NVIDIA GeForce GT 820M vs NVIDIA GeForce 9800M GTX

Comparative analysis of NVIDIA GeForce GT 820M and NVIDIA GeForce 9800M GTX 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, 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 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

 

Differences

Reasons to consider the NVIDIA GeForce GT 820M

  • Videocard is newer: launch date 5 year(s) 4 month(s) later
  • Around 55% higher core clock speed: 775 MHz vs 500 MHz
  • Around 6% better floating-point performance: 297.6 gflops vs 280 gflops
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 65 nm
  • 5x lower typical power consumption: 15 Watt vs 75 Watt
  • Around 13% higher memory clock speed: 1800 MHz vs 1600 MHz
  • Around 21% better performance in PassMark - G3D Mark: 551 vs 454
  • Around 62% better performance in PassMark - G2D Mark: 144 vs 89
Specifications (specs)
Launch date 27 November 2013 vs 15 July 2008
Core clock speed 775 MHz vs 500 MHz
Floating-point performance 297.6 gflops vs 280 gflops
Manufacturing process technology 28 nm vs 65 nm
Thermal Design Power (TDP) 15 Watt vs 75 Watt
Memory clock speed 1800 MHz vs 1600 MHz
Benchmarks
PassMark - G3D Mark 551 vs 454
PassMark - G2D Mark 144 vs 89

Reasons to consider the NVIDIA GeForce 9800M GTX

  • 2.3x more texture fill rate: 28 GTexel / s vs 12.4 GTexel / s
  • Around 17% higher pipelines: 112 vs 96
Texture fill rate 28 GTexel / s vs 12.4 GTexel / s
Pipelines 112 vs 96

Compare benchmarks

GPU 1: NVIDIA GeForce GT 820M
GPU 2: NVIDIA GeForce 9800M GTX

PassMark - G3D Mark
GPU 1
GPU 2
551
454
PassMark - G2D Mark
GPU 1
GPU 2
144
89
Name NVIDIA GeForce GT 820M NVIDIA GeForce 9800M GTX
PassMark - G3D Mark 551 454
PassMark - G2D Mark 144 89
Geekbench - OpenCL 2530
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 2.692
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 161.29
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.55
CompuBench 1.5 Desktop - Video Composition (Frames/s) 11.858
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 17.753
GFXBench 4.0 - Car Chase Offscreen (Frames) 1263
GFXBench 4.0 - Manhattan (Frames) 2479
GFXBench 4.0 - T-Rex (Frames) 3327
GFXBench 4.0 - Car Chase Offscreen (Fps) 1263
GFXBench 4.0 - Manhattan (Fps) 2479
GFXBench 4.0 - T-Rex (Fps) 3327

Compare specifications (specs)

NVIDIA GeForce GT 820M NVIDIA GeForce 9800M GTX

Essentials

Architecture Fermi 2.0 Tesla
Code name GF117 G92
Launch date 27 November 2013 15 July 2008
Place in performance rating 1366 1364
Type Desktop Laptop
Launch price (MSRP) $328.50
Price now $328.50
Value for money (0-100) 2.78

Technical info

Core clock speed 775 MHz 500 MHz
Floating-point performance 297.6 gflops 280 gflops
Manufacturing process technology 28 nm 65 nm
Pipelines 96 112
Texture fill rate 12.4 GTexel / s 28 GTexel / s
Thermal Design Power (TDP) 15 Watt 75 Watt
Transistor count 585 million 754 million
CUDA cores per GPU 112
Gigaflops 420

Video outputs and ports

Display Connectors No outputs No outputs

Compatibility, dimensions and requirements

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

API support

DirectX 12.0 (11_0) 10.0
OpenGL 4.6 3.3

Memory

Maximum RAM amount 1 GB 1 GB
Memory bandwidth 14.4 GB / s 51.2 GB / s
Memory bus width 64 Bit 256 Bit
Memory clock speed 1800 MHz 1600 MHz
Memory type DDR3 GDDR3
Shared memory 0

Technologies

CUDA
HybridPower
PureVideo HD
SLI