AMD Radeon HD 6490M vs NVIDIA GeForce Go 7800 GTX

Comparative analysis of AMD Radeon HD 6490M and NVIDIA GeForce Go 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, Geekbench - OpenCL, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

 

Differences

Reasons to consider the AMD Radeon HD 6490M

  • Videocard is newer: launch date 5 year(s) 3 month(s) later
  • Around 82% higher core clock speed: 800 MHz vs 440 MHz
  • 6.7x more pipelines: 160 vs 24
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 40 nm vs 110 nm
  • 2.9x more memory clock speed: 3200 MHz vs 1100 MHz
  • Around 80% better performance in PassMark - G3D Mark: 378 vs 210
  • 2.2x better performance in PassMark - G2D Mark: 514 vs 239
  • 4.4x better performance in GFXBench 4.0 - T-Rex (Frames): 2543 vs 575
  • 4.4x better performance in GFXBench 4.0 - T-Rex (Fps): 2543 vs 575
Specifications (specs)
Launch date 4 January 2011 vs 29 September 2005
Core clock speed 800 MHz vs 440 MHz
Pipelines 160 vs 24
Manufacturing process technology 40 nm vs 110 nm
Memory clock speed 3200 MHz vs 1100 MHz
Benchmarks
PassMark - G3D Mark 378 vs 210
PassMark - G2D Mark 514 vs 239
GFXBench 4.0 - T-Rex (Frames) 2543 vs 575
GFXBench 4.0 - T-Rex (Fps) 2543 vs 575

Reasons to consider the NVIDIA GeForce Go 7800 GTX

  • Around 65% higher texture fill rate: 10.56 GTexel / s vs 6.4 GTexel / s
Texture fill rate 10.56 GTexel / s vs 6.4 GTexel / s

Compare benchmarks

GPU 1: AMD Radeon HD 6490M
GPU 2: NVIDIA GeForce Go 7800 GTX

PassMark - G3D Mark
GPU 1
GPU 2
378
210
PassMark - G2D Mark
GPU 1
GPU 2
514
239
GFXBench 4.0 - T-Rex (Frames)
GPU 1
GPU 2
2543
575
GFXBench 4.0 - T-Rex (Fps)
GPU 1
GPU 2
2543
575
Name AMD Radeon HD 6490M NVIDIA GeForce Go 7800 GTX
PassMark - G3D Mark 378 210
PassMark - G2D Mark 514 239
Geekbench - OpenCL 4866
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 2.554
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 96.344
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0
CompuBench 1.5 Desktop - Video Composition (Frames/s) 6.001
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 10.814
GFXBench 4.0 - Manhattan (Frames) 1405
GFXBench 4.0 - T-Rex (Frames) 2543 575
GFXBench 4.0 - Manhattan (Fps) 1405
GFXBench 4.0 - T-Rex (Fps) 2543 575

Compare specifications (specs)

AMD Radeon HD 6490M NVIDIA GeForce Go 7800 GTX

Essentials

Architecture TeraScale 2 Curie
Code name Seymour G70
Launch date 4 January 2011 29 September 2005
Launch price (MSRP) $1,193.03
Place in performance rating 1189 1192
Price now $1,193.03
Type Laptop Laptop
Value for money (0-100) 0.39

Technical info

Core clock speed 800 MHz 440 MHz
Floating-point performance 256 gflops
Manufacturing process technology 40 nm 110 nm
Pipelines 160 24
Texture fill rate 6.4 GTexel / s 10.56 GTexel / s
Transistor count 370 million 302 million
Boost clock speed 440 MHz
Thermal Design Power (TDP) 65 Watt

Video outputs and ports

Display Connectors No outputs No outputs

Compatibility, dimensions and requirements

Interface PCIe 2.0 x16 PCIe 1.0 x16
Laptop size large
Supplementary power connectors None

API support

DirectX 11.2 (11_0) 9.0c
OpenGL 4.4 2.1

Memory

Maximum RAM amount 512 MB 512 MB
Memory bandwidth 25.6 GB / s 35.2 GB / s
Memory bus width 64 Bit 550 Bit
Memory clock speed 3200 MHz 1100 MHz
Memory type DDR3 / GDDR5 256
Shared memory 0 0