AMD Radeon RX Vega 8 Mobile vs AMD Radeon HD 7950 Mac Edition

Comparative analysis of AMD Radeon RX Vega 8 Mobile and AMD Radeon HD 7950 Mac Edition videocards for all known characteristics in the following categories: Essentials, Technical info, Compatibility, dimensions and requirements, Memory, Video outputs and ports, API support. Benchmark videocards performance analysis: PassMark - G2D Mark, PassMark - G3D Mark, Geekbench - OpenCL, GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), 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).

 

Differences

Reasons to consider the AMD Radeon RX Vega 8 Mobile

  • Videocard is newer: launch date 4 year(s) 8 month(s) later
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 14 nm vs 28 nm
  • 20x lower typical power consumption: 10 Watt vs 200 Watt
Launch date 24 November 2017 vs 7 March 2013
Manufacturing process technology 14 nm vs 28 nm
Thermal Design Power (TDP) 10 Watt vs 200 Watt

Reasons to consider the AMD Radeon HD 7950 Mac Edition

  • 2.7x more core clock speed: 800 MHz vs 300 MHz
  • 2.5x more texture fill rate: 89.6 GTexel / s vs 35.2 GTexel / s
  • 3.5x more pipelines: 1792 vs 512
  • 2.5x better floating-point performance: 2,867 gflops vs 1,126 gflops
  • 12x more maximum memory size: 3 GB vs 256 MB
  • 6.3x more memory clock speed: 5000 MHz vs 800 MHz
Core clock speed 800 MHz vs 300 MHz
Texture fill rate 89.6 GTexel / s vs 35.2 GTexel / s
Pipelines 1792 vs 512
Floating-point performance 2,867 gflops vs 1,126 gflops
Maximum memory size 3 GB vs 256 MB
Memory clock speed 5000 MHz vs 800 MHz

Compare benchmarks

GPU 1: AMD Radeon RX Vega 8 Mobile
GPU 2: AMD Radeon HD 7950 Mac Edition

Name AMD Radeon RX Vega 8 Mobile AMD Radeon HD 7950 Mac Edition
PassMark - G2D Mark 388
PassMark - G3D Mark 1501
Geekbench - OpenCL 8941
GFXBench 4.0 - Manhattan (Frames) 3157
GFXBench 4.0 - Manhattan (Fps) 3157
GFXBench 4.0 - T-Rex (Frames) 3359
GFXBench 4.0 - T-Rex (Fps) 3359
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

Compare specifications (specs)

AMD Radeon RX Vega 8 Mobile AMD Radeon HD 7950 Mac Edition

Essentials

Architecture GCN 5.0 GCN 1.0
Code name Vega Tahiti
Launch date 24 November 2017 7 March 2013
Place in performance rating 669 666
Type Laptop Desktop
Launch price (MSRP) $449

Technical info

Boost clock speed 1100 MHz
Core clock speed 300 MHz 800 MHz
Floating-point performance 1,126 gflops 2,867 gflops
Manufacturing process technology 14 nm 28 nm
Pipelines 512 1792
Texture fill rate 35.2 GTexel / s 89.6 GTexel / s
Thermal Design Power (TDP) 10 Watt 200 Watt
Transistor count 4,500 million 4,313 million

Compatibility, dimensions and requirements

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

Memory

Maximum RAM amount 256 MB 3 GB
Memory bandwidth 12.8 GB / s 240.0 GB / s
Memory bus width 128 Bit 384 Bit
Memory clock speed 800 MHz 5000 MHz
Memory type DDR4 GDDR5

Video outputs and ports

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

API support

DirectX 12.0 (11_1)
OpenGL 4.5