AMD Radeon R9 M485X vs AMD Radeon R9 390X

Comparative analysis of AMD Radeon R9 M485X and AMD Radeon R9 390X 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 - G2D Mark, PassMark - G3D Mark, 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 AMD Radeon R9 M485X

  • Videocard is newer: launch date 10 month(s) later
  • Around 10% lower typical power consumption: 250 Watt vs 275 Watt
  • 4.8x more memory clock speed: 5000 MHz vs 1050 MHz
Launch date 15 May 2016 vs 18 June 2015
Thermal Design Power (TDP) 250 Watt vs 275 Watt
Memory clock speed 5000 MHz vs 1050 MHz

Reasons to consider the AMD Radeon R9 390X

  • 2x more texture fill rate: 184.8 GTexel / s vs 92.54 GTexel / s
  • Around 38% higher pipelines: 2816 vs 2048
  • 2x better floating-point performance: 5,914 gflops vs 2,961 gflops
  • Around 97% better performance in PassMark - G2D Mark: 820 vs 417
  • 2.6x better performance in PassMark - G3D Mark: 9437 vs 3661
Specifications (specs)
Texture fill rate 184.8 GTexel / s vs 92.54 GTexel / s
Pipelines 2816 vs 2048
Floating-point performance 5,914 gflops vs 2,961 gflops
Benchmarks
PassMark - G2D Mark 820 vs 417
PassMark - G3D Mark 9437 vs 3661

Compare benchmarks

GPU 1: AMD Radeon R9 M485X
GPU 2: AMD Radeon R9 390X

PassMark - G2D Mark
GPU 1
GPU 2
417
820
PassMark - G3D Mark
GPU 1
GPU 2
3661
9437
Name AMD Radeon R9 M485X AMD Radeon R9 390X
PassMark - G2D Mark 417 820
PassMark - G3D Mark 3661 9437
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 114.288
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 2911.861
CompuBench 1.5 Desktop - T-Rex (Frames/s) 10.947
CompuBench 1.5 Desktop - Video Composition (Frames/s) 118.411
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 683.568
GFXBench 4.0 - Car Chase Offscreen (Frames) 11675
GFXBench 4.0 - Manhattan (Frames) 3706
GFXBench 4.0 - T-Rex (Frames) 3350
GFXBench 4.0 - Car Chase Offscreen (Fps) 11675
GFXBench 4.0 - Manhattan (Fps) 3706
GFXBench 4.0 - T-Rex (Fps) 3350
3DMark Fire Strike - Graphics Score 4242

Compare specifications (specs)

AMD Radeon R9 M485X AMD Radeon R9 390X

Essentials

Architecture GCN 3.0 GCN 2.0
Code name Amethyst Grenada
Launch date 15 May 2016 18 June 2015
Place in performance rating 273 280
Type Laptop Desktop
Design AMD Radeon R9 300 Series
Launch price (MSRP) $429

Technical info

Core clock speed 723 MHz
Floating-point performance 2,961 gflops 5,914 gflops
Manufacturing process technology 28 nm 28 nm
Pipelines 2048 2816
Texture fill rate 92.54 GTexel / s 184.8 GTexel / s
Thermal Design Power (TDP) 250 Watt 275 Watt
Transistor count 5,000 million 6,200 million
Boost clock speed 1050 MHz
Compute units 44
Stream Processors 2816

Video outputs and ports

Display Connectors No outputs 2x DVI, 1x HDMI, 1x DisplayPort
DisplayPort support
Dual-link DVI support
Eyefinity
HDMI
Number of Eyefinity displays 6
VGA

Compatibility, dimensions and requirements

Interface MXM-B (3.0) PCIe 3.0 x16
Laptop size large
Supplementary power connectors None 1 x 6-pin, 1 x 8-pin
Bridgeless CrossFire
Bus support PCIe 3.0
Length 275 mm

API support

DirectX 12.0 (12_0) 12
OpenGL 4.5 4.5
Vulkan
Mantle
OpenCL 2.0

Memory

Maximum RAM amount 8 GB 8 GB
Memory bandwidth 160.0 GB / s 384 GB/s
Memory bus width 256 Bit 512 bit
Memory clock speed 5000 MHz 1050 MHz
Memory type GDDR5 GDDR5
Shared memory 0 0
High bandwidth memory (HBM)

Technologies

Enduro
AMD Eyefinity
CrossFire
DDMA audio
FreeSync
HD3D
HDMI 4K Support
LiquidVR
PowerTune
TrueAudio
Video Code Engine (VCE)
Virtual Super Resolution (VSR)
ZeroCore