NVIDIA GeForce GTX 680MX vs ATI Mobility Radeon HD 3850

Comparative analysis of NVIDIA GeForce GTX 680MX and ATI Mobility Radeon HD 3850 videocards for all known characteristics in the following categories: Essentials, Technical info, Compatibility, dimensions and requirements, API support, Memory, Technologies, Video outputs and ports. 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 GTX 680MX

  • Videocard is newer: launch date 4 year(s) 4 month(s) later
  • Around 24% higher core clock speed: 720 MHz vs 580 MHz
  • 9.9x more texture fill rate: 92.2 billion / sec vs 9.28 GTexel / s
  • 4.8x more pipelines: 1536 vs 320
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 55 nm
  • 4x more maximum memory size: 2 GB vs 512 MB
  • Around 67% higher memory clock speed: 2500 MHz vs 1500 MHz
  • 11.3x better performance in PassMark - G3D Mark: 4138 vs 366
  • 2.2x better performance in PassMark - G2D Mark: 534 vs 248
Specifications (specs)
Launch date 23 October 2012 vs 4 June 2008
Core clock speed 720 MHz vs 580 MHz
Texture fill rate 92.2 billion / sec vs 9.28 GTexel / s
Pipelines 1536 vs 320
Manufacturing process technology 28 nm vs 55 nm
Maximum memory size 2 GB vs 512 MB
Memory clock speed 2500 MHz vs 1500 MHz
Benchmarks
PassMark - G3D Mark 4138 vs 366
PassMark - G2D Mark 534 vs 248

Reasons to consider the ATI Mobility Radeon HD 3850

  • 3.5x lower typical power consumption: 35 Watt vs 122 Watt
Thermal Design Power (TDP) 35 Watt vs 122 Watt

Compare benchmarks

GPU 1: NVIDIA GeForce GTX 680MX
GPU 2: ATI Mobility Radeon HD 3850

PassMark - G3D Mark
GPU 1
GPU 2
4138
366
PassMark - G2D Mark
GPU 1
GPU 2
534
248
Name NVIDIA GeForce GTX 680MX ATI Mobility Radeon HD 3850
PassMark - G3D Mark 4138 366
PassMark - G2D Mark 534 248
Geekbench - OpenCL 12232
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 25.421
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 734.936
CompuBench 1.5 Desktop - T-Rex (Frames/s) 2.31
CompuBench 1.5 Desktop - Video Composition (Frames/s) 35.434
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 56.706
GFXBench 4.0 - Car Chase Offscreen (Frames) 5683
GFXBench 4.0 - Manhattan (Frames) 3571
GFXBench 4.0 - T-Rex (Frames) 3336
GFXBench 4.0 - Car Chase Offscreen (Fps) 5683
GFXBench 4.0 - Manhattan (Fps) 3571
GFXBench 4.0 - T-Rex (Fps) 3336

Compare specifications (specs)

NVIDIA GeForce GTX 680MX ATI Mobility Radeon HD 3850

Essentials

Architecture Kepler TeraScale
Launch date 23 October 2012 4 June 2008
Place in performance rating 650 651
Type Laptop Laptop
Code name M88

Technical info

Core clock speed 720 MHz 580 MHz
CUDA cores 1536
Manufacturing process technology 28 nm 55 nm
Pipelines 1536 320
Texture fill rate 92.2 billion / sec 9.28 GTexel / s
Thermal Design Power (TDP) 122 Watt 35 Watt
Transistor count 3540 Million 666 million
Floating-point performance 371.2 gflops

Compatibility, dimensions and requirements

Bus support PCI Express 3.0
Laptop size large large
SLI options 2-way
Interface PCIe 2.0 x16

API support

DirectX 12 API 10.1
OpenCL 1.1
OpenGL 4.5 3.3

Memory

Maximum RAM amount 2 GB 512 MB
Memory bandwidth 160 GB / s 48.0 GB / s
Memory bus width 256 Bit 256 Bit
Memory clock speed 2500 MHz 1500 MHz
Memory type GDDR5 GDDR3
Shared memory 0 0

Technologies

3D Vision
3D Vision / 3DTV Play
Adaptive VSync
CUDA
DirectX 11 DirectX 11
FXAA
SLI
TXAA

Video outputs and ports

Display Connectors No outputs
HDCP
HDMI