AMD Radeon R5 M320 vs ATI Radeon HD 3870

Comparative analysis of AMD Radeon R5 M320 and ATI Radeon HD 3870 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, CompuBench 1.5 Desktop - Face Detection (mPixels/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), Geekbench - OpenCL, GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

AMD Radeon R5 M320

ATI Radeon HD 3870

Differences

Reasons to consider the AMD Radeon R5 M320

Videocard is newer: launch date 7 year(s) 5 month(s) later
Around 38% higher texture fill rate: 17.1 GTexel / s vs 12.43 GTexel / s
Around 10% better floating-point performance: 547.2 gflops vs 497.3 gflops
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 55 nm
8x more maximum memory size: 4 GB vs 512 MB
2.4x better performance in PassMark - G2D Mark: 140 vs 58

Specifications (specs)
Launch date	5 May 2015 vs 19 November 2007
Core clock speed	780 MHz vs 777 MHz
Texture fill rate	17.1 GTexel / s vs 12.43 GTexel / s
Floating-point performance	547.2 gflops vs 497.3 gflops
Manufacturing process technology	28 nm vs 55 nm
Maximum memory size	4 GB vs 512 MB
Benchmarks
PassMark - G2D Mark	140 vs 58

Reasons to consider the ATI Radeon HD 3870

2.3x more memory clock speed: 2252 MHz vs 1000 MHz
Around 22% better performance in PassMark - G3D Mark: 555 vs 455

Specifications (specs)
Memory clock speed	2252 MHz vs 1000 MHz
Benchmarks
PassMark - G3D Mark	555 vs 455

Compare benchmarks

GPU 1: AMD Radeon R5 M320
GPU 2: ATI Radeon HD 3870

PassMark - G3D Mark

GPU 1

GPU 2

455

555

PassMark - G2D Mark

GPU 1

GPU 2

140

Name	AMD Radeon R5 M320	ATI Radeon HD 3870
PassMark - G3D Mark	455	555
PassMark - G2D Mark	140	58
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	12.564
GFXBench 4.0 - Car Chase Offscreen (Frames)	1202
GFXBench 4.0 - Car Chase Offscreen (Fps)	1202
Geekbench - OpenCL	5002
GFXBench 4.0 - T-Rex (Frames)		3131
GFXBench 4.0 - T-Rex (Fps)		3131

Compare specifications (specs)

	AMD Radeon R5 M320	ATI Radeon HD 3870
Essentials
Architecture	GCN 1.0	TeraScale
Code name	Jet	RV670
Design	AMD Radeon R5 300 Series
Launch date	5 May 2015	19 November 2007
Place in performance rating	1395	1392
Type	Desktop	Desktop
Launch price (MSRP)		$269
Technical info
Boost clock speed	855 MHz
Compute units	5
Core clock speed	780 MHz	777 MHz
Floating-point performance	547.2 gflops	497.3 gflops
Manufacturing process technology	28 nm	55 nm
Pipelines	320	320
Texture fill rate	17.1 GTexel / s	12.43 GTexel / s
Transistor count	1,040 million	666 million
Thermal Design Power (TDP)		106 Watt
Video outputs and ports
Display Connectors	No outputs	2x DVI, 1x S-Video
Compatibility, dimensions and requirements
Bus support	PCIe 3.0
Interface	PCIe 3.0 x8	PCIe 2.0 x16
Length		241 mm
Supplementary power connectors		1x 6-pin
API support
DirectX	12	10.0
Mantle
OpenCL	Not Listed
OpenGL	4.4	3.3
Vulkan
Memory
Maximum RAM amount	4 GB	512 MB
Memory bandwidth	16 GB / s	72.1 GB / s
Memory bus width	64 bit	256 Bit
Memory clock speed	1000 MHz	2252 MHz
Memory type	DDR3	GDDR4
Shared memory	0
Technologies
DualGraphics
HD3D
PowerTune
Switchable graphics
ZeroCore