AMD Radeon HD 6490M vs NVIDIA GeForce GTX 275

Comparative analysis of AMD Radeon HD 6490M and NVIDIA GeForce GTX 275 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 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

AMD Radeon HD 6490M

NVIDIA GeForce GTX 275

Differences

Reasons to consider the AMD Radeon HD 6490M

Videocard is newer: launch date 1 year(s) 11 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 40 nm vs 55 nm
2.8x more memory clock speed: 3200 MHz vs 1134 MHz
6.6x better performance in PassMark - G2D Mark: 514 vs 78

Specifications (specs)
Launch date	4 January 2011 vs 15 January 2009
Manufacturing process technology	40 nm vs 55 nm
Memory clock speed	3200 MHz vs 1134 MHz
Benchmarks
PassMark - G2D Mark	514 vs 78

Reasons to consider the NVIDIA GeForce GTX 275

Around 76% higher core clock speed: 1404 MHz vs 800 MHz
7.9x more texture fill rate: 50.6 billion / sec vs 6.4 GTexel / s
Around 50% higher pipelines: 240 vs 160
2.6x better floating-point performance: 673.9 gflops vs 256 gflops
Around 75% higher maximum memory size: 896 MB vs 512 MB
3.7x better performance in PassMark - G3D Mark: 1414 vs 378
4.8x better performance in Geekbench - OpenCL: 23256 vs 4866
Around 26% better performance in GFXBench 4.0 - T-Rex (Frames): 3195 vs 2543
Around 26% better performance in GFXBench 4.0 - T-Rex (Fps): 3195 vs 2543

Specifications (specs)
Core clock speed	1404 MHz vs 800 MHz
Texture fill rate	50.6 billion / sec vs 6.4 GTexel / s
Pipelines	240 vs 160
Floating-point performance	673.9 gflops vs 256 gflops
Maximum memory size	896 MB vs 512 MB
Benchmarks
PassMark - G3D Mark	1414 vs 378
Geekbench - OpenCL	23256 vs 4866
GFXBench 4.0 - T-Rex (Frames)	3195 vs 2543
GFXBench 4.0 - T-Rex (Fps)	3195 vs 2543

Compare benchmarks

GPU 1: AMD Radeon HD 6490M
GPU 2: NVIDIA GeForce GTX 275

PassMark - G3D Mark

GPU 1

GPU 2

378

1414

PassMark - G2D Mark

GPU 1

GPU 2

514

Geekbench - OpenCL

GPU 1

GPU 2

4866

23256

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

2543

3195

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

2543

3195

Name	AMD Radeon HD 6490M	NVIDIA GeForce GTX 275
PassMark - G3D Mark	378	1414
PassMark - G2D Mark	514	78
Geekbench - OpenCL	4866	23256
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	2.554
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	96.344
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0
CompuBench 1.5 Desktop - Video Composition (Frames/s)	6.001
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	10.814
GFXBench 4.0 - Manhattan (Frames)	1405
GFXBench 4.0 - T-Rex (Frames)	2543	3195
GFXBench 4.0 - Manhattan (Fps)	1405
GFXBench 4.0 - T-Rex (Fps)	2543	3195

Compare specifications (specs)

	AMD Radeon HD 6490M	NVIDIA GeForce GTX 275
Essentials
Architecture	TeraScale 2	Tesla 2.0
Code name	Seymour	GT200B
Launch date	4 January 2011	15 January 2009
Launch price (MSRP)	$1,193.03	$249
Place in performance rating	1193	1194
Price now	$1,193.03	$119.99
Type	Laptop	Desktop
Value for money (0-100)	0.39	13.43
Technical info
Core clock speed	800 MHz	1404 MHz
Floating-point performance	256 gflops	673.9 gflops
Manufacturing process technology	40 nm	55 nm
Pipelines	160	240
Texture fill rate	6.4 GTexel / s	50.6 billion / sec
Transistor count	370 million	1,400 million
CUDA cores		240
Maximum GPU temperature		105 °C
Thermal Design Power (TDP)		219 Watt
Video outputs and ports
Display Connectors	No outputs	Two Dual Link DVI, 2x DVI
Audio input for HDMI		S / PDIF
Maximum VGA resolution		2048x1536
Multi monitor support
Compatibility, dimensions and requirements
Interface	PCIe 2.0 x16	PCIe 2.0 x16
Bus support		PCI-E 2.0
Height		4.376" (111 mm) (11.1 cm)
Length		10.5" (267 mm) (26.7 cm)
SLI options		2-way3-way
Supplementary power connectors		2x 6-pin
API support
DirectX	11.2 (11_0)	10.0
OpenGL	4.4	3.0
Memory
Maximum RAM amount	512 MB	896 MB
Memory bandwidth	25.6 GB / s	127.0 GB / s
Memory bus width	64 Bit	448 Bit
Memory clock speed	3200 MHz	1134 MHz
Memory type	DDR3 / GDDR5	GDDR3
Shared memory	0
Technologies
3D Vision
CUDA
SLI