ATI Mobility Radeon HD 3870 X2 vs NVIDIA GeForce 7800 GS AGP

Comparative analysis of ATI Mobility Radeon HD 3870 X2 and NVIDIA GeForce 7800 GS AGP 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.

ATI Mobility Radeon HD 3870 X2

NVIDIA GeForce 7800 GS AGP

Differences

Reasons to consider the ATI Mobility Radeon HD 3870 X2

Videocard is newer: launch date 2 year(s) 6 month(s) later
Around 76% higher core clock speed: 660 MHz vs 375 MHz
35.1x more texture fill rate: 2x 10.56 GTexel / s billion / sec vs 6 GTexel / s
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 55 nm vs 90 nm
4x more maximum memory size: 2x 512 MB vs 256 MB
Around 42% higher memory clock speed: 1700 MHz vs 1200 MHz
2.7x better performance in PassMark - G3D Mark: 478 vs 177

Specifications (specs)
Launch date	1 September 2008 vs 2 February 2006
Core clock speed	660 MHz vs 375 MHz
Texture fill rate	2x 10.56 GTexel / s billion / sec vs 6 GTexel / s
Manufacturing process technology	55 nm vs 90 nm
Maximum memory size	2x 512 MB vs 256 MB
Memory clock speed	1700 MHz vs 1200 MHz
Benchmarks
PassMark - G3D Mark	478 vs 177

Reasons to consider the NVIDIA GeForce 7800 GS AGP

Around 47% lower typical power consumption: 75 Watt vs 110 Watt
Around 6% better performance in PassMark - G2D Mark: 199 vs 187

Specifications (specs)
Thermal Design Power (TDP)	75 Watt vs 110 Watt
Benchmarks
PassMark - G2D Mark	199 vs 187

Compare benchmarks

GPU 1: ATI Mobility Radeon HD 3870 X2
GPU 2: NVIDIA GeForce 7800 GS AGP

PassMark - G3D Mark

GPU 1

GPU 2

478

177

PassMark - G2D Mark

GPU 1

GPU 2

187

199

Name	ATI Mobility Radeon HD 3870 X2	NVIDIA GeForce 7800 GS AGP
PassMark - G3D Mark	478	177
PassMark - G2D Mark	187	199

Compare specifications (specs)

	ATI Mobility Radeon HD 3870 X2	NVIDIA GeForce 7800 GS AGP
Essentials
Architecture	TeraScale	Curie
Code name	M88	G71
Launch date	1 September 2008	2 February 2006
Place in performance rating	867	870
Type	Laptop	Desktop
Technical info
Core clock speed	660 MHz	375 MHz
Floating-point performance	2x 422.4 gflops
Manufacturing process technology	55 nm	90 nm
Pipelines	640
Texture fill rate	2x 10.56 GTexel / s billion / sec	6 GTexel / s
Thermal Design Power (TDP)	110 Watt	75 Watt
Transistor count	666 million	278 million
Video outputs and ports
Display Connectors	No outputs	1x DVI, 1x VGA, 1x S-Video
Compatibility, dimensions and requirements
Interface	PCIe 2.0 x16	AGP 8x
Laptop size	large
Supplementary power connectors		1x Molex
API support
DirectX	10.1	9.0c
OpenGL	3.3	2.1
Memory
Maximum RAM amount	2x 512 MB	256 MB
Memory bandwidth	2x 54.4 GB / s	38.4 GB / s
Memory bus width	256 Bit	256 Bit
Memory clock speed	1700 MHz	1200 MHz
Memory type	GDDR3	GDDR3
Shared memory	0