NVIDIA Tesla C870 vs ATI Radeon X1650 GT

Comparative analysis of NVIDIA Tesla C870 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 C870

ATI Radeon X1650 GT

Differences

Reasons to consider the NVIDIA Tesla C870

Around 50% higher core clock speed: 600 MHz vs 400 MHz
6x more texture fill rate: 19.2 GTexel / s vs 3.2 GTexel / s
12x more maximum memory size: 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	19.2 GTexel / s vs 3.2 GTexel / s
Maximum memory size	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 C870	ATI Radeon X1650 GT
Essentials
Architecture	Tesla	R500
Code name	G80	RV560
Launch date	2 May 2007	1 May 2007
Launch price (MSRP)	$1,499
Place in performance rating	not rated	not rated
Type	Workstation	Desktop
Technical info
Core clock speed	600 MHz	400 MHz
Floating-point performance	345.6 gflops
Manufacturing process technology	90 nm	80 nm
Pipelines	128
Texture fill rate	19.2 GTexel / s	3.2 GTexel / s
Thermal Design Power (TDP)	171 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	2x 6-pin	None
API support
DirectX	10.0	9.0c
OpenGL	3.3	2.0
Memory
Maximum RAM amount	1536 MB	128 MB
Memory bandwidth	76.8 GB / s	12.8 GB / s
Memory bus width	384 Bit	128 Bit
Memory clock speed	1600 MHz	800 MHz
Memory type	GDDR3	GDDR3