NVIDIA GeForce GTX 870M vs ATI Mobility Radeon HD 3850

Comparative analysis of NVIDIA GeForce GTX 870M and ATI Mobility Radeon HD 3850 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), 3DMark Fire Strike - Graphics Score.

NVIDIA GeForce GTX 870M

ATI Mobility Radeon HD 3850

Differences

Reasons to consider the NVIDIA GeForce GTX 870M

Videocard is newer: launch date 5 year(s) 9 month(s) later
Around 62% higher core clock speed: 941 MHz vs 580 MHz
11.7x more texture fill rate: 108.3 GTexel / s vs 9.28 GTexel / s
4.2x more pipelines: 1344 vs 320
7x better floating-point performance: 2,599 gflops vs 371.2 gflops
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 55 nm
6x more maximum memory size: 3 GB vs 512 MB
9.6x better performance in PassMark - G3D Mark: 3496 vs 366
Around 13% better performance in PassMark - G2D Mark: 279 vs 248

Specifications (specs)
Launch date	12 March 2014 vs 4 June 2008
Core clock speed	941 MHz vs 580 MHz
Texture fill rate	108.3 GTexel / s vs 9.28 GTexel / s
Pipelines	1344 vs 320
Floating-point performance	2,599 gflops vs 371.2 gflops
Manufacturing process technology	28 nm vs 55 nm
Maximum memory size	3 GB vs 512 MB
Benchmarks
PassMark - G3D Mark	3496 vs 366
PassMark - G2D Mark	279 vs 248

Reasons to consider the ATI Mobility Radeon HD 3850

2.9x lower typical power consumption: 35 Watt vs 100 Watt

Thermal Design Power (TDP)	35 Watt vs 100 Watt

Compare benchmarks

GPU 1: NVIDIA GeForce GTX 870M
GPU 2: ATI Mobility Radeon HD 3850

PassMark - G3D Mark

GPU 1

GPU 2

3496

366

PassMark - G2D Mark

GPU 1

GPU 2

279

248

Name	NVIDIA GeForce GTX 870M	ATI Mobility Radeon HD 3850
PassMark - G3D Mark	3496	366
PassMark - G2D Mark	279	248
Geekbench - OpenCL	12758
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	34.836
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	960.114
CompuBench 1.5 Desktop - T-Rex (Frames/s)	3.038
CompuBench 1.5 Desktop - Video Composition (Frames/s)	59.57
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	81.753
GFXBench 4.0 - Car Chase Offscreen (Frames)	6350
GFXBench 4.0 - Manhattan (Frames)	3718
GFXBench 4.0 - T-Rex (Frames)	3353
GFXBench 4.0 - Car Chase Offscreen (Fps)	6350
GFXBench 4.0 - Manhattan (Fps)	3718
GFXBench 4.0 - T-Rex (Fps)	3353
3DMark Fire Strike - Graphics Score	1336

Compare specifications (specs)

	NVIDIA GeForce GTX 870M	ATI Mobility Radeon HD 3850
Essentials
Architecture	Kepler	TeraScale
Code name	GK104	M88
Launch date	12 March 2014	4 June 2008
Place in performance rating	691	694
Type	Laptop	Laptop
Technical info
Boost clock speed	967 MHz
Core clock speed	941 MHz	580 MHz
CUDA cores	1344
Floating-point performance	2,599 gflops	371.2 gflops
Manufacturing process technology	28 nm	55 nm
Pipelines	1344	320
Texture fill rate	108.3 GTexel / s	9.28 GTexel / s
Thermal Design Power (TDP)	100 Watt	35 Watt
Transistor count	3,540 million	666 million
Video outputs and ports
7.1 channel HD audio on HDMI
Display Connectors	No outputs	No outputs
DisplayPort Multimode (DP++) support	Up to 3840x2160
eDP 1.2 signal support	Up to 3840x2160
HDCP content protection
HDMI
LVDS signal support	Up to 1920x1200
TrueHD and DTS-HD audio bitstreaming
VGA аnalog display support	Up to 2048x1536
HDCP
Compatibility, dimensions and requirements
Bus support	PCI Express 2.0, PCI Express 3.0
Interface	MXM-B (3.0)	PCIe 2.0 x16
Laptop size	large	large
Supplementary power connectors	None
API support
DirectX	12.0 (11_0)	10.1
OpenCL	1.1
OpenGL	4.5	3.3
Memory
Maximum RAM amount	3 GB	512 MB
Memory bandwidth	120.0 GB / s	48.0 GB / s
Memory bus width	192 Bit	256 Bit
Memory type	GDDR5	GDDR3
Shared memory	0	0
Standard memory configuration	GDDR5
Memory clock speed		1500 MHz
Technologies
3D Blu-Ray
BatteryBoost
CUDA
Direct Compute
FXAA
GeForce Experience
GeForce ShadowPlay
GPU Boost
H.264, VC1, MPEG2 1080p video decoder
Optimus
SLI
TXAA