Intel Iris Plus Graphics 645 vs ATI Radeon X1900 GT

Comparative analysis of Intel Iris Plus Graphics 645 and ATI Radeon X1900 GT videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, API support, Memory, Technologies, Compatibility, dimensions and requirements. Benchmark videocards performance analysis: Geekbench - OpenCL, PassMark - G2D Mark, PassMark - G3D Mark, GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps).

Intel Iris Plus Graphics 645

ATI Radeon X1900 GT

Differences

Reasons to consider the Intel Iris Plus Graphics 645

Videocard is newer: launch date 13 year(s) 2 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 14 nm vs 90 nm
5x lower typical power consumption: 15 Watt vs 75 Watt
11.8x better performance in PassMark - G3D Mark: 1727 vs 146

Specifications (specs)
Launch date	10 July 2019 vs 1 May 2006
Manufacturing process technology	14 nm vs 90 nm
Thermal Design Power (TDP)	15 Watt vs 75 Watt
Benchmarks
PassMark - G3D Mark	1727 vs 146

Reasons to consider the ATI Radeon X1900 GT

Around 92% higher core clock speed: 575 MHz vs 300 MHz
Around 5% better performance in PassMark - G2D Mark: 409 vs 389

Specifications (specs)
Core clock speed	575 MHz vs 300 MHz
Benchmarks
PassMark - G2D Mark	409 vs 389

Compare benchmarks

GPU 1: Intel Iris Plus Graphics 645
GPU 2: ATI Radeon X1900 GT

PassMark - G2D Mark

GPU 1

GPU 2

389

409

PassMark - G3D Mark

GPU 1

GPU 2

1727

146

Name	Intel Iris Plus Graphics 645	ATI Radeon X1900 GT
Geekbench - OpenCL	6391
PassMark - G2D Mark	389	409
PassMark - G3D Mark	1727	146
GFXBench 4.0 - Manhattan (Frames)	1780
GFXBench 4.0 - Manhattan (Fps)	1780
GFXBench 4.0 - T-Rex (Frames)	2992
GFXBench 4.0 - T-Rex (Fps)	2992
GFXBench 4.0 - Car Chase Offscreen (Frames)	2792
GFXBench 4.0 - Car Chase Offscreen (Fps)	2792

Compare specifications (specs)

	Intel Iris Plus Graphics 645	ATI Radeon X1900 GT
Essentials
Architecture	Intel Gen. 9.5 (Coffee Lake)	R500
Code name	Kaby Lake GT3e	R580
Launch date	10 July 2019	1 May 2006
Place in performance rating	813	388
Type	Laptop	Desktop
Technical info
Boost clock speed	1150 MHz
Core clock speed	300 MHz	575 MHz
Manufacturing process technology	14 nm	90 nm
Pipelines	48
Thermal Design Power (TDP)	15 Watt	75 Watt
Texture fill rate		6.9 GTexel / s
Transistor count		384 million
Video outputs and ports
DisplayPort support
eDP 1.2 signal support	Yes
HDMI
Display Connectors		2x DVI, 1x S-Video
API support
DirectX	12	9.0c
OpenGL		2.0
Memory
Memory type	DDR3/DDR4	GDDR3
Shared memory	Yes
Maximum RAM amount		256 MB
Memory bandwidth		38.4 GB / s
Memory bus width		256 Bit
Memory clock speed		1200 MHz
Technologies
H265/HEVC Decode
Quick Sync
Compatibility, dimensions and requirements
Interface		PCIe 1.0 x16
Supplementary power connectors		1x 6-pin