NVIDIA GeForce GT 645 OEM vs ATI Radeon E2400

Comparative analysis of NVIDIA GeForce GT 645 OEM and ATI Radeon E2400 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 Radeon E2400

Differences

Reasons to consider the NVIDIA GeForce GT 645 OEM

Videocard is newer: launch date 4 year(s) 9 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
7.2x more pipelines: 288 vs 40
18.6x better floating-point performance: 894.0 gflops vs 48 gflops
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 40 nm vs 65 nm
8x more maximum memory size: 1 GB vs 128 MB
2.7x more memory clock speed: 3828 MHz vs 1400 MHz
Around 54% better performance in PassMark - G2D Mark: 443 vs 287
38.6x better performance in PassMark - G3D Mark: 2006 vs 52

Specifications (specs)
Launch date	24 April 2012 vs 28 June 2007
Core clock speed	776 MHz vs 600 MHz
Texture fill rate	37.2 GTexel / s vs 2.4 GTexel / s
Pipelines	288 vs 40
Floating-point performance	894.0 gflops vs 48 gflops
Manufacturing process technology	40 nm vs 65 nm
Maximum memory size	1 GB vs 128 MB
Memory clock speed	3828 MHz vs 1400 MHz
Benchmarks
PassMark - G2D Mark	443 vs 287
PassMark - G3D Mark	2006 vs 52

Reasons to consider the ATI Radeon E2400

4.1x lower typical power consumption: 25 Watt vs 102 Watt

Thermal Design Power (TDP)	25 Watt vs 102 Watt

Compare benchmarks

GPU 1: NVIDIA GeForce GT 645 OEM
GPU 2: ATI Radeon E2400

PassMark - G2D Mark

GPU 1

GPU 2

443

287

PassMark - G3D Mark

GPU 1

GPU 2

2006

Name	NVIDIA GeForce GT 645 OEM	ATI Radeon E2400
PassMark - G2D Mark	443	287
PassMark - G3D Mark	2006	52
GFXBench 4.0 - T-Rex (Frames)	1914
GFXBench 4.0 - T-Rex (Fps)	1914

Compare specifications (specs)

	NVIDIA GeForce GT 645 OEM	ATI Radeon E2400
Essentials
Architecture	Fermi 2.0	TeraScale
Code name	GF114	RV610
Launch date	24 April 2012	28 June 2007
Place in performance rating	567	569
Type	Desktop	Desktop
Technical info
Core clock speed	776 MHz	600 MHz
Floating-point performance	894.0 gflops	48 gflops
Manufacturing process technology	40 nm	65 nm
Pipelines	288	40
Texture fill rate	37.2 GTexel / s	2.4 GTexel / s
Thermal Design Power (TDP)	102 Watt	25 Watt
Transistor count	1,950 million	180 million
Video outputs and ports
Display Connectors	2x DVI, 1x mini-HDMI	No outputs
Compatibility, dimensions and requirements
Interface	PCIe 2.0 x16	MXM-II
Length	210 mm
API support
DirectX	12.0 (11_0)	10.0
OpenGL	4.6	3.3
Memory
Maximum RAM amount	1 GB	128 MB
Memory bandwidth	91.9 GB / s	11.2 GB / s
Memory bus width	192 Bit	64 Bit
Memory clock speed	3828 MHz	1400 MHz
Memory type	GDDR5	GDDR3