NVIDIA GeForce GTX 880M vs NVIDIA GeForce GTX 660

Comparative analysis of NVIDIA GeForce GTX 880M and NVIDIA GeForce GTX 660 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 880M

NVIDIA GeForce GTX 660

Differences

Reasons to consider the NVIDIA GeForce GTX 880M

Videocard is newer: launch date 1 year(s) 6 month(s) later
Around 62% higher texture fill rate: 127.1 GTexel / s vs 78.4 billion / sec
Around 60% higher pipelines: 1536 vs 960
Around 54% better floating-point performance: 3,050 gflops vs 1,981 gflops
Around 15% lower typical power consumption: 122 Watt vs 140 Watt
4x more maximum memory size: 8 GB vs 2 GB
Around 32% better performance in Geekbench - OpenCL: 15023 vs 11374
Around 52% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 46.273 vs 30.505
Around 10% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 777.677 vs 705.293
Around 27% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 3.914 vs 3.085
Around 8% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 38.196 vs 35.416
Around 32% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 82.511 vs 62.69
Around 26% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 4501 vs 3581
Around 1% better performance in GFXBench 4.0 - Manhattan (Frames): 3718 vs 3690
Around 26% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 4501 vs 3581
Around 1% better performance in GFXBench 4.0 - Manhattan (Fps): 3718 vs 3690
Around 23% better performance in 3DMark Fire Strike - Graphics Score: 1611 vs 1307

Specifications (specs)
Launch date	12 March 2014 vs 6 September 2012
Texture fill rate	127.1 GTexel / s vs 78.4 billion / sec
Pipelines	1536 vs 960
Floating-point performance	3,050 gflops vs 1,981 gflops
Thermal Design Power (TDP)	122 Watt vs 140 Watt
Maximum memory size	8 GB vs 2 GB
Benchmarks
Geekbench - OpenCL	15023 vs 11374
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	46.273 vs 30.505
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	777.677 vs 705.293
CompuBench 1.5 Desktop - T-Rex (Frames/s)	3.914 vs 3.085
CompuBench 1.5 Desktop - Video Composition (Frames/s)	38.196 vs 35.416
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	82.511 vs 62.69
GFXBench 4.0 - Car Chase Offscreen (Frames)	4501 vs 3581
GFXBench 4.0 - Manhattan (Frames)	3718 vs 3690
GFXBench 4.0 - Car Chase Offscreen (Fps)	4501 vs 3581
GFXBench 4.0 - Manhattan (Fps)	3718 vs 3690
3DMark Fire Strike - Graphics Score	1611 vs 1307

Reasons to consider the NVIDIA GeForce GTX 660

Around 3% higher core clock speed: 980 MHz vs 954 MHz
Around 4% higher boost clock speed: 1033 MHz vs 993 MHz
Around 5% better performance in PassMark - G3D Mark: 4000 vs 3818
Around 44% better performance in PassMark - G2D Mark: 479 vs 333

Specifications (specs)
Core clock speed	980 MHz vs 954 MHz
Boost clock speed	1033 MHz vs 993 MHz
Benchmarks
PassMark - G3D Mark	4000 vs 3818
PassMark - G2D Mark	479 vs 333
GFXBench 4.0 - T-Rex (Frames)	3365 vs 3356
GFXBench 4.0 - T-Rex (Fps)	3365 vs 3356

Compare benchmarks

GPU 1: NVIDIA GeForce GTX 880M
GPU 2: NVIDIA GeForce GTX 660

PassMark - G3D Mark

GPU 1

GPU 2

3818

4000

PassMark - G2D Mark

GPU 1

GPU 2

333

479

Geekbench - OpenCL

GPU 1

GPU 2

15023

11374

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

GPU 1

GPU 2

46.273

30.505

CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)

GPU 1

GPU 2

777.677

705.293

CompuBench 1.5 Desktop - T-Rex (Frames/s)

