Memory clock speed	5000 MHz	3828 MHz
Memory type	GDDR5	GDDR5