amd

Brand

16GB GDDR6

Memory

4608

Cores

512 GB/s

Bandwidth

AMD Radeon RX 6800 XT

$649 Oct 2020 View Details

nvidia

Brand

24GB GDDR6X

Memory

16384

Cores

1010 GB/s

Bandwidth

NVIDIA GeForce RTX 4090

$1599 Sep 2022 View Details

AMD Radeon RX 6800 XT

16GB GDDR6 300W $649 Oct 2020

Radeon RX 6800 XT

$649 • Oct 2020

GeForce RTX 4090

$1599 • Sep 2022

NVIDIA GeForce RTX 4090

24GB GDDR6X 450W $1599 Sep 2022

Specs Comparison

Specification	AMD Radeon RX 6800 XT	NVIDIA GeForce RTX 4090
Memory Size	16 GB	24 GB
Memory Type	GDDR6	GDDR6X
TDP	300 W	450 W
Core Clock	N/A	N/A
Boost Clock	2250 MHz	2520 MHz
Memory Bandwidth	512 GB/s	1010 GB/s
Process Size	7nm	5nm
Architecture	RDNA 2.0	Ada Lovelace
Shading Units	4608	16384
RT Cores	72	128
TMUs	288	512
ROPs	128	176
Memory Bus	256-bit	384-bit
Memory Clock	2000 MHz	1313 MHz
Pixel Rate	288 GPixel/s	443.5 GPixel/s
Texture Rate	512 GTexel/s	1.01 GTexel/s
FP32 Performance	20.74 GFLOPS	82.58 GFLOPS
L2 Cache	4.00 MB	72.00 MB
Die Size	520 mm²	609 mm²
Transistors	26800 Million	76300 Million
Required PSU	700 W	850 W
Power Connectors	2x 8-pin	1x 16-pin
Bus Interface	PCIe 4.0 x16	PCIe 4.0 x16
DirectX	12.2	12.2
Vulkan	1.3	1.3
OpenGL	4.6	4.6
Foundry	TSMC	TSMC

Comparison in Synthetic Benchmarks

3DMark Time Spy

Synthetic DirectX 12 benchmark that measures GPU performance in gaming workloads

Graphics Score

17608

AMD Radeon RX 6800 XT

42193 (+140%)

NVIDIA GeForce RTX 4090

Geekbench 6

Cross-platform benchmark that measures GPU compute performance using OpenCL and Metal APIs

OpenCL Score

138858

AMD Radeon RX 6800 XT

316301 (+128%)

NVIDIA GeForce RTX 4090

GFXBench 5.0

Cross-platform 3D graphics benchmark suite that measures GPU performance across different APIs

Aztec Ruins High (FPS)

264.2 FPS

AMD Radeon RX 6800 XT

615.9 FPS (+133%)

NVIDIA GeForce RTX 4090

PassMark G2D

Comprehensive 2D graphics benchmark that measures GPU performance in various graphics operations

G2D Mark

24994

AMD Radeon RX 6800 XT

38309 (+53%)

NVIDIA GeForce RTX 4090

Game Benchmarks Comparison (543 benchmarks)

Of Ash and Steel

8.7 2025 • Action, Adventure, Indie, RPG • Fire & Frost

1080p

| ultra

GeForce RTX 4090 (+101%)

AVG 281 FPS

MIN 236 FPS

Radeon RX 6800 XT

AVG 140 FPS

MIN 125 FPS

1440p

| ultra

GeForce RTX 4090 (+122%)

AVG 258 FPS

MIN 219 FPS

Radeon RX 6800 XT

AVG 116 FPS

MIN 104 FPS

2160p

| ultra

GeForce RTX 4090 (+149%)

AVG 177 FPS

MIN 147 FPS

Radeon RX 6800 XT

AVG 71 FPS

MIN 63 FPS

Winner

Loser

Where Winds Meet

8.2 2025 • Action, Adventure, RPG, Free To Play • Everstone Studio

1080p

| ultra

GeForce RTX 4090 (+120%)

AVG 194 FPS

MIN 155 FPS

Radeon RX 6800 XT

AVG 88 FPS

MIN 80 FPS

1440p

| ultra

GeForce RTX 4090 (+103%)

