AMD Radeon E8870 vs ATI Radeon HD 2900 XT

Comparative analysis of AMD Radeon E8870 and ATI Radeon HD 2900 XT 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: PassMark - G3D Mark, PassMark - G2D Mark, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

AMD Radeon E8870

ATI Radeon HD 2900 XT

Differences

Reasons to consider the AMD Radeon E8870

Videocard is newer: launch date 8 year(s) 4 month(s) later
Around 35% higher core clock speed: 1000 MHz vs 743 MHz
4x more texture fill rate: 48 GTexel / s vs 11.89 GTexel / s
2.4x more pipelines: 768 vs 320
3.2x better floating-point performance: 1,536 gflops vs 475.5 gflops
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 80 nm
2.9x lower typical power consumption: 75 Watt vs 215 Watt
8x more maximum memory size: 4 GB vs 512 MB
3.6x more memory clock speed: 6000 MHz vs 1656 MHz
5.1x better performance in PassMark - G3D Mark: 3368 vs 660
Around 78% better performance in PassMark - G2D Mark: 708 vs 397

Specifications (specs)
Launch date	29 September 2015 vs 14 May 2007
Core clock speed	1000 MHz vs 743 MHz
Texture fill rate	48 GTexel / s vs 11.89 GTexel / s
Pipelines	768 vs 320
Floating-point performance	1,536 gflops vs 475.5 gflops
Manufacturing process technology	28 nm vs 80 nm
Thermal Design Power (TDP)	75 Watt vs 215 Watt
Maximum memory size	4 GB vs 512 MB
Memory clock speed	6000 MHz vs 1656 MHz
Benchmarks
PassMark - G3D Mark	3368 vs 660
PassMark - G2D Mark	708 vs 397

Compare benchmarks

GPU 1: AMD Radeon E8870
GPU 2: ATI Radeon HD 2900 XT

PassMark - G3D Mark

GPU 1

GPU 2

3368

660

PassMark - G2D Mark

GPU 1

GPU 2

708

397

Name	AMD Radeon E8870	ATI Radeon HD 2900 XT
PassMark - G3D Mark	3368	660
PassMark - G2D Mark	708	397
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	36.948
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	874.689
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.11
GFXBench 4.0 - Car Chase Offscreen (Frames)	4620
GFXBench 4.0 - Manhattan (Frames)	5030
GFXBench 4.0 - T-Rex (Frames)	18191
GFXBench 4.0 - Car Chase Offscreen (Fps)	4620
GFXBench 4.0 - Manhattan (Fps)	5030
GFXBench 4.0 - T-Rex (Fps)	18191

Compare specifications (specs)

	AMD Radeon E8870	ATI Radeon HD 2900 XT
Essentials
Architecture	GCN 2.0	TeraScale
Code name	Saturn	R600
Launch date	29 September 2015	14 May 2007
Place in performance rating	341	375
Type	Desktop	Desktop
Launch price (MSRP)		$399
Technical info
Core clock speed	1000 MHz	743 MHz
Floating-point performance	1,536 gflops	475.5 gflops
Manufacturing process technology	28 nm	80 nm
Pipelines	768	320
Texture fill rate	48 GTexel / s	11.89 GTexel / s
Thermal Design Power (TDP)	75 Watt	215 Watt
Transistor count	2,080 million	720 million
Video outputs and ports
Display Connectors	No outputs	2x DVI, 1x S-Video
Compatibility, dimensions and requirements
Interface	MXM-B (3.0)	PCIe 1.0 x16
Supplementary power connectors	None	1x 6-pin + 1x 8-pin
Length		241 mm
API support
DirectX	12.0 (12_0)	10.0
OpenGL	4.5	3.3
Memory
Maximum RAM amount	4 GB	512 MB
Memory bandwidth	96 GB / s	106.0 GB / s
Memory bus width	128 Bit	512 Bit
Memory clock speed	6000 MHz	1656 MHz
Memory type	GDDR5	GDDR3