NVIDIA Tesla D870 vs ATI Radeon X1650 GT

Comparative analysis of NVIDIA Tesla D870 and ATI Radeon X1650 GT videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory.

NVIDIA Tesla D870

ATI Radeon X1650 GT

Differences

Reasons to consider the NVIDIA Tesla D870

Around 50% higher core clock speed: 600 MHz vs 400 MHz
68.5x more texture fill rate: 2x 19.2 GTexel / s billion / sec vs 3.2 GTexel / s
24x more maximum memory size: 2x 1536 MB vs 128 MB
2x more memory clock speed: 1600 MHz vs 800 MHz

Core clock speed	600 MHz vs 400 MHz
Texture fill rate	2x 19.2 GTexel / s billion / sec vs 3.2 GTexel / s
Maximum memory size	2x 1536 MB vs 128 MB
Memory clock speed	1600 MHz vs 800 MHz

Reasons to consider the ATI Radeon X1650 GT

A newer manufacturing process allows for a more powerful, yet cooler running videocard: 80 nm vs 90 nm

Manufacturing process technology	80 nm vs 90 nm

Compare specifications (specs)

	NVIDIA Tesla D870	ATI Radeon X1650 GT
Essentials
Architecture	Tesla	R500
Code name	G80	RV560
Launch date	2 May 2007	1 May 2007
Launch price (MSRP)	$7,499
Place in performance rating	not rated	not rated
Type	Workstation	Desktop
Technical info
Core clock speed	600 MHz	400 MHz
Floating-point performance	2x 345.6 gflops
Manufacturing process technology	90 nm	80 nm
Pipelines	2x 128
Texture fill rate	2x 19.2 GTexel / s billion / sec	3.2 GTexel / s
Thermal Design Power (TDP)	520 Watt
Transistor count	681 million	330 million
Video outputs and ports
Display Connectors	No outputs	1x DVI, 1x VGA, 1x S-Video
Compatibility, dimensions and requirements
Interface	PCIe 1.0 x16	PCIe 1.0 x16
Supplementary power connectors		None
API support
DirectX	10.0	9.0c
OpenGL	3.3	2.0
Memory
Maximum RAM amount	2x 1536 MB	128 MB
Memory bandwidth	2x 76.8 GB / s	12.8 GB / s
Memory bus width	2x 384 Bit	128 Bit
Memory clock speed	1600 MHz	800 MHz
Memory type	GDDR3	GDDR3