AMD Radeon RX 6900 XT VS NVIDIA GeForce RTX 4090

amd

Brand

16GB GDDR6

Memory

5120

Cores

512 GB/s

Bandwidth

Radeon RX 6900 XT

$499.99 Oct 2020 View Details

$499.99

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 6900 XT

16GB GDDR6 300W $499.99 Oct 2020

Radeon RX 6900 XT

$999 • 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 6900 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	5120	16384
RT Cores	80	128
TMUs	320	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	23.04 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

20261

AMD Radeon RX 6900 XT

42193 (+108%)

NVIDIA GeForce RTX 4090

Geekbench 6

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

OpenCL Score

124121

AMD Radeon RX 6900 XT

316301 (+155%)

NVIDIA GeForce RTX 4090

GFXBench 5.0

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

Aztec Ruins High (FPS)

305.2 FPS

AMD Radeon RX 6900 XT

615.9 FPS (+102%)

NVIDIA GeForce RTX 4090

PassMark G2D

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

G2D Mark

26744

AMD Radeon RX 6900 XT

38309 (+43%)

NVIDIA GeForce RTX 4090

Game Benchmarks Comparison (603 benchmarks)

007 First Light

8 2026 • Action, Adventure • IO Interactive A/S

1080p

| ultra

GeForce RTX 4090 (+47%)

AVG 128 FPS

MIN 115 FPS

Radeon RX 6900 XT

AVG 87 FPS

MIN 75 FPS

1440p

| ultra

GeForce RTX 4090 (+79%)

AVG 111 FPS

MIN 91 FPS

Radeon RX 6900 XT

AVG 62 FPS

MIN 53 FPS

2160p

| ultra

GeForce RTX 4090 (+97%)

AVG 65 FPS

MIN 53 FPS

Radeon RX 6900 XT

AVG 33 FPS

MIN 28 FPS

1080p

| ultra

| dlss 4.5 quality

GeForce RTX 4090 (+22%)

AVG 141 FPS

MIN 128 FPS

Radeon RX 6900 XT

AVG 116 FPS

MIN 104 FPS

1440p

| ultra

| dlss 4.5 quality

GeForce RTX 4090 (+26%)

AVG 121 FPS

MIN 107 FPS

Radeon RX 6900 XT

AVG 96 FPS

MIN 82 FPS

2160p

| ultra

| dlss 4.5 quality

GeForce RTX 4090 (+60%)

AVG 96 FPS

MIN 80 FPS

Radeon RX 6900 XT

AVG 60 FPS

MIN 50 FPS

Winner

Loser

LEGO Batman: Legacy of the Dark Knight Background

LEGO Batman: Legacy of the Dark Knight

7.8 2026 • Action, Adventure • TT Games

1080p

| ultra

GeForce RTX 4090 (+97%)

AVG 148 FPS

MIN 108 FPS

Radeon RX 6900 XT

AVG 75 FPS

MIN 57 FPS

1440p

| ultra

GeForce RTX 4090 (+106%)

AVG 109 FPS

MIN 86 FPS

Radeon RX 6900 XT

AVG 53 FPS

MIN 38 FPS

2160p

| ultra

GeForce RTX 4090 (+128%)

AVG 66 FPS

MIN 35 FPS

Radeon RX 6900 XT

AVG 29 FPS

MIN 17 FPS

Winner

Loser

Forza Horizon 6

9.5 2026 • Racing, Simulation, Sports • Playground Games

1080p

| ultra

GeForce RTX 4090 (+96%)

AVG 151 FPS

MIN 132 FPS

Radeon RX 6900 XT

AVG 77 FPS

MIN 66 FPS

1440p

| ultra

GeForce RTX 4090 (+102%)

AVG 129 FPS

MIN 117 FPS

Radeon RX 6900 XT

AVG 64 FPS

MIN 57 FPS

2160p

| ultra

GeForce RTX 4090 (+117%)

AVG 102 FPS

MIN 93 FPS

Radeon RX 6900 XT

AVG 47 FPS

MIN 42 FPS

1080p

| ultra

| RTX

GeForce RTX 4090 (+180%)

AVG 98 FPS

MIN 88 FPS

Radeon RX 6900 XT

AVG 35 FPS

MIN 30 FPS

1440p

| ultra

| RTX

GeForce RTX 4090 (+192%)

AVG 76 FPS

MIN 69 FPS

Radeon RX 6900 XT

AVG 26 FPS

MIN 22 FPS

2160p

| ultra

| RTX

GeForce RTX 4090 (+220%)

AVG 48 FPS

MIN 43 FPS

Radeon RX 6900 XT

AVG 15 FPS

MIN 13 FPS

1080p

| ultra

| RTX

| dlss 4 quality

GeForce RTX 4090 (+163%)

