AMD Radeon RX 6800 VS NVIDIA GeForce RTX 4090

amd

Brand

16GB GDDR6

Memory

3840

Cores

512 GB/s

Bandwidth

Radeon RX 6800

N/A Oct 2020 View Details

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nvidia

Brand

24GB GDDR6X

Memory

16384

Cores

1010 GB/s

Bandwidth

GeForce RTX 4090

$2,591.99 Sep 2022 View Details

$2,591.99

AMD Radeon RX 6800

16GB GDDR6 250W N/A Oct 2020

Radeon RX 6800

$579 • 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	NVIDIA GeForce RTX 4090
Memory Size	16 GB	24 GB
Memory Type	GDDR6	GDDR6X
TDP	250 W	450 W
Core Clock	N/A	N/A
Boost Clock	2105 MHz	2520 MHz
Memory Bandwidth	512 GB/s	1010 GB/s
Process Size	7nm	5nm
Architecture	RDNA 2.0	Ada Lovelace
Shading Units	3840	16384
RT Cores	60	128
TMUs	240	512
ROPs	96	176
Memory Bus	256-bit	384-bit
Memory Clock	2000 MHz	1313 MHz
Pixel Rate	202.1 GPixel/s	443.5 GPixel/s
Texture Rate	512 GTexel/s	1.01 GTexel/s
FP32 Performance	16.17 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	600 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

14608

AMD Radeon RX 6800

42193 (+189%)

NVIDIA GeForce RTX 4090

Geekbench 6

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

OpenCL Score

135060

AMD Radeon RX 6800

316301 (+134%)

NVIDIA GeForce RTX 4090

GFXBench 5.0

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

Aztec Ruins High (FPS)

219.6 FPS

AMD Radeon RX 6800

615.9 FPS (+180%)

NVIDIA GeForce RTX 4090

PassMark G2D

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

G2D Mark

22147

AMD Radeon RX 6800

38309 (+73%)

NVIDIA GeForce RTX 4090

Game Benchmarks Comparison (567 benchmarks)

Styx: Blades of Greed

7.2 2026 • Action, Adventure • Cyanide Studio

1080p

| ultra

GeForce RTX 4090 (+116%)

AVG 108 FPS

MIN 97 FPS

Radeon RX 6800

AVG 50 FPS

MIN 44 FPS

1440p

| ultra

GeForce RTX 4090 (+121%)

AVG 84 FPS

MIN 73 FPS

Radeon RX 6800

AVG 38 FPS

MIN 33 FPS

2160p

| ultra

GeForce RTX 4090 (+141%)

AVG 53 FPS

MIN 44 FPS

Radeon RX 6800

AVG 22 FPS

MIN 16 FPS

Winner

Loser

CODE VEIN II DEMO

7.8 2026 • Action, RPG • Bandai Namco Studios Inc.

1080p

| ultra

| Patch: vDemo

GeForce RTX 4090 (+93%)

AVG 137 FPS

MIN 127 FPS

Radeon RX 6800

AVG 71 FPS

MIN 60 FPS

1440p

| ultra

| Patch: vDemo

GeForce RTX 4090 (+115%)

AVG 103 FPS

MIN 91 FPS

Radeon RX 6800

AVG 48 FPS

MIN 41 FPS

2160p

| ultra

| Patch: vDemo

GeForce RTX 4090 (+165%)

AVG 61 FPS

MIN 52 FPS

Radeon RX 6800

AVG 23 FPS

MIN 20 FPS

Winner

Loser

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 (+150%)

AVG 130 FPS

MIN 113 FPS

Radeon RX 6800

AVG 52 FPS

MIN 46 FPS

1440p

| high

GeForce RTX 4090 (+172%)

AVG 98 FPS

MIN 88 FPS

Radeon RX 6800

AVG 36 FPS

MIN 32 FPS

2160p

| high

GeForce RTX 4090 (+210%)

AVG 65 FPS

MIN 58 FPS

Radeon RX 6800

AVG 21 FPS

MIN 18 FPS

Winner

Loser

PRAGMATA SKETCHBOOK - DEMO

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

1080p

| ultra

GeForce RTX 4090 (+107%)

AVG 147 FPS

MIN 134 FPS

Radeon RX 6800

AVG 71 FPS

MIN 64 FPS

1440p

| ultra

GeForce RTX 4090 (+129%)

AVG 126 FPS

MIN 115 FPS

Radeon RX 6800

AVG 55 FPS

MIN 50 FPS

2160p

| ultra

GeForce RTX 4090 (+180%)

AVG 84 FPS

MIN 76 FPS

Radeon RX 6800

AVG 30 FPS

MIN 27 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 (+91%)

AVG 180 FPS

MIN 155 FPS

Radeon RX 6800

AVG 94 FPS

MIN 81 FPS

1440p

| ultra

| Patch: v1.1.0

GeForce RTX 4090 (+100%)

AVG 156 FPS

MIN 137 FPS

Radeon RX 6800

AVG 78 FPS

MIN 69 FPS

2160p

| ultra

| Patch: v1.1.0

GeForce RTX 4090 (+125%)

AVG 108 FPS

MIN 97 FPS

Radeon RX 6800

AVG 48 FPS

MIN 43 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 (+108%)

AVG 276 FPS

MIN 78 FPS

Radeon RX 6800

AVG 133 FPS

MIN 34 FPS

1440p

| high

GeForce RTX 4090 (+123%)

AVG 248 FPS

MIN 67 FPS

Radeon RX 6800

AVG 111 FPS

MIN 24 FPS

2160p

| high

GeForce RTX 4090 (+146%)

AVG 138 FPS

MIN 32 FPS

Radeon RX 6800

AVG 56 FPS

MIN 11 FPS

Winner

Loser

No more benchmarks available for this comparison

NVIDIA GeForce RTX 4090 Wins!

Based on 570 benchmarks across 163 games

Avg FPS

Radeon RX 6800

+109.4%

133

Avg FPS

GeForce RTX 4090