AMD Radeon HD 7950 Mac Edition vs ATI Radeon HD 3850 X2

Comparative analysis of AMD Radeon HD 7950 Mac Edition and ATI Radeon HD 3850 X2 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: CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), PassMark - G3D Mark, PassMark - G2D Mark.

 

Differences

Reasons to consider the AMD Radeon HD 7950 Mac Edition

  • Videocard is newer: launch date 4 year(s) 11 month(s) later
  • Around 20% higher core clock speed: 800 MHz vs 669 MHz
  • 2.8x more pipelines: 1792 vs 2x 320
  • 3.3x better floating-point performance: 2,867 gflops vs 2x 428.2 gflops
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 55 nm
  • 3x more maximum memory size: 3 GB vs 2x 512 MB
  • 3x more memory clock speed: 5000 MHz vs 1656 MHz
Launch date 7 March 2013 vs 4 April 2008
Core clock speed 800 MHz vs 669 MHz
Pipelines 1792 vs 2x 320
Floating-point performance 2,867 gflops vs 2x 428.2 gflops
Manufacturing process technology 28 nm vs 55 nm
Maximum memory size 3 GB vs 2x 512 MB
Memory clock speed 5000 MHz vs 1656 MHz

Reasons to consider the ATI Radeon HD 3850 X2

  • 2.4x more texture fill rate: 2x 10.7 GTexel / s billion / sec vs 89.6 GTexel / s
  • Around 43% lower typical power consumption: 140 Watt vs 200 Watt
Texture fill rate 2x 10.7 GTexel / s billion / sec vs 89.6 GTexel / s
Thermal Design Power (TDP) 140 Watt vs 200 Watt

Compare benchmarks

GPU 1: AMD Radeon HD 7950 Mac Edition
GPU 2: ATI Radeon HD 3850 X2

Name AMD Radeon HD 7950 Mac Edition ATI Radeon HD 3850 X2
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 67.802
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 1230.769
CompuBench 1.5 Desktop - Video Composition (Frames/s) 81.68
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 370.179
PassMark - G3D Mark 822
PassMark - G2D Mark 422

Compare specifications (specs)

AMD Radeon HD 7950 Mac Edition ATI Radeon HD 3850 X2

Essentials

Architecture GCN 1.0 TeraScale
Code name Tahiti RV670
Launch date 7 March 2013 4 April 2008
Launch price (MSRP) $449 $349
Place in performance rating 612 344
Type Desktop Desktop

Technical info

Core clock speed 800 MHz 669 MHz
Floating-point performance 2,867 gflops 2x 428.2 gflops
Manufacturing process technology 28 nm 55 nm
Pipelines 1792 2x 320
Texture fill rate 89.6 GTexel / s 2x 10.7 GTexel / s billion / sec
Thermal Design Power (TDP) 200 Watt 140 Watt
Transistor count 4,313 million 666 million

Video outputs and ports

Display Connectors 1x DVI, 1x HDMI, 2x mini-DisplayPort 2x DVI, 1x S-Video

Compatibility, dimensions and requirements

Interface PCIe 3.0 x16 PCIe 2.0 x16
Length 279 mm 267 mm
Supplementary power connectors 2x 6-pin

API support

DirectX 12.0 (11_1) 10.0
OpenGL 4.5 3.3

Memory

Maximum RAM amount 3 GB 2x 512 MB
Memory bandwidth 240.0 GB / s 2x 53.0 GB / s
Memory bus width 384 Bit 2x 256 Bit
Memory clock speed 5000 MHz 1656 MHz
Memory type GDDR5 GDDR3