NVIDIA GeForce GTX 680 Mac Edition vs AMD Radeon HD 8770M

Comparative analysis of NVIDIA GeForce GTX 680 Mac Edition and AMD Radeon HD 8770M videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory.

 

Differences

Reasons to consider the NVIDIA GeForce GTX 680 Mac Edition

  • Around 30% higher core clock speed: 1006 MHz vs 775 MHz
  • Around 37% higher boost clock speed: 1058 MHz vs 775 MHz
  • 6.8x more texture fill rate: 135.4 GTexel / s vs 19.8 GTexel / s
  • 4x more pipelines: 1536 vs 384
  • 5.1x better floating-point performance: 3,250 gflops vs 633.6 gflops
  • Around 34% higher memory clock speed: 6008 MHz vs 4500 MHz
Core clock speed 1006 MHz vs 775 MHz
Boost clock speed 1058 MHz vs 775 MHz
Texture fill rate 135.4 GTexel / s vs 19.8 GTexel / s
Pipelines 1536 vs 384
Floating-point performance 3,250 gflops vs 633.6 gflops
Memory clock speed 6008 MHz vs 4500 MHz

Compare specifications (specs)

NVIDIA GeForce GTX 680 Mac Edition AMD Radeon HD 8770M

Essentials

Architecture Kepler GCN 1.0
Code name GK104 Mars
Launch date 3 April 2013 1 April 2013
Launch price (MSRP) $599
Place in performance rating not rated not rated
Type Desktop Desktop
Design AMD Radeon HD 8000M Series

Technical info

Boost clock speed 1058 MHz 775 MHz
Core clock speed 1006 MHz 775 MHz
Floating-point performance 3,250 gflops 633.6 gflops
Manufacturing process technology 28 nm 28 nm
Pipelines 1536 384
Texture fill rate 135.4 GTexel / s 19.8 GTexel / s
Thermal Design Power (TDP) 195 Watt
Transistor count 3,540 million 1,040 million
Compute units 6

Video outputs and ports

Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort No outputs

Compatibility, dimensions and requirements

Interface PCIe 2.0 x16 PCIe 3.0 x8
Length 254 mm
Supplementary power connectors 2x 6-pin
Laptop size medium sized

API support

DirectX 12.0 (11_0) 11
OpenGL 4.6 4.4

Memory

Maximum RAM amount 2 GB 2 GB
Memory bandwidth 192.3 GB / s 72 GB / s
Memory bus width 256 Bit 128 Bit
Memory clock speed 6008 MHz 4500 MHz
Memory type GDDR5 GDDR5
Shared memory 0

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