ATI Radeon HD 3850 vs NVIDIA GeForce 8800 GTS 640

Comparative analysis of ATI Radeon HD 3850 and NVIDIA GeForce 8800 GTS 640 videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory. Benchmark videocards performance analysis: PassMark - G3D Mark, PassMark - G2D Mark, GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

ATI Radeon HD 3850

NVIDIA GeForce 8800 GTS 640

Differences

Reasons to consider the ATI Radeon HD 3850

Videocard is newer: launch date 1 year(s) 0 month(s) later
Around 30% higher core clock speed: 668 MHz vs 513 MHz
3.3x more pipelines: 320 vs 96
Around 87% better floating-point performance: 427.5 gflops vs 228.1 gflops
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 55 nm vs 90 nm
Around 91% lower typical power consumption: 75 Watt vs 143 Watt
Around 5% higher memory clock speed: 1660 MHz vs 1584 MHz

Launch date	19 November 2007 vs 8 November 2006
Core clock speed	668 MHz vs 513 MHz
Pipelines	320 vs 96
Floating-point performance	427.5 gflops vs 228.1 gflops
Manufacturing process technology	55 nm vs 90 nm
Thermal Design Power (TDP)	75 Watt vs 143 Watt
Memory clock speed	1660 MHz vs 1584 MHz

Reasons to consider the NVIDIA GeForce 8800 GTS 640

Around 15% higher texture fill rate: 12.31 GTexel / s vs 10.69 GTexel / s
Around 25% higher maximum memory size: 640 MB vs 512 MB

Texture fill rate	12.31 GTexel / s vs 10.69 GTexel / s
Maximum memory size	640 MB vs 512 MB

Compare benchmarks

GPU 1: ATI Radeon HD 3850
GPU 2: NVIDIA GeForce 8800 GTS 640

Name	ATI Radeon HD 3850	NVIDIA GeForce 8800 GTS 640
PassMark - G3D Mark	401
PassMark - G2D Mark	29
GFXBench 4.0 - T-Rex (Frames)	3345
GFXBench 4.0 - T-Rex (Fps)	3345

Compare specifications (specs)

	ATI Radeon HD 3850	NVIDIA GeForce 8800 GTS 640
Essentials
Architecture	TeraScale	Tesla
Code name	RV670	G80
Launch date	19 November 2007	8 November 2006
Launch price (MSRP)	$179	$449
Place in performance rating	1463	not rated
Type	Desktop	Desktop
Technical info
Core clock speed	668 MHz	513 MHz
Floating-point performance	427.5 gflops	228.1 gflops
Manufacturing process technology	55 nm	90 nm
Pipelines	320	96
Texture fill rate	10.69 GTexel / s	12.31 GTexel / s
Thermal Design Power (TDP)	75 Watt	143 Watt
Transistor count	666 million	681 million
Video outputs and ports
Display Connectors	2x DVI, 1x S-Video	2x DVI, 1x S-Video
Compatibility, dimensions and requirements
Interface	PCIe 2.0 x16	PCIe 1.0 x16
Length	208 mm	267 mm
Supplementary power connectors	1x 6-pin	1x 6-pin
API support
DirectX	10.0	10.0
OpenGL	3.3	3.3
Memory
Maximum RAM amount	512 MB	640 MB
Memory bandwidth	53.1 GB / s	63.4 GB / s
Memory bus width	256 Bit	320 Bit
Memory clock speed	1660 MHz	1584 MHz
Memory type	GDDR3	GDDR3