NVIDIA GeForce GT 645 OEM vs ATI FireGL V7700

Comparative analysis of NVIDIA GeForce GT 645 OEM and ATI FireGL V7700 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 - G2D Mark, PassMark - G3D Mark, GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

NVIDIA GeForce GT 645 OEM

ATI FireGL V7700

Differences

Reasons to consider the NVIDIA GeForce GT 645 OEM

Videocard is newer: launch date 4 year(s) 5 month(s) later
3x more texture fill rate: 37.2 GTexel / s vs 12.43 GTexel / s
Around 80% better floating-point performance: 894.0 gflops vs 497.3 gflops
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 40 nm vs 55 nm
2x more maximum memory size: 1 GB vs 512 MB
Around 70% higher memory clock speed: 3828 MHz vs 2252 MHz
Around 5% better performance in PassMark - G2D Mark: 443 vs 422
3x better performance in PassMark - G3D Mark: 2006 vs 660

Specifications (specs)
Launch date	24 April 2012 vs 19 November 2007
Texture fill rate	37.2 GTexel / s vs 12.43 GTexel / s
Floating-point performance	894.0 gflops vs 497.3 gflops
Manufacturing process technology	40 nm vs 55 nm
Maximum memory size	1 GB vs 512 MB
Memory clock speed	3828 MHz vs 2252 MHz
Benchmarks
PassMark - G2D Mark	443 vs 422
PassMark - G3D Mark	2006 vs 660

Reasons to consider the ATI FireGL V7700

Around 11% higher pipelines: 320 vs 288

Core clock speed	777 MHz vs 776 MHz
Pipelines	320 vs 288

Compare benchmarks

GPU 1: NVIDIA GeForce GT 645 OEM
GPU 2: ATI FireGL V7700

PassMark - G2D Mark

GPU 1

GPU 2

443

422

PassMark - G3D Mark

GPU 1

GPU 2

2006

660

Name	NVIDIA GeForce GT 645 OEM	ATI FireGL V7700
PassMark - G2D Mark	443	422
PassMark - G3D Mark	2006	660
GFXBench 4.0 - T-Rex (Frames)	1914
GFXBench 4.0 - T-Rex (Fps)	1914

Compare specifications (specs)

	NVIDIA GeForce GT 645 OEM	ATI FireGL V7700
Essentials
Architecture	Fermi 2.0	TeraScale
Code name	GF114	RV670
Launch date	24 April 2012	19 November 2007
Place in performance rating	557	351
Type	Desktop	Workstation
Launch price (MSRP)		$899
Technical info
Core clock speed	776 MHz	777 MHz
Floating-point performance	894.0 gflops	497.3 gflops
Manufacturing process technology	40 nm	55 nm
Pipelines	288	320
Texture fill rate	37.2 GTexel / s	12.43 GTexel / s
Thermal Design Power (TDP)	102 Watt
Transistor count	1,950 million	666 million
Video outputs and ports
Display Connectors	2x DVI, 1x mini-HDMI	1x DVI, 1x DisplayPort, 1x S-Video
Compatibility, dimensions and requirements
Interface	PCIe 2.0 x16	PCIe 2.0 x16
Length	210 mm	254 mm
Supplementary power connectors		1x 6-pin
API support
DirectX	12.0 (11_0)	10.0
OpenGL	4.6	3.3
Memory
Maximum RAM amount	1 GB	512 MB
Memory bandwidth	91.9 GB / s	72.1 GB / s
Memory bus width	192 Bit	256 Bit
Memory clock speed	3828 MHz	2252 MHz
Memory type	GDDR5	GDDR4