AMD Radeon HD 8990 OEM vs ATI Radeon HD 4850 X2

Comparative analysis of AMD Radeon HD 8990 OEM and ATI Radeon HD 4850 X2 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 - G2D Mark, PassMark - G3D 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), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

AMD Radeon HD 8990 OEM

ATI Radeon HD 4850 X2

Differences

Reasons to consider the AMD Radeon HD 8990 OEM

Videocard is newer: launch date 4 year(s) 5 month(s) later
Around 52% higher core clock speed: 950 MHz vs 625 MHz
9.5x more texture fill rate: 2x 128.0 GTexel / s billion / sec vs 2x 25 GTexel / s billion / sec
2.6x more pipelines: 2x 2048 vs 2x 800
4.1x better floating-point performance: 2x 4,096 gflops vs 2x 1,000.0 gflops
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 55 nm
6x more maximum memory size: 2x 3 GB vs 2x 512 MB
3x more memory clock speed: 6000 MHz vs 1990 MHz
Around 21% better performance in PassMark - G2D Mark: 658 vs 542
4.6x better performance in PassMark - G3D Mark: 5214 vs 1132

Specifications (specs)
Launch date	24 April 2013 vs 7 November 2008
Core clock speed	950 MHz vs 625 MHz
Texture fill rate	2x 128.0 GTexel / s billion / sec vs 2x 25 GTexel / s billion / sec
Pipelines	2x 2048 vs 2x 800
Floating-point performance	2x 4,096 gflops vs 2x 1,000.0 gflops
Manufacturing process technology	28 nm vs 55 nm
Maximum memory size	2x 3 GB vs 2x 512 MB
Memory clock speed	6000 MHz vs 1990 MHz
Benchmarks
PassMark - G2D Mark	658 vs 542
PassMark - G3D Mark	5214 vs 1132

Reasons to consider the ATI Radeon HD 4850 X2

Around 50% lower typical power consumption: 250 Watt vs 375 Watt

Thermal Design Power (TDP)	250 Watt vs 375 Watt

Compare benchmarks

GPU 1: AMD Radeon HD 8990 OEM
GPU 2: ATI Radeon HD 4850 X2

PassMark - G2D Mark

GPU 1

GPU 2

658

542

PassMark - G3D Mark

GPU 1

GPU 2

5214

1132

Name	AMD Radeon HD 8990 OEM	ATI Radeon HD 4850 X2
PassMark - G2D Mark	658	542
PassMark - G3D Mark	5214	1132
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	44.481
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	1984.655
CompuBench 1.5 Desktop - T-Rex (Frames/s)	8.536
CompuBench 1.5 Desktop - Video Composition (Frames/s)	125.504
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	470.237

Compare specifications (specs)

	AMD Radeon HD 8990 OEM	ATI Radeon HD 4850 X2
Essentials
Architecture	GCN 1.0	TeraScale
Code name	Malta	R700
Launch date	24 April 2013	7 November 2008
Launch price (MSRP)	$999	$420
Place in performance rating	320	245
Type	Desktop	Desktop
Technical info
Boost clock speed	1000 MHz
Core clock speed	950 MHz	625 MHz
Floating-point performance	2x 4,096 gflops	2x 1,000.0 gflops
Manufacturing process technology	28 nm	55 nm
Pipelines	2x 2048	2x 800
Texture fill rate	2x 128.0 GTexel / s billion / sec	2x 25 GTexel / s billion / sec
Thermal Design Power (TDP)	375 Watt	250 Watt
Transistor count	4,313 million	956 million
Video outputs and ports
Display Connectors	1x DVI, 4x mini-DisplayPort	4x DVI, 1x S-Video
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x16	PCIe 2.0 x16
Length	307 mm	267 mm
Supplementary power connectors		1x 6-pin + 1x 8-pin
API support
DirectX	12.0 (11_1)	10.1
OpenGL	4.5	3.3
Memory
Maximum RAM amount	2x 3 GB	2x 512 MB
Memory bandwidth	2x 288.0 GB / s	2x 63.7 GB / s
Memory bus width	2x 384 Bit	2x 256 Bit
Memory clock speed	6000 MHz	1990 MHz
Memory type	GDDR5	GDDR3