AMD Radeon RX 6900 XTX vs NVIDIA GeForce RTX 3090

Table of Contents

Graphics Processor

GPU model Navi 21 GA102
GPU variant Navi 21 XTXH (215-121000247) GA102-300-A1
Architecture RDNA 2.0 Ampere
Foundry TSMC Samsung
Manufacturing process 7 nm 8 nm
Number of transistors 26,800 million 28,300 million
Die size 520 mm² 628 mm²

Graphics Card

Release date Never Released Sep 1st, 2020
Generation Navi II GeForce 30
Predecessor Navi GeForce 20
Production Active Active
Interface PCIe 4.0 x16 PCIe 4.0 x16
Successor Navi III
Launch price 1,499 USD
gpu.details.availability Sep 24th, 2020
Current price Amazon / Newegg
Reviews 56 in our database

Clocks

Base clock 2075 MHz 1395 MHz
Game clock 2250 MHz
Boost clock 2435 MHz 1695 MHz
Memory clock 2250 MHz 18 Gbps effective 1219 MHz 19.5 Gbps effective

Memory Configuration

Memory size 16 GB 24 GB
Memory type GDDR6 GDDR6X
Memory bus width 256 bit 384 bit
Bandwidth 576.0 GB/s 936.2 GB/s

Render Configuration

Shading units 5120 10496
TMUs 320 328
ROPs 128 112
Compute units 80
RT cores 80 82
gpu.details.l0-cache 32 KB per WGP
Cache L1 128 KB per Array 128 KB (per SM)
Cache L2 4 MB 6 MB
gpu.details.l3-cache 128 MB
SM count 82
Tensor cores 328

Performance

Pixel rate 311.7 GPixel/s 189.8 GPixel/s
Texture rate 779.2 GTexel/s 556.0 GTexel/s
FP16 (half) performance 49.87 TFLOPS (2:1) 35.58 TFLOPS (1:1)
FP32 (float) performance 24.93 TFLOPS 35.58 TFLOPS
FP64 (double) performance 1.558 TFLOPS (1:16) 556.0 GFLOPS (1:64)

Dimensions & Outputs

Slot width Dual-slot Triple-slot
Length 267 mm 10.5 inches 336 mm 13.2 inches
Width 135 mm 5.3 inches 140 mm 5.5 inches
Height 50 mm 2 inches 61 mm 2.4 inches
TDP 330 W 350 W
Suggested PSU 700 W 750 W
Outputs 1x HDMI2x DisplayPort1x USB Type-C 1x HDMI3x DisplayPort
Power connectors 2x 8-pin 1x 12-pin
Part number 102-D412
Board number PG132 SKU 10

API Support & Features

DirectX 12 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 8.6

Other Features

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