Home GPU Comparison NVIDIA GeForce RTX 3090 Ti vs AMD Radeon RX 6600 XT

NVIDIA GeForce RTX 3090 Ti vs AMD Radeon RX 6600 XT

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 3090 Ti and 8GB VRAM Radeon RX 6600 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3090 Ti 's Advantages
Released 6 months late
More VRAM (24GB vs 8GB)
Larger VRAM bandwidth (1008GB/s vs 256.0GB/s)
8704 additional rendering cores
AMD Radeon RX 6600 XT 's Advantages
Boost Clock has increased by 39% (2589MHz vs 1860MHz)
Lower TDP (160W vs 450W)

Score

Benchmark

FP32 (float)
GeForce RTX 3090 Ti +277%
40 TFLOPS
Radeon RX 6600 XT
10.6 TFLOPS
3DMark Time Spy
GeForce RTX 3090 Ti +131%
22133
Radeon RX 6600 XT
9579
Blender
GeForce RTX 3090 Ti +418%
6200
Radeon RX 6600 XT
1196
Shadow of the Tomb Raider 2160p
GeForce RTX 3090 Ti +176%
105
Radeon RX 6600 XT
38
Shadow of the Tomb Raider 1440p
GeForce RTX 3090 Ti +131%
167
Radeon RX 6600 XT
72
Shadow of the Tomb Raider 1080p
GeForce RTX 3090 Ti +76%
210
Radeon RX 6600 XT
119
Cyberpunk 2077 2160p
GeForce RTX 3090 Ti +141%
70
Radeon RX 6600 XT
29
Cyberpunk 2077 1440p
GeForce RTX 3090 Ti +141%
87
Radeon RX 6600 XT
36
Cyberpunk 2077 1080p
GeForce RTX 3090 Ti +115%
125
Radeon RX 6600 XT
58
Battlefield 5 2160p
GeForce RTX 3090 Ti +120%
128
Radeon RX 6600 XT
58
Battlefield 5 1440p
GeForce RTX 3090 Ti +81%
201
Radeon RX 6600 XT
111
Battlefield 5 1080p
GeForce RTX 3090 Ti +38%
200
Radeon RX 6600 XT
144
GTA 5 2160p
GeForce RTX 3090 Ti +131%
141
Radeon RX 6600 XT
61
GTA 5 1440p
GeForce RTX 3090 Ti +128%
187
Radeon RX 6600 XT
82
GTA 5 1080p
GeForce RTX 3090 Ti +51%
226
Radeon RX 6600 XT
149
Horizon Forbidden West 1080p
GeForce RTX 3090 Ti +78%
114
Radeon RX 6600 XT
64
Horizon Forbidden West 1440p
GeForce RTX 3090 Ti +93%
93
Radeon RX 6600 XT
48
Horizon Forbidden West 2160p
GeForce RTX 3090 Ti +138%
62
Radeon RX 6600 XT
26
VS

Graphics Card

Jan 2022
Release Date
Jul 2021
GeForce 30
Generation
Navi II
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x8

Clock Speeds

1560 MHz
Base Clock
1968 MHz
1860 MHz
Boost Clock
2589 MHz
1313 MHz
Memory Clock
2000 MHz

Memory

24GB
Memory Size
8GB
GDDR6X
Memory Type
GDDR6
384bit
Memory Bus
128bit
1008GB/s
Bandwidth
256.0GB/s

Render Config

-
Compute Units
32
84
SM Count
-
10752
Shading Units
2048
336
TMUs
128
112
ROPs
64
336
Tensor Cores
-
84
RT Cores
32
128 KB (per SM)
L1 Cache
128 KB per Array
6 MB
L2 Cache
2 MB
-
L3 Cache
32 MB

Theoretical Performance

208.3 GPixel/s
Pixel Rate
165.7 GPixel/s
625.0 GTexel/s
Texture Rate
331.4 GTexel/s
40.00 TFLOPS
FP16 (half)
21.21 TFLOPS
40.00 TFLOPS
FP32 (float)
10.60 TFLOPS
625.0 GFLOPS
FP64 (double)
662.8 GFLOPS

Board Design

450W
TDP
160W
850 W
Suggested PSU
450 W
1x HDMI 2.1 3x DisplayPort 1.4a
Outputs
1x HDMI 2.1 3x DisplayPort 1.4a
1x 16-pin
Power Connectors
1x 8-pin

Graphics Processor

GA102
GPU Name
Navi 23
GA102-350-A1
GPU Variant
Navi 23 XT (215-130000006)
Ampere
Architecture
RDNA 2.0
Samsung
Foundry
TSMC
8 nm
Process Size
7 nm
28.3 billion
Transistors
11.06 billion
628 mm²
Die Size
237 mm²

Graphics Features

12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.3
Vulkan
1.3
8.6
CUDA
-
6.6
Shader Model
6.7

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