AMD Radeon Pro 455 vs AMD Radeon HD 6870 X2

Comparative analysis of AMD Radeon Pro 455 and AMD Radeon HD 6870 X2 videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory, Technologies. Benchmark videocards performance analysis: PassMark - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL, 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 - 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 Pro 455

AMD Radeon HD 6870 X2

Differences

Reasons to consider the AMD Radeon Pro 455

Videocard is newer: launch date 5 year(s) 3 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 14 nm vs 40 nm
8.6x lower typical power consumption: 35 Watt vs 300 Watt
Around 21% higher memory clock speed: 5080 MHz vs 4200 MHz
Around 58% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 2.854 vs 1.807

Specifications (specs)
Launch date	30 October 2016 vs 8 July 2011
Manufacturing process technology	14 nm vs 40 nm
Thermal Design Power (TDP)	35 Watt vs 300 Watt
Memory clock speed	5080 MHz vs 4200 MHz
Benchmarks
CompuBench 1.5 Desktop - T-Rex (Frames/s)	2.854 vs 1.807

Reasons to consider the AMD Radeon HD 6870 X2

Around 5% higher core clock speed: 900 MHz vs 855 MHz
6.1x more texture fill rate: 2x 50.4 GTexel / s billion / sec vs 41.04 GTexel / s
2.9x more pipelines: 2x 1120 vs 768
3.1x better floating-point performance: 2x 2,016.0 gflops vs 1,313 gflops

Core clock speed	900 MHz vs 855 MHz
Texture fill rate	2x 50.4 GTexel / s billion / sec vs 41.04 GTexel / s
Pipelines	2x 1120 vs 768
Floating-point performance	2x 2,016.0 gflops vs 1,313 gflops

Compare benchmarks

GPU 1: AMD Radeon Pro 455
GPU 2: AMD Radeon HD 6870 X2

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

GPU 1

GPU 2

2.854

1.807

Name	AMD Radeon Pro 455	AMD Radeon HD 6870 X2
PassMark - G3D Mark	3113
PassMark - G2D Mark	705
Geekbench - OpenCL	11003
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	33.484
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	573.646
CompuBench 1.5 Desktop - T-Rex (Frames/s)	2.854	1.807
CompuBench 1.5 Desktop - Video Composition (Frames/s)	44.793
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	148.673
GFXBench 4.0 - Car Chase Offscreen (Frames)	4146
GFXBench 4.0 - Manhattan (Frames)	1762
GFXBench 4.0 - T-Rex (Frames)	3359
GFXBench 4.0 - Car Chase Offscreen (Fps)	4146
GFXBench 4.0 - Manhattan (Fps)	1762
GFXBench 4.0 - T-Rex (Fps)	3359

Compare specifications (specs)

	AMD Radeon Pro 455	AMD Radeon HD 6870 X2
Essentials
Architecture	GCN 4.0	TeraScale 2
Code name	Baffin	Barts
Launch date	30 October 2016	8 July 2011
Place in performance rating	678	1613
Type	Mobile workstation	Desktop
Launch price (MSRP)		$520
Technical info
Core clock speed	855 MHz	900 MHz
Floating-point performance	1,313 gflops	2x 2,016.0 gflops
Manufacturing process technology	14 nm	40 nm
Pipelines	768	2x 1120
Texture fill rate	41.04 GTexel / s	2x 50.4 GTexel / s billion / sec
Thermal Design Power (TDP)	35 Watt	300 Watt
Transistor count	3,000 million	1,700 million
Video outputs and ports
Display Connectors	No outputs	2x DVI, 1x HDMI, 2x mini-DisplayPort
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x8	PCIe 2.0 x16
Laptop size	large
Supplementary power connectors	None
Length		304 mm
API support
DirectX	12.0 (12_0)	11.2 (11_0)
OpenGL	4.5	4.4
Memory
Maximum RAM amount	2 GB	2x 1 GB
Memory bandwidth	81.28 GB / s	2x 134.4 GB / s
Memory bus width	128 Bit	2x 256 Bit
Memory clock speed	5080 MHz	4200 MHz
Memory type	GDDR5	GDDR5
Shared memory	0
Technologies
DisplayPort 1.3 HBR / 1.4 HDR Ready
FreeSync
HDMI 2.0