AMD Radeon R9 270 vs NVIDIA GeForce GTX 660

Comparative analysis of AMD Radeon R9 270 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.

AMD Radeon R9 270

NVIDIA GeForce GTX 660

Differences

Reasons to consider the AMD Radeon R9 270

Videocard is newer: launch date 1 year(s) 2 month(s) later
Around 33% higher pipelines: 1280 vs 960
Around 20% better floating-point performance: 2,368 gflops vs 1,981 gflops
Around 7% better performance in PassMark - G3D Mark: 4306 vs 4017
Around 16% better performance in PassMark - G2D Mark: 567 vs 487
6.5x better performance in Geekbench - OpenCL: 74175 vs 11364
Around 83% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 55.721 vs 30.505
Around 82% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 1282.039 vs 705.293
Around 92% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 5.927 vs 3.085
2.6x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 93.116 vs 35.416
4.2x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 261.843 vs 62.69
Around 23% better performance in 3DMark Fire Strike - Graphics Score: 1603 vs 1307

Specifications (specs)
Launch date	13 November 2013 vs 6 September 2012
Pipelines	1280 vs 960
Floating-point performance	2,368 gflops vs 1,981 gflops
Benchmarks
PassMark - G3D Mark	4306 vs 4017
PassMark - G2D Mark	567 vs 487
Geekbench - OpenCL	74175 vs 11364
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	55.721 vs 30.505
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	1282.039 vs 705.293
CompuBench 1.5 Desktop - T-Rex (Frames/s)	5.927 vs 3.085
CompuBench 1.5 Desktop - Video Composition (Frames/s)	93.116 vs 35.416
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	261.843 vs 62.69
GFXBench 4.0 - Manhattan (Frames)	3699 vs 3690
GFXBench 4.0 - Manhattan (Fps)	3699 vs 3690
3DMark Fire Strike - Graphics Score	1603 vs 1307

Reasons to consider the NVIDIA GeForce GTX 660

Around 12% higher boost clock speed: 1033 MHz vs 925 MHz
Around 6% higher texture fill rate: 78.4 billion / sec vs 74 GTexel / s
Around 7% lower typical power consumption: 140 Watt vs 150 Watt
Around 4% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 3581 vs 3448
Around 1% better performance in GFXBench 4.0 - T-Rex (Frames): 3365 vs 3347
Around 4% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 3581 vs 3448
Around 1% better performance in GFXBench 4.0 - T-Rex (Fps): 3365 vs 3347

Specifications (specs)
Boost clock speed	1033 MHz vs 925 MHz
Texture fill rate	78.4 billion / sec vs 74 GTexel / s
Thermal Design Power (TDP)	140 Watt vs 150 Watt
Benchmarks
GFXBench 4.0 - Car Chase Offscreen (Frames)	3581 vs 3448
GFXBench 4.0 - T-Rex (Frames)	3365 vs 3347
GFXBench 4.0 - Car Chase Offscreen (Fps)	3581 vs 3448
GFXBench 4.0 - T-Rex (Fps)	3365 vs 3347

Compare benchmarks

GPU 1: AMD Radeon R9 270
GPU 2: NVIDIA GeForce GTX 660

PassMark - G3D Mark

GPU 1

GPU 2

4306

4017

PassMark - G2D Mark

GPU 1

GPU 2

567

487

Geekbench - OpenCL

GPU 1

GPU 2

74175

11364

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

GPU 1

GPU 2

55.721

30.505

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

GPU 1

GPU 2

1282.039

705.293

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

GPU 1

GPU 2

5.927

3.085

CompuBench 1.5 Desktop - Video Composition (Frames/s)

GPU 1

GPU 2

93.116

35.416

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

GPU 1

GPU 2

261.843

62.69

GFXBench 4.0 - Car Chase Offscreen (Frames)

GPU 1

GPU 2

3448

3581

GFXBench 4.0 - Manhattan (Frames)

GPU 1

GPU 2

3699

3690

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

3347

3365

GFXBench 4.0 - Car Chase Offscreen (Fps)

GPU 1

GPU 2

3448

3581

GFXBench 4.0 - Manhattan (Fps)

GPU 1

GPU 2

3699

3690

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

3347

3365

3DMark Fire Strike - Graphics Score

GPU 1

GPU 2

1603

1307

Name	AMD Radeon R9 270	NVIDIA GeForce GTX 660
PassMark - G3D Mark	4306	4017
PassMark - G2D Mark	567	487
Geekbench - OpenCL	74175	11364
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	55.721	30.505
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	1282.039	705.293
CompuBench 1.5 Desktop - T-Rex (Frames/s)	5.927	3.085
CompuBench 1.5 Desktop - Video Composition (Frames/s)	93.116	35.416
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	261.843	62.69
GFXBench 4.0 - Car Chase Offscreen (Frames)	3448	3581
GFXBench 4.0 - Manhattan (Frames)	3699	3690
GFXBench 4.0 - T-Rex (Frames)	3347	3365
GFXBench 4.0 - Car Chase Offscreen (Fps)	3448	3581
GFXBench 4.0 - Manhattan (Fps)	3699	3690
GFXBench 4.0 - T-Rex (Fps)	3347	3365
3DMark Fire Strike - Graphics Score	1603	1307

Compare specifications (specs)

	AMD Radeon R9 270	NVIDIA GeForce GTX 660
Essentials
Architecture	GCN 1.0	Kepler
Code name	Curacao	GK106
Design	AMD Radeon R9 200 Series
Launch date	13 November 2013	6 September 2012
Launch price (MSRP)	$179	$229
Place in performance rating	501	740
Type	Desktop	Desktop
Price now		$349.99
Value for money (0-100)		14.35
Technical info
Boost clock speed	925 MHz	1033 MHz
Floating-point performance	2,368 gflops	1,981 gflops
Manufacturing process technology	28 nm	28 nm
Pipelines	1280	960
Stream Processors	1280
Texture fill rate	74 GTexel / s	78.4 billion / sec
Thermal Design Power (TDP)	150 Watt	140 Watt
Transistor count	2,800 million	2,540 million
Core clock speed		980 MHz
CUDA cores		960
Video outputs and ports
Display Connectors	2x DVI, 1x HDMI, 1x DisplayPort	One Dual Link DVI-I, One Dual Link DVI-D, One HDMI..., 2x DVI, 1x HDMI, 1x DisplayPort
DisplayPort support
Dual-link DVI support
Eyefinity
HDMI
VGA
Audio input for HDMI		Internal
G-SYNC support
HDCP
Maximum VGA resolution		2048x1536
Multi monitor support
Compatibility, dimensions and requirements
Bus support	PCIe 3.0	PCI Express 3.0
Interface	PCIe 3.0 x16	PCIe 3.0 x16
Length	210 mm	9.5" (24.1 cm)
Supplementary power connectors	1 x 6-pin	One 6-pin
Height		4.376" (11.1 cm)
API support
DirectX	12	12.0 (11_0)
OpenGL	4.5	4.3
Vulkan
Memory
Maximum RAM amount	2 GB	2 GB
Memory bandwidth	179.2 GB/s	144.2 GB / s
Memory bus width	256 Bit	192-bit GDDR5
Memory type	GDDR5	GDDR5
Memory clock speed		6.0 GB/s
Technologies
AMD Eyefinity
CrossFire
DDMA audio
FreeSync
HD3D
LiquidVR
TressFX
TrueAudio
Unified Video Decoder (UVD)
3D Blu-Ray
3D Gaming
3D Vision
Adaptive VSync
CUDA
FXAA
GPU Boost
SLI
TXAA