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.

 

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 869 860
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