NVIDIA GeForce GT 645 OEM vs AMD Radeon HD 7690M

Comparative analysis of NVIDIA GeForce GT 645 OEM and AMD Radeon HD 7690M 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), Geekbench - OpenCL.

NVIDIA GeForce GT 645 OEM

AMD Radeon HD 7690M

Differences

Reasons to consider the NVIDIA GeForce GT 645 OEM

Videocard is newer: launch date 3 month(s) later
Around 7% higher core clock speed: 776 MHz vs 725 MHz
2.1x more texture fill rate: 37.2 GTexel / s vs 17.4 GTexel / s
Around 28% better floating-point performance: 894.0 gflops vs 696.0 gflops
2.1x more memory clock speed: 3828 MHz vs 1800 MHz
2x better performance in PassMark - G3D Mark: 2006 vs 1003

Specifications (specs)
Launch date	24 April 2012 vs 25 December 2011
Core clock speed	776 MHz vs 725 MHz
Texture fill rate	37.2 GTexel / s vs 17.4 GTexel / s
Floating-point performance	894.0 gflops vs 696.0 gflops
Memory clock speed	3828 MHz vs 1800 MHz
Benchmarks
PassMark - G3D Mark	2006 vs 1003

Reasons to consider the AMD Radeon HD 7690M

Around 67% higher pipelines: 480 vs 288
5.1x lower typical power consumption: 20 Watt vs 102 Watt
Around 30% better performance in PassMark - G2D Mark: 576 vs 443

Specifications (specs)
Pipelines	480 vs 288
Thermal Design Power (TDP)	20 Watt vs 102 Watt
Benchmarks
PassMark - G2D Mark	576 vs 443

Compare benchmarks

GPU 1: NVIDIA GeForce GT 645 OEM
GPU 2: AMD Radeon HD 7690M

PassMark - G2D Mark

GPU 1

GPU 2

443

576

PassMark - G3D Mark

GPU 1

GPU 2

2006

1003

Name	NVIDIA GeForce GT 645 OEM	AMD Radeon HD 7690M
PassMark - G2D Mark	443	576
PassMark - G3D Mark	2006	1003
GFXBench 4.0 - T-Rex (Frames)	1914
GFXBench 4.0 - T-Rex (Fps)	1914
Geekbench - OpenCL		1242

Compare specifications (specs)

	NVIDIA GeForce GT 645 OEM	AMD Radeon HD 7690M
Essentials
Architecture	Fermi 2.0	TeraScale 2
Code name	GF114	Thames
Launch date	24 April 2012	25 December 2011
Place in performance rating	557	389
Type	Desktop	Laptop
Technical info
Core clock speed	776 MHz	725 MHz
Floating-point performance	894.0 gflops	696.0 gflops
Manufacturing process technology	40 nm	40 nm
Pipelines	288	480
Texture fill rate	37.2 GTexel / s	17.4 GTexel / s
Thermal Design Power (TDP)	102 Watt	20 Watt
Transistor count	1,950 million	716 million
Boost clock speed		725 MHz
Video outputs and ports
Display Connectors	2x DVI, 1x mini-HDMI	No outputs
Compatibility, dimensions and requirements
Interface	PCIe 2.0 x16	MXM-A (3.0)
Length	210 mm
Laptop size		medium sized
Supplementary power connectors		None
API support
DirectX	12.0 (11_0)	11.2 (11_0)
OpenGL	4.6	4.4
Memory
Maximum RAM amount	1 GB	1 GB
Memory bandwidth	91.9 GB / s	28.8 GB / s
Memory bus width	192 Bit	128 Bit
Memory clock speed	3828 MHz	1800 MHz
Memory type	GDDR5	GDDR5 / DDR3
Shared memory		0