Intel Iris Pro Graphics P6300 vs ATI Radeon HD 2900 GT

Comparative analysis of Intel Iris Pro Graphics P6300 and ATI Radeon HD 2900 GT 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: 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), PassMark - G2D Mark, PassMark - G3D Mark, Geekbench - OpenCL.

Intel Iris Pro Graphics P6300

ATI Radeon HD 2900 GT

Differences

Reasons to consider the Intel Iris Pro Graphics P6300

Videocard is newer: launch date 6 year(s) 9 month(s) later
Around 33% higher core clock speed: 800 MHz vs 601 MHz
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 14 nm vs 80 nm
10x lower typical power consumption: 15 Watt vs 150 Watt
Around 66% better performance in PassMark - G2D Mark: 572 vs 344
5.6x better performance in PassMark - G3D Mark: 1626 vs 292

Specifications (specs)
Launch date	5 September 2014 vs 6 November 2007
Core clock speed	800 MHz vs 601 MHz
Manufacturing process technology	14 nm vs 80 nm
Thermal Design Power (TDP)	15 Watt vs 150 Watt
Benchmarks
PassMark - G2D Mark	572 vs 344
PassMark - G3D Mark	1626 vs 292

Reasons to consider the ATI Radeon HD 2900 GT

Around 10% better performance in GFXBench 4.0 - T-Rex (Frames): 2648 vs 2418
Around 10% better performance in GFXBench 4.0 - T-Rex (Fps): 2648 vs 2418

Benchmarks
GFXBench 4.0 - T-Rex (Frames)	2648 vs 2418
GFXBench 4.0 - T-Rex (Fps)	2648 vs 2418

Compare benchmarks

GPU 1: Intel Iris Pro Graphics P6300
GPU 2: ATI Radeon HD 2900 GT

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

2418

2648

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

2418

2648

PassMark - G2D Mark

GPU 1

GPU 2

572

344

PassMark - G3D Mark

GPU 1

GPU 2

1626

292

Name	Intel Iris Pro Graphics P6300	ATI Radeon HD 2900 GT
GFXBench 4.0 - Car Chase Offscreen (Frames)	2536
GFXBench 4.0 - Car Chase Offscreen (Fps)	2536
GFXBench 4.0 - Manhattan (Frames)	1586
GFXBench 4.0 - Manhattan (Fps)	1586
GFXBench 4.0 - T-Rex (Frames)	2418	2648
GFXBench 4.0 - T-Rex (Fps)	2418	2648
PassMark - G2D Mark	572	344
PassMark - G3D Mark	1626	292
Geekbench - OpenCL	5885

Compare specifications (specs)

	Intel Iris Pro Graphics P6300	ATI Radeon HD 2900 GT
Essentials
Architecture	Generation 8.0	TeraScale
Code name	Broadwell GT3e	R600
Launch date	5 September 2014	6 November 2007
Place in performance rating	724	777
Type	Desktop	Desktop
Technical info
Boost clock speed	1000 MHz
Core clock speed	800 MHz	601 MHz
Manufacturing process technology	14 nm	80 nm
Thermal Design Power (TDP)	15 Watt	150 Watt
Transistor count	189 million	720 million
Floating-point performance		288.48 gflops
Pipelines		240
Texture fill rate		7.21 GTexel / s
Video outputs and ports
Display Connectors	No outputs	2x DVI, 1x S-Video
Compatibility, dimensions and requirements
Interface	IGP	PCIe 1.0 x16
Supplementary power connectors		1x 8-pin
API support
DirectX	12.0 (11_1)	10.0
OpenGL	4.6	3.3
Memory
Maximum RAM amount		256 MB
Memory bandwidth		51.2 GB / s
Memory bus width		256 Bit
Memory clock speed		1600 MHz
Memory type		GDDR3