AMD Radeon RX 6600 vs NVIDIA GeForce GTX 980 Ti

Table of Contents

Graphics Processor

GPU model Navi 23 GM200
GPU variant Navi 23 XL (215-130000016) GM200-310-A1
Architecture RDNA 2.0 Maxwell 2.0
Foundry TSMC TSMC
Manufacturing process 7 nm 28 nm
Number of transistors 11,060 million 8,000 million
Die size 237 mm² 601 mm²

Graphics Card

Release date Oct 13th, 2021 Jun 2nd, 2015
Generation Navi II GeForce 900
Predecessor Navi GeForce 700
Production Active End-of-life
Launch price 329 USD 649 USD
Interface PCIe 4.0 x8 PCIe 3.0 x16
Successor Navi III GeForce 10
Reviews 169 in our database

Clocks

Base clock 1626 MHz 1000 MHz
Boost clock 2491 MHz 1076 MHz
Memory clock 1750 MHz 14 Gbps effective 1753 MHz 7 Gbps effective
Game clock 2044 MHz

Memory Configuration

Memory size 8 GB 6 GB
Memory type GDDR6 GDDR5
Memory bus width 128 bit 384 bit
Bandwidth 224.0 GB/s 336.6 GB/s

Render Configuration

Shading units 1792 2816
TMUs 112 176
ROPs 64 96
Compute units 28
RT cores 28
gpu.details.l0-cache 32 KB per WGP
Cache L1 128 KB per Array 48 KB (per SMM)
Cache L2 2 MB 3 MB
gpu.details.l3-cache 32 MB
SMM count 22

Performance

Pixel rate 159.4 GPixel/s 103.3 GPixel/s
Texture rate 279.0 GTexel/s 189.4 GTexel/s
FP16 (half) performance 17.86 TFLOPS (2:1)
FP32 (float) performance 8.928 TFLOPS 6.060 TFLOPS
FP64 (double) performance 558.0 GFLOPS (1:16) 189.4 GFLOPS (1:32)

Dimensions & Outputs

Slot width Dual-slot Dual-slot
TDP 132 W 250 W
Suggested PSU 300 W 600 W
Outputs 1x HDMI3x DisplayPort 1x DVI1x HDMI3x DisplayPort
Power connectors 1x 8-pin 1x 6-pin + 1x 8-pin
Length 190 mm 7.5 inches 267 mm 10.5 inches
Width 110 mm 4.3 inches 111 mm 4.4 inches
Height 40 mm 1.6 inches 40 mm 1.6 inches
Board number PG600 SKU 30

API Support & Features

DirectX 12.0 Ultimate (12_2) 12 (12_1)
OpenGL 4.6 4.6
OpenCL 2.1 3.0
Vulkan 1.2 1.1
Shader model 6.5 6.4
CUDA 5.2

Other Features

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