AMD Radeon RX 6600 XT vs NVIDIA GeForce RTX 2080 Mobile

Table of Contents

Graphics Processor

GPU model Navi 23 TU104
GPU variant Navi 23 XT (215-130000006) N18E-G3-A1
Architecture RDNA 2.0 Turing
Foundry TSMC TSMC
Manufacturing process 7 nm 12 nm
Number of transistors 11,060 million 13,600 million
Die size 237 mm² 545 mm²

Graphics Card

Release date Jul 30th, 2021
Generation Navi II
Predecessor Navi
Production Active
Launch price 379 USD
Interface PCIe 4.0 x8
gpu.details.availability Aug 10th, 2021
Reviews 45 in our database
Successor Navi III

Clocks

Base clock 1968 MHz 1380 MHz
Boost clock 2589 MHz 1590 MHz
Memory clock 2000 MHz 16 Gbps effective 1750 MHz 14 Gbps effective
Game clock 2359 MHz

Memory Configuration

Memory size 8 GB 8 GB
Memory type GDDR6 GDDR6
Memory bus width 128 bit 256 bit
Bandwidth 256.0 GB/s 448.0 GB/s

Render Configuration

Shading units 2048 2944
TMUs 128 184
ROPs 64 64
Compute units 32
RT cores 32 46
gpu.details.l0-cache 32 KB per WGP
Cache L1 128 KB per Array 64 KB (per SM)
Cache L2 2 MB 4 MB
gpu.details.l3-cache 32 MB
SM count 46
Tensor cores 368

Performance

Pixel rate 165.7 GPixel/s 101.8 GPixel/s
Texture rate 331.4 GTexel/s 292.6 GTexel/s
FP16 (half) performance 21.21 TFLOPS (2:1) 18.72 TFLOPS (2:1)
FP32 (float) performance 10.60 TFLOPS 9.362 TFLOPS
FP64 (double) performance 662.8 GFLOPS (1:16) 292.6 GFLOPS (1:32)

Dimensions & Outputs

Slot width Dual-slot Dual-slot
TDP 160 W 150 W
Suggested PSU 450 W
Outputs 1x HDMI2x DisplayPort No outputs
Power connectors 1x 8-pin
Length 190 mm 7.5 inches
Width 110 mm 4.3 inches
Height 40 mm 1.6 inches

API Support & Features

DirectX 12.0 Ultimate (12_2) 12 Ultimate (12_2)
OpenGL 4.6 4.6
OpenCL 2.1 3.0
Vulkan 1.2 1.2
Shader model 6.5 6.6
CUDA 7.5

Other Features

Mobile graphics

Release date Jan 29th, 2019
Generation GeForce 20 Mobile
Production Active
Interface PCIe 3.0 x16
Predecessor GeForce 10 Mobile
Successor GeForce 30 Mobile

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