NVIDIA GeForce 9400 GT vs NVIDIA GeForce 7800 GT

Comparative analysis of NVIDIA GeForce 9400 GT and NVIDIA GeForce 7800 GT videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory, Technologies. Benchmark videocards performance analysis: PassMark - G3D Mark, PassMark - G2D Mark, GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

NVIDIA GeForce 9400 GT

NVIDIA GeForce 7800 GT

Differences

Reasons to consider the NVIDIA GeForce 9400 GT

Videocard is newer: launch date 2 year(s) 11 month(s) later
3.5x more core clock speed: 1400 MHz vs 400 MHz
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 80 nm vs 110 nm
Around 30% lower typical power consumption: 50 Watt vs 65 Watt
2x more maximum memory size: 512 MB vs 256 MB

Launch date	1 August 2008 vs 11 August 2005
Core clock speed	1400 MHz vs 400 MHz
Manufacturing process technology	80 nm vs 110 nm
Thermal Design Power (TDP)	50 Watt vs 65 Watt
Maximum memory size	512 MB vs 256 MB

Reasons to consider the NVIDIA GeForce 7800 GT

Around 82% higher texture fill rate: 8 GTexel / s vs 4.4 billion / sec
2.5x more memory clock speed: 1000 MHz vs 400 MHz
Around 44% better performance in PassMark - G3D Mark: 244 vs 169
7.2x better performance in PassMark - G2D Mark: 273 vs 38

Specifications (specs)
Texture fill rate	8 GTexel / s vs 4.4 billion / sec
Memory clock speed	1000 MHz vs 400 MHz
Benchmarks
PassMark - G3D Mark	244 vs 169
PassMark - G2D Mark	273 vs 38

Compare benchmarks

GPU 1: NVIDIA GeForce 9400 GT
GPU 2: NVIDIA GeForce 7800 GT

PassMark - G3D Mark

GPU 1

GPU 2

169

244

PassMark - G2D Mark

GPU 1

GPU 2

273

Name	NVIDIA GeForce 9400 GT	NVIDIA GeForce 7800 GT
PassMark - G3D Mark	169	244
PassMark - G2D Mark	38	273
GFXBench 4.0 - Manhattan (Frames)	1796
GFXBench 4.0 - Manhattan (Fps)	1796
GFXBench 4.0 - T-Rex (Frames)	1016
GFXBench 4.0 - T-Rex (Fps)	1016

Compare specifications (specs)

	NVIDIA GeForce 9400 GT	NVIDIA GeForce 7800 GT
Essentials
Architecture	Tesla	Curie
Code name	G86	G70
Launch date	1 August 2008	11 August 2005
Launch price (MSRP)	$79.99	$449
Place in performance rating	1460	624
Price now	$79.99	$80
Type	Desktop	Desktop
Value for money (0-100)	3.05	3.16
Technical info
Core clock speed	1400 MHz	400 MHz
CUDA cores	16
Floating-point performance	29.376 gflops
Manufacturing process technology	80 nm	110 nm
Maximum GPU temperature	105 °C
Pipelines	16
Texture fill rate	4.4 billion / sec	8 GTexel / s
Thermal Design Power (TDP)	50 Watt	65 Watt
Transistor count	210 million	302 million
Video outputs and ports
Audio input for HDMI	S / PDIF
Display Connectors	1x DVI, 1x VGA, 1x S-Video, Dual Link DVI	2x DVI, 1x S-Video
HDMI
Maximum VGA resolution	2048x1536
Multi monitor support
Compatibility, dimensions and requirements
Bus support	PCI-E 2.0
Height	4.376" (11.1 cm)
Interface	PCIe 2.0 x16	PCIe 1.0 x16
Length	6.6" (16.8 cm)	226 mm
Supplementary power connectors	None	1x 6-pin
API support
DirectX	10.0	9.0c
OpenGL	2.1	2.1
Memory
Maximum RAM amount	512 MB	256 MB
Memory bandwidth	12.8 GB / s	32.0 GB / s
Memory bus width	128 Bit	256 Bit
Memory clock speed	400 MHz	1000 MHz
Memory type	DDR2	GDDR3
Technologies
CUDA
SLI