AMD Radeon RX Vega 8 Mobile vs ATI Radeon HD 3870 X2

Comparative analysis of AMD Radeon RX Vega 8 Mobile and ATI Radeon HD 3870 X2 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).

AMD Radeon RX Vega 8 Mobile

ATI Radeon HD 3870 X2

Differences

Reasons to consider the AMD Radeon RX Vega 8 Mobile

Videocard is newer: launch date 9 year(s) 9 month(s) later
Around 7% better floating-point performance: 1,126 gflops vs 2x 528.0 gflops
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 14 nm vs 55 nm
16.5x lower typical power consumption: 10 Watt vs 165 Watt
3.4x better performance in PassMark - G2D Mark: 399 vs 117
2.6x better performance in PassMark - G3D Mark: 1527 vs 587
Around 1% better performance in GFXBench 4.0 - T-Rex (Frames): 3359 vs 3336
Around 1% better performance in GFXBench 4.0 - T-Rex (Fps): 3359 vs 3336

Specifications (specs)
Launch date	24 November 2017 vs 26 January 2008
Floating-point performance	1,126 gflops vs 2x 528.0 gflops
Manufacturing process technology	14 nm vs 55 nm
Thermal Design Power (TDP)	10 Watt vs 165 Watt
Benchmarks
PassMark - G2D Mark	399 vs 117
PassMark - G3D Mark	1527 vs 587
GFXBench 4.0 - T-Rex (Frames)	3359 vs 3336
GFXBench 4.0 - T-Rex (Fps)	3359 vs 3336

Reasons to consider the ATI Radeon HD 3870 X2

2.8x more core clock speed: 825 MHz vs 300 MHz
6.1x more texture fill rate: 2x 13.2 GTexel / s billion / sec vs 35.2 GTexel / s
Around 25% higher pipelines: 2x 320 vs 512
4x more maximum memory size: 2x 512 MB vs 256 MB
2.3x more memory clock speed: 1802 MHz vs 800 MHz

Core clock speed	825 MHz vs 300 MHz
Texture fill rate	2x 13.2 GTexel / s billion / sec vs 35.2 GTexel / s
Pipelines	2x 320 vs 512
Maximum memory size	2x 512 MB vs 256 MB
Memory clock speed	1802 MHz vs 800 MHz

Compare benchmarks

GPU 1: AMD Radeon RX Vega 8 Mobile
GPU 2: ATI Radeon HD 3870 X2

PassMark - G2D Mark

GPU 1

GPU 2

399

117

PassMark - G3D Mark

GPU 1

GPU 2

1527

587

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

3359

3336

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

3359

3336

Name	AMD Radeon RX Vega 8 Mobile	ATI Radeon HD 3870 X2
PassMark - G2D Mark	399	117
PassMark - G3D Mark	1527	587
Geekbench - OpenCL	8941
GFXBench 4.0 - Manhattan (Frames)	3157
GFXBench 4.0 - Manhattan (Fps)	3157
GFXBench 4.0 - T-Rex (Frames)	3359	3336
GFXBench 4.0 - T-Rex (Fps)	3359	3336

Compare specifications (specs)

	AMD Radeon RX Vega 8 Mobile	ATI Radeon HD 3870 X2
Essentials
Architecture	GCN 5.0	TeraScale
Code name	Vega	R680
Launch date	24 November 2017	26 January 2008
Place in performance rating	665	1211
Type	Laptop	Desktop
Launch price (MSRP)		$449
Technical info
Boost clock speed	1100 MHz
Core clock speed	300 MHz	825 MHz
Floating-point performance	1,126 gflops	2x 528.0 gflops
Manufacturing process technology	14 nm	55 nm
Pipelines	512	2x 320
Texture fill rate	35.2 GTexel / s	2x 13.2 GTexel / s billion / sec
Thermal Design Power (TDP)	10 Watt	165 Watt
Transistor count	4,500 million	666 million
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x16	PCIe 2.0 x16
Length		267 mm
Supplementary power connectors		1x 6-pin + 1x 8-pin
Memory
Maximum RAM amount	256 MB	2x 512 MB
Memory bandwidth	12.8 GB / s	2x 57.7 GB / s
Memory bus width	128 Bit	2x 256 Bit
Memory clock speed	800 MHz	1802 MHz
Memory type	DDR4	GDDR3
Video outputs and ports
Display Connectors		2x DVI, 1x S-Video
API support
DirectX		10.1
OpenGL		3.3