AMD Radeon RX 6800M vs AMD Radeon Vega 8

Table of Contents

Graphics Processor

GPU model Navi 22 Picasso
GPU variant Navi 22 XTM
Architecture RDNA 2.0 GCN 5.0
Foundry TSMC GlobalFoundries
Manufacturing process 7 nm 14 nm
Number of transistors 17,200 million 4,940 million
Die size 335 mm² 210 mm²

Mobile graphics

Release date 2021
gpu.details.availability 2021
Generation Mobility Radeon (Navi II)
Production Active
Interface PCIe 4.0 x16
Reviews 2 in our database

Clocks

Base clock 2321 MHz 300 MHz
Game clock 2424 MHz
Boost clock 2581 MHz 1250 MHz
Memory clock 2000 MHz 16 Gbps effective System Shared

Memory Configuration

Memory size 12 GB System Shared
Memory type GDDR6 System Shared
Memory bus width 192 bit System Shared
Bandwidth 384.0 GB/s System Dependent

Render Configuration

Shading units 2560 512
TMUs 160 32
ROPs 64 8
Compute units 40 8
RT cores 40
gpu.details.l0-cache 32 KB per WGP
Cache L1 128 KB per Array
Cache L2 3 MB
gpu.details.l3-cache 96 MB

Performance

Pixel rate 165.2 GPixel/s 10.00 GPixel/s
Texture rate 413.0 GTexel/s 40.00 GTexel/s
FP16 (half) performance 26.43 TFLOPS (2:1) 2.560 TFLOPS (2:1)
FP32 (float) performance 13.21 TFLOPS 1,280 GFLOPS
FP64 (double) performance 825.9 GFLOPS (1:16) 80.00 GFLOPS (1:16)

Dimensions & Outputs

Slot width Dual-slot IGP
TDP 230 W 15 W
Outputs No outputs No outputs
Power connectors None None

API Support & Features

DirectX 12 Ultimate (12_2) 12 (12_1)
OpenGL 4.6 4.6
OpenCL 2.1 2.1
Vulkan 1.2 1.2
Shader model 6.5 6.4

Other Features

Integrated Graphics

Release date Jul 7th, 2019
Generation Picasso (Vega)
Production Active
Interface IGP
Predecessor Raven Ridge
Successor Renoir

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