AMD Radeon R9 270X vs ATI Mobility Radeon HD 3870

Comparative analysis of AMD Radeon R9 270X and ATI Mobility 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), 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), 3DMark Fire Strike - Graphics Score.

AMD Radeon R9 270X

ATI Mobility Radeon HD 3870

Differences

Reasons to consider the AMD Radeon R9 270X

Videocard is newer: launch date 5 year(s) 4 month(s) later
8x more texture fill rate: 84 GTexel / s vs 10.56 GTexel / s
4x more pipelines: 1280 vs 320
6.4x better floating-point performance: 2,688 gflops vs 422.4 gflops
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 55 nm
4x more maximum memory size: 2 GB vs 512 MB
8.9x better performance in PassMark - G3D Mark: 4869 vs 548
2.1x better performance in PassMark - G2D Mark: 613 vs 288

Specifications (specs)
Launch date	8 October 2013 vs 4 June 2008
Texture fill rate	84 GTexel / s vs 10.56 GTexel / s
Pipelines	1280 vs 320
Floating-point performance	2,688 gflops vs 422.4 gflops
Manufacturing process technology	28 nm vs 55 nm
Maximum memory size	2 GB vs 512 MB
Benchmarks
PassMark - G3D Mark	4869 vs 548
PassMark - G2D Mark	613 vs 288

Reasons to consider the ATI Mobility Radeon HD 3870

3.3x lower typical power consumption: 55 Watt vs 180 Watt

Thermal Design Power (TDP)	55 Watt vs 180 Watt

Compare benchmarks

GPU 1: AMD Radeon R9 270X
GPU 2: ATI Mobility Radeon HD 3870

PassMark - G3D Mark

GPU 1

GPU 2

4869

548

PassMark - G2D Mark

GPU 1

GPU 2

613

288

Name	AMD Radeon R9 270X	ATI Mobility Radeon HD 3870
PassMark - G3D Mark	4869	548
PassMark - G2D Mark	613	288
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	63.87
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	1314.72
CompuBench 1.5 Desktop - T-Rex (Frames/s)	6.354
CompuBench 1.5 Desktop - Video Composition (Frames/s)	85.21
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	315.412
GFXBench 4.0 - Car Chase Offscreen (Frames)	8068
GFXBench 4.0 - Manhattan (Frames)	3706
GFXBench 4.0 - T-Rex (Frames)	3350
GFXBench 4.0 - Car Chase Offscreen (Fps)	8068
GFXBench 4.0 - Manhattan (Fps)	3706
GFXBench 4.0 - T-Rex (Fps)	3350
3DMark Fire Strike - Graphics Score	1772

Compare specifications (specs)

	AMD Radeon R9 270X	ATI Mobility Radeon HD 3870
Essentials
Architecture	GCN 1.0	TeraScale
Code name	Curacao	M88
Design	AMD Radeon R9 200 Series
Launch date	8 October 2013	4 June 2008
Launch price (MSRP)	$199
Place in performance rating	440	565
Price now	$399
Type	Desktop	Laptop
Value for money (0-100)	16.05
Technical info
Boost clock speed	1050 MHz
Floating-point performance	2,688 gflops	422.4 gflops
Manufacturing process technology	28 nm	55 nm
Pipelines	1280	320
Stream Processors	1280
Texture fill rate	84 GTexel / s	10.56 GTexel / s
Thermal Design Power (TDP)	180 Watt	55 Watt
Transistor count	2,800 million	666 million
Core clock speed		660 MHz
Video outputs and ports
Display Connectors	2x DVI, 1x HDMI, 1x DisplayPort	No outputs
DisplayPort support
Dual-link DVI support
Eyefinity
HDMI
VGA
Compatibility, dimensions and requirements
Bus support	PCIe 3.0
Interface	PCIe 3.0 x16	PCIe 2.0 x16
Supplementary power connectors	2 x 6-pin
Laptop size		large
API support
DirectX	12	10.1
OpenGL	4.5	3.3
Vulkan
Memory
Maximum RAM amount	2 GB	512 MB
Memory bandwidth	179.2 GB/s	54.4 GB / s
Memory bus width	256 Bit	256 Bit
Memory type	GDDR5	GDDR3
Shared memory	0	0
Memory clock speed		1700 MHz
Technologies
AMD Eyefinity
AppAcceleration
CrossFire
DDMA audio
FreeSync
HD3D
LiquidVR
TressFX
TrueAudio
Unified Video Decoder (UVD)
PowerPlay 7.0