NVIDIA GeForce 945M vs ATI Mobility Radeon HD 4650

Comparative analysis of NVIDIA GeForce 945M and ATI Mobility Radeon HD 4650 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).

NVIDIA GeForce 945M

ATI Mobility Radeon HD 4650

Differences

Reasons to consider the NVIDIA GeForce 945M

Videocard is newer: launch date 6 year(s) 9 month(s) later
2.1x more core clock speed: 1029 MHz vs 500 MHz
Around 86% higher texture fill rate: 29.81 GTexel / s vs 16 GTexel / s
Around 60% higher pipelines: 512 vs 320
3x better floating-point performance: 953.9 gflops vs 320.0 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
Around 50% higher memory clock speed: 1800 MHz vs 1200 MHz
5.3x better performance in PassMark - G3D Mark: 2108 vs 401
Around 2% better performance in GFXBench 4.0 - T-Rex (Frames): 3343 vs 3262
Around 2% better performance in GFXBench 4.0 - T-Rex (Fps): 3343 vs 3262

Specifications (specs)
Launch date	27 October 2015 vs 9 January 2009
Core clock speed	1029 MHz vs 500 MHz
Texture fill rate	29.81 GTexel / s vs 16 GTexel / s
Pipelines	512 vs 320
Floating-point performance	953.9 gflops vs 320.0 gflops
Manufacturing process technology	28 nm vs 55 nm
Maximum memory size	2 GB vs 512 MB
Memory clock speed	1800 MHz vs 1200 MHz
Benchmarks
PassMark - G3D Mark	2108 vs 401
GFXBench 4.0 - T-Rex (Frames)	3343 vs 3262
GFXBench 4.0 - T-Rex (Fps)	3343 vs 3262

Reasons to consider the ATI Mobility Radeon HD 4650

2.1x lower typical power consumption: 35 Watt vs 75 Watt
Around 25% better performance in PassMark - G2D Mark: 320 vs 255

Specifications (specs)
Thermal Design Power (TDP)	35 Watt vs 75 Watt
Benchmarks
PassMark - G2D Mark	320 vs 255

Compare benchmarks

GPU 1: NVIDIA GeForce 945M
GPU 2: ATI Mobility Radeon HD 4650

PassMark - G3D Mark

GPU 1

GPU 2

2108

401

PassMark - G2D Mark

GPU 1

GPU 2

255

320

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

3343

3262

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

3343

3262

Name	NVIDIA GeForce 945M	ATI Mobility Radeon HD 4650
PassMark - G3D Mark	2108	401
PassMark - G2D Mark	255	320
Geekbench - OpenCL	8099
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	28.633
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	380.461
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.988
CompuBench 1.5 Desktop - Video Composition (Frames/s)	31.027
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	107.094
GFXBench 4.0 - Car Chase Offscreen (Frames)	2961
GFXBench 4.0 - Manhattan (Frames)	3683
GFXBench 4.0 - T-Rex (Frames)	3343	3262
GFXBench 4.0 - Car Chase Offscreen (Fps)	2961
GFXBench 4.0 - Manhattan (Fps)	3683
GFXBench 4.0 - T-Rex (Fps)	3343	3262

Compare specifications (specs)

	NVIDIA GeForce 945M	ATI Mobility Radeon HD 4650
Essentials
Architecture	Maxwell	TeraScale
Code name	GM107	M96
Launch date	27 October 2015	9 January 2009
Place in performance rating	952	776
Type	Laptop	Laptop
Technical info
Boost clock speed	1085 MHz
Core clock speed	1029 MHz	500 MHz
Floating-point performance	953.9 gflops	320.0 gflops
Manufacturing process technology	28 nm	55 nm
Pipelines	512	320
Texture fill rate	29.81 GTexel / s	16 GTexel / s
Thermal Design Power (TDP)	75 Watt	35 Watt
Transistor count	1,870 million	514 million
Video outputs and ports
Display Connectors	No outputs	No outputs
Compatibility, dimensions and requirements
Bus support	PCI Express 3.0
Interface	MXM-B (3.0)	PCIe 2.0 x16
Laptop size	medium sized	medium sized
Supplementary power connectors	None
API support
DirectX	12.0 (11_0)	10.1
OpenGL	4.5	3.3
Memory
Maximum RAM amount	2 GB	512 MB
Memory bandwidth	16.02 GB / s	19.2 GB / s
Memory bus width	128 Bit	128 Bit
Memory clock speed	1800 MHz	1200 MHz
Memory type	DDR3	GDDR3, DDR2, DDR3
Shared memory	0	0
Technologies
CUDA
GameWorks
GeForce Experience
GPU Boost
Optimus
1x Dual-Link/Single-Link DVI
1x Single-Link DVI Support (all display ports have to be supported by the laptop manufacturer)
DisplayPort support up to 2560x1600
HDMI support up to 1920x1080 (both with 7.1 AC3 Audio)
PCI-E 2.0 x16
Powerplay