AMD Radeon RX Vega 8 Mobile vs AMD Radeon HD 6990

Comparative analysis of AMD Radeon RX Vega 8 Mobile and AMD Radeon HD 6990 videocards for all known characteristics in the following categories: Essentials, Technical info, Compatibility, dimensions and requirements, Memory, Video outputs and ports, API support. Benchmark videocards performance analysis: PassMark - G2D Mark, PassMark - G3D Mark, Geekbench - OpenCL, GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), 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), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), 3DMark Fire Strike - Graphics Score.

AMD Radeon RX Vega 8 Mobile

AMD Radeon HD 6990

Differences

Reasons to consider the AMD Radeon RX Vega 8 Mobile

Videocard is newer: launch date 6 year(s) 8 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 14 nm vs 40 nm
37.5x lower typical power consumption: 10 Watt vs 375 Watt

Specifications (specs)
Launch date	24 November 2017 vs 8 March 2011
Manufacturing process technology	14 nm vs 40 nm
Thermal Design Power (TDP)	10 Watt vs 375 Watt
Benchmarks
GFXBench 4.0 - T-Rex (Frames)	3359 vs 3356
GFXBench 4.0 - T-Rex (Fps)	3359 vs 3356

Reasons to consider the AMD Radeon HD 6990

2.8x more core clock speed: 830 MHz vs 300 MHz
7.9x more texture fill rate: 2x 79.7 GTexel / s billion / sec vs 35.2 GTexel / s
6x more pipelines: 2x 1536 vs 512
4.5x better floating-point performance: 2x 2,549.8 gflops vs 1,126 gflops
16x more maximum memory size: 2x 2 GB vs 256 MB
6.3x more memory clock speed: 5000 MHz vs 800 MHz
Around 37% better performance in PassMark - G2D Mark: 532 vs 388
2x better performance in PassMark - G3D Mark: 3014 vs 1501
Around 18% better performance in GFXBench 4.0 - Manhattan (Frames): 3713 vs 3157
Around 18% better performance in GFXBench 4.0 - Manhattan (Fps): 3713 vs 3157

Specifications (specs)
Core clock speed	830 MHz vs 300 MHz
Texture fill rate	2x 79.7 GTexel / s billion / sec vs 35.2 GTexel / s
Pipelines	2x 1536 vs 512
Floating-point performance	2x 2,549.8 gflops vs 1,126 gflops
Maximum memory size	2x 2 GB vs 256 MB
Memory clock speed	5000 MHz vs 800 MHz
Benchmarks
PassMark - G2D Mark	532 vs 388
PassMark - G3D Mark	3014 vs 1501
GFXBench 4.0 - Manhattan (Frames)	3713 vs 3157
GFXBench 4.0 - Manhattan (Fps)	3713 vs 3157

Compare benchmarks

GPU 1: AMD Radeon RX Vega 8 Mobile
GPU 2: AMD Radeon HD 6990

PassMark - G2D Mark

GPU 1

GPU 2

388

532

PassMark - G3D Mark

GPU 1

GPU 2

1501

3014

GFXBench 4.0 - Manhattan (Frames)

GPU 1

GPU 2

3157

3713

GFXBench 4.0 - Manhattan (Fps)

GPU 1

GPU 2

3157

3713

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

3359

3356

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

3359

3356

Name	AMD Radeon RX Vega 8 Mobile	AMD Radeon HD 6990
PassMark - G2D Mark	388	532
PassMark - G3D Mark	1501	3014
Geekbench - OpenCL	8941
GFXBench 4.0 - Manhattan (Frames)	3157	3713
GFXBench 4.0 - Manhattan (Fps)	3157	3713
GFXBench 4.0 - T-Rex (Frames)	3359	3356
GFXBench 4.0 - T-Rex (Fps)	3359	3356
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		17.264
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		840.452
CompuBench 1.5 Desktop - T-Rex (Frames/s)		1.76
CompuBench 1.5 Desktop - Video Composition (Frames/s)		53.903
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		265.302
GFXBench 4.0 - Car Chase Offscreen (Frames)		4562
GFXBench 4.0 - Car Chase Offscreen (Fps)		4562
3DMark Fire Strike - Graphics Score		0

Compare specifications (specs)

	AMD Radeon RX Vega 8 Mobile	AMD Radeon HD 6990
Essentials
Architecture	GCN 5.0	TeraScale 3
Code name	Vega	Antilles
Launch date	24 November 2017	8 March 2011
Place in performance rating	669	672
Type	Laptop	Desktop
Launch price (MSRP)		$699
Price now		$159.99
Value for money (0-100)		27.81
Technical info
Boost clock speed	1100 MHz
Core clock speed	300 MHz	830 MHz
Floating-point performance	1,126 gflops	2x 2,549.8 gflops
Manufacturing process technology	14 nm	40 nm
Pipelines	512	2x 1536
Texture fill rate	35.2 GTexel / s	2x 79.7 GTexel / s billion / sec
Thermal Design Power (TDP)	10 Watt	375 Watt
Transistor count	4,500 million	2,640 million
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x16	PCIe 2.0 x16
Length		295 mm
Supplementary power connectors		2x 8-pin
Memory
Maximum RAM amount	256 MB	2x 2 GB
Memory bandwidth	12.8 GB / s	2x 160.0 GB / s
Memory bus width	128 Bit	2x 256 Bit
Memory clock speed	800 MHz	5000 MHz
Memory type	DDR4	GDDR5
Video outputs and ports
Display Connectors		1x DVI, 4x mini-DisplayPort
API support
DirectX		11.2 (11_0)
OpenGL		4.4