Intel Iris Pro Graphics P580 vs AMD Radeon HD 7950 Mac Edition

Comparative analysis of Intel Iris Pro Graphics P580 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, Geekbench - OpenCL, 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).

Intel Iris Pro Graphics P580

AMD Radeon HD 7950 Mac Edition

Differences

Reasons to consider the Intel Iris Pro Graphics P580

Videocard is newer: launch date 2 year(s) 5 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 14 nm vs 28 nm
13.3x lower typical power consumption: 15 Watt vs 200 Watt
21.3x more maximum memory size: 64 GB vs 3 GB

Launch date	1 September 2015 vs 7 March 2013
Manufacturing process technology	14 nm vs 28 nm
Thermal Design Power (TDP)	15 Watt vs 200 Watt
Maximum memory size	64 GB vs 3 GB

Reasons to consider the AMD Radeon HD 7950 Mac Edition

2.7x more core clock speed: 800 MHz vs 300 MHz
24.9x more pipelines: 1792 vs 72

Core clock speed	800 MHz vs 300 MHz
Pipelines	1792 vs 72

Compare benchmarks

GPU 1: Intel Iris Pro Graphics P580
GPU 2: AMD Radeon HD 7950 Mac Edition

Name	Intel Iris Pro Graphics P580	AMD Radeon HD 7950 Mac Edition
PassMark - G3D Mark	2231
PassMark - G2D Mark	509
Geekbench - OpenCL	10006
GFXBench 4.0 - Manhattan (Frames)	1671
GFXBench 4.0 - Manhattan (Fps)	1671
GFXBench 4.0 - T-Rex (Frames)	3175
GFXBench 4.0 - T-Rex (Fps)	3175
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)

	Intel Iris Pro Graphics P580	AMD Radeon HD 7950 Mac Edition
Essentials
Architecture	Generation 9.0	GCN 1.0
Code name	Skylake GT4e	Tahiti
Launch date	1 September 2015	7 March 2013
Place in performance rating	664	667
Type	Laptop	Desktop
Launch price (MSRP)		$449
Technical info
Boost clock speed	1000 MHz
Core clock speed	300 MHz	800 MHz
Manufacturing process technology	14 nm	28 nm
Pipelines	72	1792
Thermal Design Power (TDP)	15 Watt	200 Watt
Transistor count	189 million	4,313 million
Floating-point performance		2,867 gflops
Texture fill rate		89.6 GTexel / s
Video outputs and ports
Display Connectors	No outputs	1x DVI, 1x HDMI, 2x mini-DisplayPort
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x1	PCIe 3.0 x16
Length		279 mm
Supplementary power connectors		2x 6-pin
API support
DirectX	12.0 (12_1)	12.0 (11_1)
OpenGL	4.6	4.5
Memory
Maximum RAM amount	64 GB	3 GB
Memory type	DDR3L / LPDDR3 / DDR4	GDDR5
Shared memory	1
Memory bandwidth		240.0 GB / s
Memory bus width		384 Bit
Memory clock speed		5000 MHz
Technologies
Quick Sync