AVG 113 FPS

MIN 103 FPS

Radeon RX 6900 XT

AVG 43 FPS

MIN 37 FPS

1440p

| ultra

| RTX

| dlss 4 quality

GeForce RTX 4090 (+177%)

AVG 97 FPS

MIN 87 FPS

Radeon RX 6900 XT

AVG 35 FPS

MIN 31 FPS

2160p

| high

| RTX

| dlss 4 quality

GeForce RTX 4090 (+204%)

AVG 70 FPS

MIN 63 FPS

Radeon RX 6900 XT

AVG 23 FPS

MIN 20 FPS

Winner

Loser

DEATH STRANDING 2: ON THE BEACH Background

DEATH STRANDING 2: ON THE BEACH

8 2026 • Action, Adventure • KOJIMA PRODUCTIONS, Nixxes Software

1080p

| ultra

GeForce RTX 4090 (+57%)

AVG 121 FPS

MIN 108 FPS

Radeon RX 6900 XT

AVG 77 FPS

MIN 71 FPS

1440p

| ultra

GeForce RTX 4090 (+83%)

AVG 108 FPS

MIN 95 FPS

Radeon RX 6900 XT

AVG 59 FPS

MIN 53 FPS

2160p

| ultra

GeForce RTX 4090 (+89%)

AVG 70 FPS

MIN 62 FPS

Radeon RX 6900 XT

AVG 37 FPS

MIN 32 FPS

1080p

| ultra

| RTX

GeForce RTX 4090 (+116%)

AVG 97 FPS

MIN 90 FPS

Radeon RX 6900 XT

AVG 45 FPS

MIN 42 FPS

1440p

| ultra

| RTX

GeForce RTX 4090 (+145%)

AVG 76 FPS

MIN 64 FPS

Radeon RX 6900 XT

AVG 31 FPS

MIN 29 FPS

2160p

| ultra

| RTX

GeForce RTX 4090 (+156%)

AVG 46 FPS

MIN 41 FPS

Radeon RX 6900 XT

AVG 18 FPS

MIN 16 FPS

1080p

| ultra

| RTX

| dlss 4 quality

| Frame Gen

GeForce RTX 4090 (+78%)

AVG 187 FPS

MIN 175 FPS

Radeon RX 6900 XT

AVG 105 FPS

MIN 96 FPS

1440p

| ultra

| RTX

| dlss 4 quality

| Frame Gen

GeForce RTX 4090 (+91%)

AVG 162 FPS

MIN 151 FPS

Radeon RX 6900 XT

AVG 85 FPS

MIN 76 FPS

2160p

| ultra

| RTX

| dlss 4 quality

| Frame Gen

GeForce RTX 4090 (+120%)

AVG 119 FPS

MIN 110 FPS

Radeon RX 6900 XT

AVG 54 FPS

MIN 50 FPS

Winner

Loser

Crimson Desert

7.5 2026 • Action, Adventure • Pearl Abyss

1080p

| ultra

GeForce RTX 4090 (+114%)

AVG 124 FPS

MIN 103 FPS

Radeon RX 6900 XT

AVG 58 FPS

MIN 45 FPS

1440p

| ultra

GeForce RTX 4090 (+127%)

AVG 91 FPS

MIN 75 FPS

Radeon RX 6900 XT

AVG 40 FPS

MIN 30 FPS

2160p

| ultra

GeForce RTX 4090 (+162%)

AVG 55 FPS

MIN 42 FPS

Radeon RX 6900 XT

AVG 21 FPS

MIN 16 FPS

Winner

Loser

Resident Evil Requiem

8.7 2026 • Action, Adventure • CAPCOM Co., Ltd.

1080p

| ultra

| RTX

GeForce RTX 4090 (+58%)

AVG 194 FPS

MIN 156 FPS

Radeon RX 6900 XT

AVG 123 FPS

MIN 91 FPS

1440p

| ultra

| RTX

GeForce RTX 4090 (+80%)

AVG 157 FPS

MIN 128 FPS

Radeon RX 6900 XT

AVG 87 FPS

MIN 71 FPS

2160p

| ultra

| RTX

GeForce RTX 4090 (+116%)

AVG 97 FPS

MIN 85 FPS

Radeon RX 6900 XT

AVG 45 FPS

MIN 40 FPS

Winner

Loser

No more benchmarks available for this comparison

NVIDIA GeForce RTX 4090 Wins!

Based on 606 benchmarks across 169 games

Avg FPS

Radeon RX 6900 XT

+79.7%

132

Avg FPS

GeForce RTX 4090