NVIDIA GeForce GTX 660 vs ATI Mobility Radeon HD 4650

Comparative analysis of NVIDIA GeForce GTX 660 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), 3DMark Fire Strike - Graphics Score.

NVIDIA GeForce GTX 660

ATI Mobility Radeon HD 4650

Differences

Reasons to consider the NVIDIA GeForce GTX 660

Videocard is newer: launch date 3 year(s) 7 month(s) later
Around 96% higher core clock speed: 980 MHz vs 500 MHz
4.9x more texture fill rate: 78.4 billion / sec vs 16 GTexel / s
3x more pipelines: 960 vs 320
6.2x better floating-point performance: 1,981 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
10x better performance in PassMark - G3D Mark: 4013 vs 401
Around 51% better performance in PassMark - G2D Mark: 482 vs 320
Around 3% better performance in GFXBench 4.0 - T-Rex (Frames): 3365 vs 3262
Around 3% better performance in GFXBench 4.0 - T-Rex (Fps): 3365 vs 3262

Specifications (specs)
Launch date	6 September 2012 vs 9 January 2009
Core clock speed	980 MHz vs 500 MHz
Texture fill rate	78.4 billion / sec vs 16 GTexel / s
Pipelines	960 vs 320
Floating-point performance	1,981 gflops vs 320.0 gflops
Manufacturing process technology	28 nm vs 55 nm
Maximum memory size	2 GB vs 512 MB
Benchmarks
PassMark - G3D Mark	4013 vs 401
PassMark - G2D Mark	482 vs 320
GFXBench 4.0 - T-Rex (Frames)	3365 vs 3262
GFXBench 4.0 - T-Rex (Fps)	3365 vs 3262

Reasons to consider the ATI Mobility Radeon HD 4650

4x lower typical power consumption: 35 Watt vs 140 Watt
200x more memory clock speed: 1200 MHz vs 6.0 GB/s

Thermal Design Power (TDP)	35 Watt vs 140 Watt
Memory clock speed	1200 MHz vs 6.0 GB/s

Compare benchmarks

GPU 1: NVIDIA GeForce GTX 660
GPU 2: ATI Mobility Radeon HD 4650

PassMark - G3D Mark

GPU 1

GPU 2

4013

401

PassMark - G2D Mark

GPU 1

GPU 2

482

320

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

3365

3262

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

3365

3262

Name	NVIDIA GeForce GTX 660	ATI Mobility Radeon HD 4650
PassMark - G3D Mark	4013	401
PassMark - G2D Mark	482	320
Geekbench - OpenCL	11373
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	30.505
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	705.293
CompuBench 1.5 Desktop - T-Rex (Frames/s)	3.085
CompuBench 1.5 Desktop - Video Composition (Frames/s)	35.416
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	62.69
GFXBench 4.0 - Car Chase Offscreen (Frames)	3581
GFXBench 4.0 - Manhattan (Frames)	3690
GFXBench 4.0 - T-Rex (Frames)	3365	3262
GFXBench 4.0 - Car Chase Offscreen (Fps)	3581
GFXBench 4.0 - Manhattan (Fps)	3690
GFXBench 4.0 - T-Rex (Fps)	3365	3262
3DMark Fire Strike - Graphics Score	1308

Compare specifications (specs)

	NVIDIA GeForce GTX 660	ATI Mobility Radeon HD 4650
Essentials
Architecture	Kepler	TeraScale
Code name	GK106	M96
Launch date	6 September 2012	9 January 2009
Launch price (MSRP)	$229
Place in performance rating	768	771
Price now	$349.99
Type	Desktop	Laptop
Value for money (0-100)	14.35
Technical info
Boost clock speed	1033 MHz
Core clock speed	980 MHz	500 MHz
CUDA cores	960
Floating-point performance	1,981 gflops	320.0 gflops
Manufacturing process technology	28 nm	55 nm
Pipelines	960	320
Texture fill rate	78.4 billion / sec	16 GTexel / s
Thermal Design Power (TDP)	140 Watt	35 Watt
Transistor count	2,540 million	514 million
Video outputs and ports
Audio input for HDMI	Internal
Display Connectors	One Dual Link DVI-I, One Dual Link DVI-D, One HDMI..., 2x DVI, 1x HDMI, 1x DisplayPort	No outputs
G-SYNC support
HDCP
HDMI
Maximum VGA resolution	2048x1536
Multi monitor support
Compatibility, dimensions and requirements
Bus support	PCI Express 3.0
Height	4.376" (11.1 cm)
Interface	PCIe 3.0 x16	PCIe 2.0 x16
Length	9.5" (24.1 cm)
Supplementary power connectors	One 6-pin
Laptop size		medium sized
API support
DirectX	12.0 (11_0)	10.1
OpenGL	4.3	3.3
Memory
Maximum RAM amount	2 GB	512 MB
Memory bandwidth	144.2 GB / s	19.2 GB / s
Memory bus width	192-bit GDDR5	128 Bit
Memory clock speed	6.0 GB/s	1200 MHz
Memory type	GDDR5	GDDR3, DDR2, DDR3
Shared memory		0
Technologies
3D Blu-Ray
3D Gaming
3D Vision
Adaptive VSync
CUDA
FXAA
GPU Boost
SLI
TXAA
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