AMD Radeon RX 6800 XT VS NVIDIA GeForce RTX 4090

amd

Brand

16GB GDDR6

Memory

4608

Cores

512 GB/s

Bandwidth

Radeon RX 6800 XT

$379.99 Oct 2020 View Details

$399.00

$379.99

nvidia

Brand

24GB GDDR6X

Memory

16384

Cores

1010 GB/s

Bandwidth

GeForce RTX 4090

$2,591.99 Sep 2022 View Details

$3,390.00

$2,591.99

AMD Radeon RX 6800 XT

16GB GDDR6 300W $379.99 Oct 2020

Radeon RX 6800 XT

$649 • Oct 2020

GeForce RTX 4090

$1599 • Sep 2022

NVIDIA GeForce RTX 4090

24GB GDDR6X 450W $2,591.99 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 (561 benchmarks)

Avatar: Frontiers of Pandora From The Ashes

7.6 2025 • Action, Adventure • Massive Entertainment – A Ubisoft Studio, Ubisoft Montpellier, Ubisoft Shanghai, Ubisoft Toronto, Ubisoft Düsseldorf, Ubisoft Reflections

1080p

| high

GeForce RTX 4090 (+124%)

AVG 130 FPS

MIN 113 FPS

Radeon RX 6800 XT

AVG 58 FPS

MIN 51 FPS

1440p

| high

GeForce RTX 4090 (+145%)

AVG 98 FPS

MIN 88 FPS

Radeon RX 6800 XT

AVG 40 FPS

MIN 36 FPS

2160p

| high

GeForce RTX 4090 (+171%)

AVG 65 FPS

MIN 58 FPS

Radeon RX 6800 XT

AVG 24 FPS

MIN 21 FPS

Winner

Loser

PRAGMATA SKETCHBOOK - DEMO

8.2 2025 • Action, Adventure • CAPCOM Co., Ltd.

1080p

| ultra

GeForce RTX 4090 (+84%)

AVG 147 FPS

MIN 134 FPS

Radeon RX 6800 XT

AVG 80 FPS

MIN 71 FPS

1440p

| ultra

GeForce RTX 4090 (+103%)

AVG 126 FPS

MIN 115 FPS

Radeon RX 6800 XT

AVG 62 FPS

MIN 57 FPS

2160p

| ultra

GeForce RTX 4090 (+140%)

AVG 84 FPS

MIN 76 FPS

Radeon RX 6800 XT

AVG 35 FPS

MIN 31 FPS

Winner

Loser

Assassin's Creed Mirage Valley of Memories Background

Assassin's Creed Mirage Valley of Memories

8 2025 • Action, Adventure • Ubisoft Bordeaux

1080p

| ultra

| Patch: v1.1.0

GeForce RTX 4090 (+71%)

AVG 180 FPS

MIN 155 FPS

Radeon RX 6800 XT

AVG 105 FPS

MIN 90 FPS

1440p

| ultra

| Patch: v1.1.0

GeForce RTX 4090 (+77%)

AVG 156 FPS

MIN 137 FPS

Radeon RX 6800 XT

AVG 88 FPS

MIN 78 FPS

2160p

| ultra

| Patch: v1.1.0

GeForce RTX 4090 (+96%)

AVG 108 FPS

MIN 97 FPS

Radeon RX 6800 XT

AVG 55 FPS

MIN 49 FPS

Winner

Loser

Company of Heroes 3: Endure & Defy Background

Company of Heroes 3: Endure & Defy

8.5 2025 • Action, Strategy • Relic Entertainment

1080p

| high

GeForce RTX 4090 (+85%)

AVG 276 FPS

MIN 78 FPS

Radeon RX 6800 XT

AVG 149 FPS

MIN 38 FPS

1440p

| high

GeForce RTX 4090 (+98%)

AVG 248 FPS

MIN 67 FPS

Radeon RX 6800 XT

AVG 125 FPS

MIN 27 FPS

2160p

| high

GeForce RTX 4090 (+116%)

AVG 138 FPS

MIN 32 FPS

Radeon RX 6800 XT

AVG 64 FPS

MIN 12 FPS

Winner

Loser

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

No more benchmarks available for this comparison

NVIDIA GeForce RTX 4090 Wins!

Based on 564 benchmarks across 161 games

Avg FPS

Radeon RX 6800 XT

+86.9%

134

Avg FPS

GeForce RTX 4090