AMD Radeon HD 7950 Mac Edition vs ATI Mobility Radeon HD 4830

Comparative analysis of AMD Radeon HD 7950 Mac Edition and ATI Mobility Radeon HD 4830 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: 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 - G3D Mark, PassMark - G2D Mark.

AMD Radeon HD 7950 Mac Edition

ATI Mobility Radeon HD 4830

Differences

Reasons to consider the AMD Radeon HD 7950 Mac Edition

Videocard is newer: launch date 4 year(s) 0 month(s) later
Around 45% higher core clock speed: 800 MHz vs 550 MHz
5.1x more texture fill rate: 89.6 GTexel / s vs 17.6 GTexel / s
2.8x more pipelines: 1792 vs 640
4.1x better floating-point performance: 2,867 gflops vs 704.0 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 79% higher memory clock speed: 5000 MHz vs 2800 MHz

Launch date	7 March 2013 vs 3 March 2009
Core clock speed	800 MHz vs 550 MHz
Texture fill rate	89.6 GTexel / s vs 17.6 GTexel / s
Pipelines	1792 vs 640
Floating-point performance	2,867 gflops vs 704.0 gflops
Manufacturing process technology	28 nm vs 40 nm
Maximum memory size	3 GB vs 1 GB
Memory clock speed	5000 MHz vs 2800 MHz

Compare benchmarks

GPU 1: AMD Radeon HD 7950 Mac Edition
GPU 2: ATI Mobility Radeon HD 4830

Name	AMD Radeon HD 7950 Mac Edition	ATI Mobility Radeon HD 4830
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 - G3D Mark		512
PassMark - G2D Mark		285

Compare specifications (specs)

	AMD Radeon HD 7950 Mac Edition	ATI Mobility Radeon HD 4830
Essentials
Architecture	GCN 1.0	TeraScale
Code name	Tahiti	M97
Launch date	7 March 2013	3 March 2009
Launch price (MSRP)	$449
Place in performance rating	577	580
Type	Desktop	Laptop
Technical info
Core clock speed	800 MHz	550 MHz
Floating-point performance	2,867 gflops	704.0 gflops
Manufacturing process technology	28 nm	40 nm
Pipelines	1792	640
Texture fill rate	89.6 GTexel / s	17.6 GTexel / s
Thermal Design Power (TDP)	200 Watt
Transistor count	4,313 million	826 million
Video outputs and ports
Display Connectors	1x DVI, 1x HDMI, 2x mini-DisplayPort	No outputs
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x16	PCIe 2.0 x16
Length	279 mm
Supplementary power connectors	2x 6-pin
Laptop size		large
API support
DirectX	12.0 (11_1)	10.1
OpenGL	4.5	3.3
Memory
Maximum RAM amount	3 GB	1 GB
Memory bandwidth	240.0 GB / s	44.8 GB / s
Memory bus width	384 Bit	128 Bit
Memory clock speed	5000 MHz	2800 MHz
Memory type	GDDR5	GDDR3, DDR3
Shared memory		0
Technologies
CrossFire
Powerplay