GPU 1

GPU 2

3.914

3.085

CompuBench 1.5 Desktop - Video Composition (Frames/s)

GPU 1

GPU 2

38.196

35.416

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

GPU 1

GPU 2

82.511

62.69

GFXBench 4.0 - Car Chase Offscreen (Frames)

GPU 1

GPU 2

4501

3581

GFXBench 4.0 - Manhattan (Frames)

GPU 1

GPU 2

3718

3690

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

3356

3365

GFXBench 4.0 - Car Chase Offscreen (Fps)

GPU 1

GPU 2

4501

3581

GFXBench 4.0 - Manhattan (Fps)

GPU 1

GPU 2

3718

3690

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

3356

3365

3DMark Fire Strike - Graphics Score

GPU 1

GPU 2

1611

1307

Name	NVIDIA GeForce GTX 880M	NVIDIA GeForce GTX 660
PassMark - G3D Mark	3818	4000
PassMark - G2D Mark	333	479
Geekbench - OpenCL	15023	11374
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	46.273	30.505
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	777.677	705.293
CompuBench 1.5 Desktop - T-Rex (Frames/s)	3.914	3.085
CompuBench 1.5 Desktop - Video Composition (Frames/s)	38.196	35.416
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	82.511	62.69
GFXBench 4.0 - Car Chase Offscreen (Frames)	4501	3581
GFXBench 4.0 - Manhattan (Frames)	3718	3690
GFXBench 4.0 - T-Rex (Frames)	3356	3365
GFXBench 4.0 - Car Chase Offscreen (Fps)	4501	3581
GFXBench 4.0 - Manhattan (Fps)	3718	3690
GFXBench 4.0 - T-Rex (Fps)	3356	3365
3DMark Fire Strike - Graphics Score	1611	1307

Compare specifications (specs)

	NVIDIA GeForce GTX 880M	NVIDIA GeForce GTX 660
Essentials
Architecture	Kepler	Kepler
Code name	GK104	GK106
Launch date	12 March 2014	6 September 2012
Place in performance rating	773	774
Type	Laptop	Desktop
Launch price (MSRP)		$229
Price now		$349.99
Value for money (0-100)		14.35
Technical info
Boost clock speed	993 MHz	1033 MHz
Core clock speed	954 MHz	980 MHz
CUDA cores	1536	960
Floating-point performance	3,050 gflops	1,981 gflops
Manufacturing process technology	28 nm	28 nm
Pipelines	1536	960
Texture fill rate	127.1 GTexel / s	78.4 billion / sec
Thermal Design Power (TDP)	122 Watt	140 Watt
Transistor count	3,540 million	2,540 million
Video outputs and ports
7.1 channel HD audio on HDMI
Display Connectors	No outputs	One Dual Link DVI-I, One Dual Link DVI-D, One HDMI..., 2x DVI, 1x HDMI, 1x DisplayPort
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
Audio input for HDMI		Internal
G-SYNC support
HDCP
Maximum VGA resolution		2048x1536
Multi monitor support
Compatibility, dimensions and requirements
Bus support	PCI Express 2.0, PCI Express 3.0	PCI Express 3.0
Interface	MXM-B (3.0)	PCIe 3.0 x16
Laptop size	large
Supplementary power connectors	None	One 6-pin
Height		4.376" (11.1 cm)
Length		9.5" (24.1 cm)
API support
DirectX	12.0 (11_0)	12.0 (11_0)
OpenCL	1.1
OpenGL	4.5	4.3
Memory
Maximum RAM amount	8 GB	2 GB
Memory bandwidth	160.0 GB / s	144.2 GB / s
Memory bus width	256 Bit	192-bit GDDR5
Memory type	GDDR5	GDDR5
Shared memory	0
Standard memory configuration	GDDR5
Memory clock speed		6.0 GB/s
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
3D Gaming
3D Vision
Adaptive VSync