AMD Radeon R9 M390 vs AMD Radeon HD 8790M

Comparative analysis of AMD Radeon R9 M390 and AMD Radeon HD 8790M videocards for all known characteristics in the following categories: Essentials, API support, Memory, Technologies, Technical info, Video outputs and ports, Compatibility, dimensions and requirements. Benchmark videocards performance analysis: 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), PassMark - G3D Mark, PassMark - G2D Mark, 3DMark Fire Strike - Graphics Score.

AMD Radeon R9 M390

AMD Radeon HD 8790M

Differences

Reasons to consider the AMD Radeon R9 M390

Videocard is newer: launch date 2 year(s) 2 month(s) later
2x more maximum memory size: 4 GB vs 2 GB
4.3x better performance in Geekbench - OpenCL: 20286 vs 4742
3.5x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 44.394 vs 12.759
Around 89% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 881.959 vs 465.631
2.6x better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 4.028 vs 1.576
2.6x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 73.782 vs 28.839
3x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 241.868 vs 80.418
2.9x better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 6227 vs 2181
Around 66% better performance in GFXBench 4.0 - T-Rex (Frames): 3351 vs 2014
2.9x better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 6227 vs 2181
Around 66% better performance in GFXBench 4.0 - T-Rex (Fps): 3351 vs 2014

Specifications (specs)
Launch date	09 June 2015 vs 1 April 2013
Maximum memory size	4 GB vs 2 GB
Benchmarks
Geekbench - OpenCL	20286 vs 4742
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	44.394 vs 12.759
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	881.959 vs 465.631
CompuBench 1.5 Desktop - T-Rex (Frames/s)	4.028 vs 1.576
CompuBench 1.5 Desktop - Video Composition (Frames/s)	73.782 vs 28.839
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	241.868 vs 80.418
GFXBench 4.0 - Car Chase Offscreen (Frames)	6227 vs 2181
GFXBench 4.0 - T-Rex (Frames)	3351 vs 2014
GFXBench 4.0 - Car Chase Offscreen (Fps)	6227 vs 2181
GFXBench 4.0 - T-Rex (Fps)	3351 vs 2014

Reasons to consider the AMD Radeon HD 8790M

2.2x better performance in GFXBench 4.0 - Manhattan (Frames): 2656 vs 1232
2.2x better performance in GFXBench 4.0 - Manhattan (Fps): 2656 vs 1232

Benchmarks
GFXBench 4.0 - Manhattan (Frames)	2656 vs 1232
GFXBench 4.0 - Manhattan (Fps)	2656 vs 1232

Compare benchmarks

GPU 1: AMD Radeon R9 M390
GPU 2: AMD Radeon HD 8790M

Geekbench - OpenCL

GPU 1

GPU 2

20286

4742

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

GPU 1

GPU 2

44.394

12.759

CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)

GPU 1

GPU 2

881.959

465.631

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

GPU 1

GPU 2

4.028

1.576

CompuBench 1.5 Desktop - Video Composition (Frames/s)

GPU 1

GPU 2

73.782

28.839

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

GPU 1

GPU 2

241.868

80.418

GFXBench 4.0 - Car Chase Offscreen (Frames)

GPU 1

GPU 2

6227

2181

GFXBench 4.0 - Manhattan (Frames)

GPU 1

GPU 2

1232

2656

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

3351

2014

GFXBench 4.0 - Car Chase Offscreen (Fps)

GPU 1

GPU 2

6227

2181

GFXBench 4.0 - Manhattan (Fps)

GPU 1

GPU 2

1232

2656

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

3351

2014

Name	AMD Radeon R9 M390	AMD Radeon HD 8790M
Geekbench - OpenCL	20286	4742
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	44.394	12.759
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	881.959	465.631
CompuBench 1.5 Desktop - T-Rex (Frames/s)	4.028	1.576
CompuBench 1.5 Desktop - Video Composition (Frames/s)	73.782	28.839
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	241.868	80.418
GFXBench 4.0 - Car Chase Offscreen (Frames)	6227	2181
GFXBench 4.0 - Manhattan (Frames)	1232	2656
GFXBench 4.0 - T-Rex (Frames)	3351	2014
GFXBench 4.0 - Car Chase Offscreen (Fps)	6227	2181
GFXBench 4.0 - Manhattan (Fps)	1232	2656
GFXBench 4.0 - T-Rex (Fps)	3351	2014
PassMark - G3D Mark		1306
PassMark - G2D Mark		751
3DMark Fire Strike - Graphics Score		1607

Compare specifications (specs)

	AMD Radeon R9 M390	AMD Radeon HD 8790M
Essentials
Architecture	GCN	GCN 1.0
Code name	Pitcairn	Mars
Design	AMD Radeon R9 300 Series	AMD Radeon HD 8000M Series
Launch date	09 June 2015	1 April 2013
Place in performance rating	857	860
Type		Desktop
API support
DirectX	12	11
OpenGL	4.4	4.4
Memory
Maximum RAM amount	4 GB	2 GB
Memory bus width	256 bit	128 Bit
Memory type	GDDR5	GDDR5
Memory bandwidth		64 GB / s
Memory clock speed		4000 MHz
Shared memory		0
Technologies
AMD Eyefinity
DualGraphics
PowerTune
Switchable graphics
ZeroCore
Technical info
Boost clock speed		850 MHz
Compute units		6
Core clock speed		850 MHz
Floating-point performance		691.2 gflops
Manufacturing process technology		28 nm
Pipelines		384
Texture fill rate		21.6 GTexel / s
Transistor count		1,040 million
Video outputs and ports
Display Connectors		No outputs
Compatibility, dimensions and requirements
Interface		MXM-A (3.0)
Laptop size		medium sized
Supplementary power connectors		None