AMD Radeon RX 6900 XT vs NVIDIA GeForce RTX 3090

Graphics Processor

GPU model Navi 21 GA102
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
GPU variant Navi 21 XTX (215-121000167) GA102-300-A1

Graphics Card

Release date Oct 28th, 2020 Sep 1st, 2020
Generation Navi II GeForce 30
Production Active Active
Interface PCIe 4.0 x16 PCIe 4.0 x16
gpu.details.availability Dec 8th, 2020 Sep 24th, 2020
Predecessor Navi GeForce 20
Launch price 999 USD 1,499 USD
Reviews 32 in our database 56 in our database
Successor Navi III
Current price Amazon / Newegg

Clocks

Base clock 1825 MHz 1395 MHz
Boost clock 2250 MHz 1695 MHz
Memory clock 2000 MHz 16 Gbps effective 1219 MHz 19.5 Gbps effective
Game clock 2015 MHz

Memory Configuration

Memory size 16 GB 24 GB
Memory type GDDR6 GDDR6X
Memory bus width 256 bit 384 bit
Bandwidth 512.0 GB/s 936.2 GB/s

Render Configuration

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

Performance

Pixel rate 288.0 GPixel/s 189.8 GPixel/s
Texture rate 720.0 GTexel/s 556.0 GTexel/s
FP16 (half) performance 46.08 TFLOPS (2:1) 35.58 TFLOPS (1:1)
FP32 (float) performance 23.04 TFLOPS 35.58 TFLOPS
FP64 (double) performance 1,440 GFLOPS (1:16) 556.0 GFLOPS (1:64)

Dimensions & Outputs

Slot width Triple-slot Triple-slot
TDP 300 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
Length 267 mm 10.5 inches 336 mm 13.2 inches
Width 120 mm 4.7 inches 140 mm 5.5 inches
Height 50 mm 2 inches 61 mm 2.4 inches
Part number 102-D412
Board number 109-D412A7 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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