NVIDIA GeForce 820M vs ATI Radeon HD 3850

Comparative analysis of NVIDIA GeForce 820M and ATI Radeon HD 3850 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), 3DMark Fire Strike - Graphics Score.

 

Differences

Reasons to consider the NVIDIA GeForce 820M

  • Videocard is newer: launch date 7 year(s) 4 month(s) later
  • Around 21% higher core clock speed: 810 MHz vs 668 MHz
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 55 nm
  • Around 67% lower typical power consumption: 45 Watt vs 75 Watt
  • 2x more maximum memory size: 1 GB vs 512 MB
  • Around 9% higher memory clock speed: 1802 MHz vs 1660 MHz
  • Around 22% better performance in PassMark - G3D Mark: 490 vs 401
  • 3.9x better performance in PassMark - G2D Mark: 114 vs 29
Specifications (specs)
Launch date 21 March 2015 vs 19 November 2007
Core clock speed 810 MHz vs 668 MHz
Manufacturing process technology 28 nm vs 55 nm
Thermal Design Power (TDP) 45 Watt vs 75 Watt
Maximum memory size 1 GB vs 512 MB
Memory clock speed 1802 MHz vs 1660 MHz
Benchmarks
PassMark - G3D Mark 490 vs 401
PassMark - G2D Mark 114 vs 29
GFXBench 4.0 - T-Rex (Frames) 3349 vs 3345
GFXBench 4.0 - T-Rex (Fps) 3349 vs 3345

Reasons to consider the ATI Radeon HD 3850

  • Around 7% higher texture fill rate: 10.69 GTexel / s vs 10 GTexel / s
  • 3.3x more pipelines: 320 vs 96
  • Around 78% better floating-point performance: 427.5 gflops vs 240.0 gflops
Texture fill rate 10.69 GTexel / s vs 10 GTexel / s
Pipelines 320 vs 96
Floating-point performance 427.5 gflops vs 240.0 gflops

Compare benchmarks

GPU 1: NVIDIA GeForce 820M
GPU 2: ATI Radeon HD 3850

PassMark - G3D Mark
GPU 1
GPU 2
490
401
PassMark - G2D Mark
GPU 1
GPU 2
114
29
GFXBench 4.0 - T-Rex (Frames)
GPU 1
GPU 2
3349
3345
GFXBench 4.0 - T-Rex (Fps)
GPU 1
GPU 2
3349
3345
Name NVIDIA GeForce 820M ATI Radeon HD 3850
PassMark - G3D Mark 490 401
PassMark - G2D Mark 114 29
Geekbench - OpenCL 2789
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 7.765
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 161.305
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.686
CompuBench 1.5 Desktop - Video Composition (Frames/s) 14.257
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 22.768
GFXBench 4.0 - Car Chase Offscreen (Frames) 1195
GFXBench 4.0 - Manhattan (Frames) 1447
GFXBench 4.0 - T-Rex (Frames) 3349 3345
GFXBench 4.0 - Car Chase Offscreen (Fps) 1195
GFXBench 4.0 - Manhattan (Fps) 1447
GFXBench 4.0 - T-Rex (Fps) 3349 3345
3DMark Fire Strike - Graphics Score 847

Compare specifications (specs)

NVIDIA GeForce 820M ATI Radeon HD 3850

Essentials

Architecture Kepler TeraScale
Code name GK107 RV670
Launch date 21 March 2015 19 November 2007
Place in performance rating 1444 1463
Type Laptop Desktop
Launch price (MSRP) $179

Technical info

Core clock speed 810 MHz 668 MHz
Floating-point performance 240.0 gflops 427.5 gflops
Manufacturing process technology 28 nm 55 nm
Pipelines 96 320
Texture fill rate 10 GTexel / s 10.69 GTexel / s
Thermal Design Power (TDP) 45 Watt 75 Watt
Transistor count 1,270 million 666 million

Video outputs and ports

Display Connectors No outputs 2x DVI, 1x S-Video

Compatibility, dimensions and requirements

Bus support PCI Express 2.0
Interface PCIe 3.0 x16 PCIe 2.0 x16
Length 208 mm
Supplementary power connectors 1x 6-pin

API support

DirectX 12.0 (11_0) 10.0
OpenGL 4.5 3.3

Memory

Maximum RAM amount 1 GB 512 MB
Memory bandwidth 14.4 GB / s 53.1 GB / s
Memory bus width 64 Bit 256 Bit
Memory clock speed 1802 MHz 1660 MHz
Memory type DDR3 GDDR3
Shared memory 0

Technologies

CUDA
GameWorks
GPU Boost
Optimus
Verde Drivers