Intel HD Graphics P4000 vs NVIDIA GeForce GT 645 OEM

Comparative analysis of Intel HD Graphics P4000 and NVIDIA GeForce GT 645 OEM 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 - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL, GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

Intel HD Graphics P4000

NVIDIA GeForce GT 645 OEM

Differences

Reasons to consider the Intel HD Graphics P4000

A newer manufacturing process allows for a more powerful, yet cooler running videocard: 22 nm vs 40 nm
2.3x lower typical power consumption: 45 Watt vs 102 Watt
Around 44% better performance in PassMark - G2D Mark: 636 vs 443
Around 29% better performance in GFXBench 4.0 - T-Rex (Frames): 2461 vs 1914
Around 29% better performance in GFXBench 4.0 - T-Rex (Fps): 2461 vs 1914

Specifications (specs)
Manufacturing process technology	22 nm vs 40 nm
Thermal Design Power (TDP)	45 Watt vs 102 Watt
Benchmarks
PassMark - G2D Mark	636 vs 443
GFXBench 4.0 - T-Rex (Frames)	2461 vs 1914
GFXBench 4.0 - T-Rex (Fps)	2461 vs 1914

Reasons to consider the NVIDIA GeForce GT 645 OEM

Around 19% higher core clock speed: 776 MHz vs 650 MHz
3.9x better performance in PassMark - G3D Mark: 2006 vs 516

Specifications (specs)
Core clock speed	776 MHz vs 650 MHz
Benchmarks
PassMark - G3D Mark	2006 vs 516

Compare benchmarks

GPU 1: Intel HD Graphics P4000
GPU 2: NVIDIA GeForce GT 645 OEM

PassMark - G3D Mark

GPU 1

GPU 2

516

2006

PassMark - G2D Mark

GPU 1

GPU 2

636

443

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

2461

1914

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

2461

1914

Name	Intel HD Graphics P4000	NVIDIA GeForce GT 645 OEM
PassMark - G3D Mark	516	2006
PassMark - G2D Mark	636	443
Geekbench - OpenCL	1071
GFXBench 4.0 - Manhattan (Frames)	2225
GFXBench 4.0 - Manhattan (Fps)	2225
GFXBench 4.0 - T-Rex (Frames)	2461	1914
GFXBench 4.0 - T-Rex (Fps)	2461	1914

Compare specifications (specs)

	Intel HD Graphics P4000	NVIDIA GeForce GT 645 OEM
Essentials
Architecture	Generation 7.0	Fermi 2.0
Code name	Ivy Bridge GT2	GF114
Launch date	14 May 2012	24 April 2012
Place in performance rating	615	557
Type	Desktop	Desktop
Technical info
Boost clock speed	1250 MHz
Core clock speed	650 MHz	776 MHz
Manufacturing process technology	22 nm	40 nm
Thermal Design Power (TDP)	45 Watt	102 Watt
Transistor count	1,200 million	1,950 million
Floating-point performance		894.0 gflops
Pipelines		288
Texture fill rate		37.2 GTexel / s
Video outputs and ports
Display Connectors	No outputs	2x DVI, 1x mini-HDMI
Compatibility, dimensions and requirements
Interface	PCIe 1.0 x16	PCIe 2.0 x16
Length		210 mm
API support
DirectX	11.1 (11_0)	12.0 (11_0)
OpenGL	4.0	4.6
Memory
Maximum RAM amount		1 GB
Memory bandwidth		91.9 GB / s
Memory bus width		192 Bit
Memory clock speed		3828 MHz
Memory type		GDDR5