ATI Radeon HD 4890 vs NVIDIA GeForce 7800 GTX

Comparative analysis of ATI Radeon HD 4890 and NVIDIA GeForce 7800 GTX 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, GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

ATI Radeon HD 4890

NVIDIA GeForce 7800 GTX

Differences

Reasons to consider the ATI Radeon HD 4890

Videocard is newer: launch date 3 year(s) 9 month(s) later
Around 98% higher core clock speed: 850 MHz vs 430 MHz
3.3x more texture fill rate: 34.0 GTexel / s vs 10.32 GTexel / s
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 55 nm vs 110 nm
4x more maximum memory size: 1 GB vs 256 MB
3.3x more memory clock speed: 3900 MHz vs 1200 MHz
5.3x better performance in PassMark - G3D Mark: 1539 vs 291
2.7x better performance in GFXBench 4.0 - T-Rex (Frames): 3348 vs 1244
2.7x better performance in GFXBench 4.0 - T-Rex (Fps): 3348 vs 1244

Specifications (specs)
Launch date	2 April 2009 vs 22 June 2005
Core clock speed	850 MHz vs 430 MHz
Texture fill rate	34.0 GTexel / s vs 10.32 GTexel / s
Manufacturing process technology	55 nm vs 110 nm
Maximum memory size	1 GB vs 256 MB
Memory clock speed	3900 MHz vs 1200 MHz
Benchmarks
PassMark - G3D Mark	1539 vs 291
GFXBench 4.0 - T-Rex (Frames)	3348 vs 1244
GFXBench 4.0 - T-Rex (Fps)	3348 vs 1244

Reasons to consider the NVIDIA GeForce 7800 GTX

2.2x lower typical power consumption: 86 Watt vs 190 Watt
3x better performance in PassMark - G2D Mark: 196 vs 66

Specifications (specs)
Thermal Design Power (TDP)	86 Watt vs 190 Watt
Benchmarks
PassMark - G2D Mark	196 vs 66

Compare benchmarks

GPU 1: ATI Radeon HD 4890
GPU 2: NVIDIA GeForce 7800 GTX

PassMark - G3D Mark

GPU 1

GPU 2

1539

291

PassMark - G2D Mark

GPU 1

GPU 2

196

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

3348

1244

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

3348

1244

Name	ATI Radeon HD 4890	NVIDIA GeForce 7800 GTX
PassMark - G3D Mark	1539	291
PassMark - G2D Mark	66	196
GFXBench 4.0 - T-Rex (Frames)	3348	1244
GFXBench 4.0 - T-Rex (Fps)	3348	1244

Compare specifications (specs)

	ATI Radeon HD 4890	NVIDIA GeForce 7800 GTX
Essentials
Architecture	TeraScale	Curie
Code name	RV790	G70
Launch date	2 April 2009	22 June 2005
Launch price (MSRP)	$249	$599
Place in performance rating	1258	1261
Type	Desktop	Desktop
Technical info
Core clock speed	850 MHz	430 MHz
Floating-point performance	1,360.0 gflops
Manufacturing process technology	55 nm	110 nm
Pipelines	800
Texture fill rate	34.0 GTexel / s	10.32 GTexel / s
Thermal Design Power (TDP)	190 Watt	86 Watt
Transistor count	959 million	302 million
Video outputs and ports
Display Connectors	2x DVI, 1x S-Video	2x DVI, 1x S-Video
Compatibility, dimensions and requirements
Interface	PCIe 2.0 x16	PCIe 1.0 x16
Length	241 mm	228 mm
Supplementary power connectors	2x 6-pin
API support
DirectX	10.1	9.0c
OpenGL	3.3	2.1
Memory
Maximum RAM amount	1 GB	256 MB
Memory bandwidth	124.8 GB / s	38.4 GB / s
Memory bus width	256 Bit	256 Bit
Memory clock speed	3900 MHz	1200 MHz
Memory type	GDDR5	GDDR3