AMD Radeon R9 285 vs AMD Radeon Vega 8 Mobile

Table of Contents

Graphics Processor

GPU model Tonga Picasso
GPU variant Tonga PRO (215-0851128)
Architecture GCN 3.0 GCN 5.0
Foundry TSMC GlobalFoundries
Manufacturing process 28 nm 14 nm
Number of transistors 5,000 million 4,940 million
Die size 366 mm² 210 mm²

Graphics Card

Release date Sep 2nd, 2014
Generation Volcanic Islands
Production End-of-life
Launch price 249 USD
Interface PCIe 3.0 x16
Reviews 59 in our database
Predecessor Sea Islands
Successor Pirate Islands

Clocks

GPU clock 918 MHz
Memory clock 1375 MHz 5.5 Gbps effective System Shared
Base clock 300 MHz
Boost clock 1200 MHz

Memory Configuration

Memory size 2 GB System Shared
Memory type GDDR5 System Shared
Memory bus width 256 bit System Shared
Bandwidth 176.0 GB/s System Dependent

Render Configuration

Shading units 1792 512
TMUs 112 32
ROPs 32 8
Compute units 28 8
Cache L1 16 KB (per CU)
Cache L2 512 KB

Performance

Pixel rate 29.38 GPixel/s 9.600 GPixel/s
Texture rate 102.8 GTexel/s 38.40 GTexel/s
FP16 (half) performance 3.290 TFLOPS (1:1) 2.458 TFLOPS (2:1)
FP32 (float) performance 3.290 TFLOPS 1,229 GFLOPS
FP64 (double) performance 205.6 GFLOPS (1:16) 76.80 GFLOPS (1:16)

Dimensions & Outputs

Slot width Dual-slot IGP
Length 221 mm 8.7 inches
Width 109 mm 4.3 inches
Height 36 mm 1.4 inches
TDP 190 W 15 W
Suggested PSU 450 W
Outputs 2x DVI1x HDMI1x DisplayPort No outputs
Power connectors 2x 6-pin
Board number C766

API Support & Features

DirectX 12 (12_0) 12 (12_1)
OpenGL 4.6 4.6
OpenCL 2.0 2.1
Vulkan 1.2 1.2
Shader model 6.3 6.4

Other Features

Integrated Graphics

Release date Apr 8th, 2019
Generation Picasso (Vega Mobile)
Production Active
Interface IGP
Predecessor Raven Ridge
Successor Renoir

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