AVG 156 FPS

MIN 142 FPS

Radeon RX 6800 XT

AVG 77 FPS

MIN 70 FPS

2160p

| ultra

GeForce RTX 4090 (+114%)

AVG 107 FPS

MIN 97 FPS

Radeon RX 6800 XT

AVG 50 FPS

MIN 46 FPS

Winner

Loser

Assetto Corsa Rally

8.1 2025 • Racing • Supernova Games Studios

1080p

| ultra

GeForce RTX 4090 (+76%)

AVG 141 FPS

MIN 120 FPS

Radeon RX 6800 XT

AVG 80 FPS

MIN 68 FPS

1440p

| ultra

GeForce RTX 4090 (+84%)

AVG 112 FPS

MIN 94 FPS

Radeon RX 6800 XT

AVG 61 FPS

MIN 54 FPS

2160p

| ultra

GeForce RTX 4090 (+97%)

AVG 71 FPS

MIN 60 FPS

Radeon RX 6800 XT

AVG 36 FPS

MIN 31 FPS

Winner

Loser

Anno 117 Pax Romana

7.5 2025 • Simulation, Strategy • Ubisoft Mainz

1080p

| ultra

GeForce RTX 4090 (+115%)

AVG 116 FPS

MIN 63 FPS

Radeon RX 6800 XT

AVG 54 FPS

MIN 33 FPS

1440p

| ultra

GeForce RTX 4090 (+132%)

AVG 95 FPS

MIN 55 FPS

Radeon RX 6800 XT

AVG 41 FPS

MIN 27 FPS

2160p

| ultra

GeForce RTX 4090 (+142%)

AVG 63 FPS

MIN 41 FPS

Radeon RX 6800 XT

AVG 26 FPS

MIN 19 FPS

1080p

| ultra

| RTX

GeForce RTX 4090 (+141%)

AVG 94 FPS

MIN 57 FPS

Radeon RX 6800 XT

AVG 39 FPS

MIN 26 FPS

1440p

| ultra

| RTX

GeForce RTX 4090 (+152%)

AVG 73 FPS

MIN 46 FPS

Radeon RX 6800 XT

AVG 29 FPS

MIN 21 FPS

2160p

| ultra

| RTX

GeForce RTX 4090 (+171%)

AVG 46 FPS

MIN 33 FPS

Radeon RX 6800 XT

AVG 17 FPS

MIN 13 FPS

Winner

Loser

Europa Universalis V

8.1 2025 • Strategy • Paradox Tinto

1080p

| ultra

GeForce RTX 4090 (+118%)

AVG 198 FPS

MIN 169 FPS

Radeon RX 6800 XT

AVG 91 FPS

MIN 83 FPS

1440p

| ultra

GeForce RTX 4090 (+109%)

AVG 119 FPS

MIN 106 FPS

Radeon RX 6800 XT

AVG 57 FPS

MIN 52 FPS

2160p

| ultra

GeForce RTX 4090 (+61%)

AVG 45 FPS

MIN 41 FPS

Radeon RX 6800 XT

AVG 28 FPS

MIN 26 FPS

Winner

Loser

Jurassic World Evolution 3

8 2025 • Simulation, Strategy • Frontier Developments

1080p

| ultra

GeForce RTX 4090 (+99%)

AVG 137 FPS

MIN 119 FPS

Radeon RX 6800 XT

AVG 69 FPS

MIN 54 FPS

1440p

| ultra

GeForce RTX 4090 (+121%)

AVG 115 FPS

MIN 99 FPS

Radeon RX 6800 XT

AVG 52 FPS

MIN 38 FPS

2160p

| ultra

GeForce RTX 4090 (+145%)

AVG 71 FPS

MIN 62 FPS

Radeon RX 6800 XT

AVG 29 FPS

MIN 21 FPS

Winner

Loser

No more benchmarks available for this comparison

NVIDIA GeForce RTX 4090 Wins!

Based on 546 benchmarks across 157 games

Avg FPS

Radeon RX 6800 XT

+86.3%

134

Avg FPS

GeForce RTX 4090