AMD Radeon HD 6790 vs AMD Radeon Vega 6 Mobile

Table of Contents

Graphics Processor

GPU model Barts Picasso
GPU variant Barts LE (215-0798002)
Architecture TeraScale 2 GCN 5.0
Foundry TSMC GlobalFoundries
Manufacturing process 40 nm 14 nm
Number of transistors 1,700 million 4,940 million
Die size 255 mm² 210 mm²

Graphics Card

Release date Apr 4th, 2011
Generation Northern Islands
Production End-of-life
Launch price 149 USD
Interface PCIe 2.0 x16
Reviews 37 in our database
Predecessor Evergreen
Successor Southern Islands

Clocks

GPU clock 840 MHz
Memory clock 1050 MHz 4.2 Gbps effective System Shared
Base clock 300 MHz
Boost clock 1200 MHz

Memory Configuration

Memory size 1024 MB System Shared
Memory type GDDR5 System Shared
Memory bus width 256 bit System Shared
Bandwidth 134.4 GB/s System Dependent

Render Configuration

Shading units 800 384
TMUs 40 24
ROPs 16 8
Compute units 10 6
Cache L1 8 KB (per CU)
Cache L2 512 KB

Performance

Pixel rate 13.44 GPixel/s 9.600 GPixel/s
Texture rate 33.60 GTexel/s 28.80 GTexel/s
FP32 (float) performance 1,344 GFLOPS 921.6 GFLOPS
FP16 (half) performance 1.843 TFLOPS (2:1)
FP64 (double) performance 57.60 GFLOPS (1:16)

Dimensions & Outputs

Slot width Dual-slot IGP
Length 198 mm 7.8 inches
TDP 150 W 15 W
Suggested PSU 450 W
Outputs 2x DVI1x HDMI1x DisplayPort No outputs
Power connectors 2x 6-pin
Board number C220, C222

API Support & Features

DirectX 11.2 (11_0) 12 (12_1)
OpenGL 4.4 4.6
OpenCL 1.2 2.1
Vulkan 1.2
Shader model 5.0 6.4

Other Features

Integrated Graphics

Release date Jan 6th, 2019
Generation Picasso (Vega Mobile)
Production Active
Interface IGP
Predecessor Raven Ridge
Successor Renoir

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