AMD Radeon HD 8990 OEM vs AMD Radeon HD 7970 X2

Comparative analysis of AMD Radeon HD 8990 OEM and AMD Radeon HD 7970 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

AMD Radeon HD 7970 X2

Differences

Reasons to consider the AMD Radeon HD 8990 OEM

Videocard is newer: launch date 7 month(s) later
Around 3% higher core clock speed: 950 MHz vs 925 MHz
Around 8% better floating-point performance: 2x 4,096 gflops vs 2x 3,789 gflops
Around 33% lower typical power consumption: 375 Watt vs 500 Watt
Around 9% higher memory clock speed: 6000 MHz vs 5500 MHz

Launch date	24 April 2013 vs 31 August 2012
Core clock speed	950 MHz vs 925 MHz
Texture fill rate	2x 128.0 GTexel / s billion / sec vs 2x 118.4 GTexel / s billion / sec
Floating-point performance	2x 4,096 gflops vs 2x 3,789 gflops
Thermal Design Power (TDP)	375 Watt vs 500 Watt
Memory clock speed	6000 MHz vs 5500 MHz

Reasons to consider the AMD Radeon HD 7970 X2

2.1x better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 17.707 vs 8.536

Benchmarks
CompuBench 1.5 Desktop - T-Rex (Frames/s)	17.707 vs 8.536

Compare benchmarks

GPU 1: AMD Radeon HD 8990 OEM
GPU 2: AMD Radeon HD 7970 X2

CompuBench 1.5 Desktop - T-Rex (Frames/s)

GPU 1

GPU 2

8.536

17.707

Name	AMD Radeon HD 8990 OEM	AMD Radeon HD 7970 X2
PassMark - G2D Mark	658
PassMark - G3D Mark	5214
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	17.707
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	AMD Radeon HD 7970 X2
Essentials
Architecture	GCN 1.0	GCN 1.0
Code name	Malta	New Zealand
Launch date	24 April 2013	31 August 2012
Launch price (MSRP)	$999	$899
Place in performance rating	320	321
Type	Desktop	Desktop
Technical info
Boost clock speed	1000 MHz
Core clock speed	950 MHz	925 MHz
Floating-point performance	2x 4,096 gflops	2x 3,789 gflops
Manufacturing process technology	28 nm	28 nm
Pipelines	2x 2048	2x 2048
Texture fill rate	2x 128.0 GTexel / s billion / sec	2x 118.4 GTexel / s billion / sec
Thermal Design Power (TDP)	375 Watt	500 Watt
Transistor count	4,313 million	4,313 million
Video outputs and ports
Display Connectors	1x DVI, 4x mini-DisplayPort	1x DVI, 4x mini-DisplayPort
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x16	PCIe 3.0 x16
Length	307 mm	292 mm
Supplementary power connectors		3x 8-pin
API support
DirectX	12.0 (11_1)	12.0 (11_1)
OpenGL	4.5	4.5
Memory
Maximum RAM amount	2x 3 GB	2x 3 GB
Memory bandwidth	2x 288.0 GB / s	2x 264.0 GB / s
Memory bus width	2x 384 Bit	2x 384 Bit
Memory clock speed	6000 MHz	5500 MHz
Memory type	GDDR5	GDDR5