NVIDIA GeForce GT 645 OEM vs ATI FireMV 2250

Comparative analysis of NVIDIA GeForce GT 645 OEM and ATI FireMV 2250 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 FireMV 2250

Differences

Reasons to consider the NVIDIA GeForce GT 645 OEM

Videocard is newer: launch date 5 year(s) 3 month(s) later
Around 29% higher core clock speed: 776 MHz vs 600 MHz
15.5x more texture fill rate: 37.2 GTexel / s vs 2.4 GTexel / s
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 40 nm vs 80 nm
4x more maximum memory size: 1 GB vs 256 MB
3.8x more memory clock speed: 3828 MHz vs 1000 MHz
Around 53% better performance in PassMark - G2D Mark: 443 vs 290
43.6x better performance in PassMark - G3D Mark: 2006 vs 46

Specifications (specs)
Launch date	24 April 2012 vs 1 January 2007
Core clock speed	776 MHz vs 600 MHz
Texture fill rate	37.2 GTexel / s vs 2.4 GTexel / s
Manufacturing process technology	40 nm vs 80 nm
Maximum memory size	1 GB vs 256 MB
Memory clock speed	3828 MHz vs 1000 MHz
Benchmarks
PassMark - G2D Mark	443 vs 290
PassMark - G3D Mark	2006 vs 46

Reasons to consider the ATI FireMV 2250

3.2x lower typical power consumption: 32 Watt vs 102 Watt

Thermal Design Power (TDP)	32 Watt vs 102 Watt

Compare benchmarks

GPU 1: NVIDIA GeForce GT 645 OEM
GPU 2: ATI FireMV 2250

PassMark - G2D Mark

GPU 1

GPU 2

443

290

PassMark - G3D Mark

GPU 1

GPU 2

2006

Name	NVIDIA GeForce GT 645 OEM	ATI FireMV 2250
PassMark - G2D Mark	443	290
PassMark - G3D Mark	2006	46
GFXBench 4.0 - T-Rex (Frames)	1914
GFXBench 4.0 - T-Rex (Fps)	1914

Compare specifications (specs)

	NVIDIA GeForce GT 645 OEM	ATI FireMV 2250
Essentials
Architecture	Fermi 2.0	R500
Code name	GF114	RV516
Launch date	24 April 2012	1 January 2007
Place in performance rating	557	560
Type	Desktop	Desktop
Technical info
Core clock speed	776 MHz	600 MHz
Floating-point performance	894.0 gflops
Manufacturing process technology	40 nm	80 nm
Pipelines	288
Texture fill rate	37.2 GTexel / s	2.4 GTexel / s
Thermal Design Power (TDP)	102 Watt	32 Watt
Transistor count	1,950 million	107 million
Video outputs and ports
Display Connectors	2x DVI, 1x mini-HDMI	1x S-Video, 1x DMS-59
Compatibility, dimensions and requirements
Interface	PCIe 2.0 x16	PCIe 1.0 x16
Length	210 mm	170 mm
Supplementary power connectors		None
API support
DirectX	12.0 (11_0)	9.0c
OpenGL	4.6	2.0
Memory
Maximum RAM amount	1 GB	256 MB
Memory bandwidth	91.9 GB / s	32.0 GB / s
Memory bus width	192 Bit	256 Bit
Memory clock speed	3828 MHz	1000 MHz
Memory type	GDDR5	DDR2