AMD Radeon RX 6900 XT VS NVIDIA GeForce RTX 4080

amd

Brand

16GB GDDR6

Memory

5120

Cores

512 GB/s

Bandwidth

Radeon RX 6900 XT

$499.99 Oct 2020 View Details

$989.00

$499.99

nvidia

Brand

16GB GDDR6X

Memory

9728

Cores

716.8 GB/s

Bandwidth

GeForce RTX 4080

$959.00 Sep 2022 View Details

$1,311.38

$959.00

AMD Radeon RX 6900 XT

16GB GDDR6 300W $499.99 Oct 2020

Radeon RX 6900 XT

$999 • Oct 2020

GeForce RTX 4080

$1199 • Sep 2022

NVIDIA GeForce RTX 4080

16GB GDDR6X 320W $959.00 Sep 2022

Specs Comparison

Specification	AMD Radeon RX 6900 XT	NVIDIA GeForce RTX 4080
Memory Size	16 GB	16 GB
Memory Type	GDDR6	GDDR6X
TDP	300 W	320 W
Core Clock	N/A	N/A
Boost Clock	2250 MHz	2505 MHz
Memory Bandwidth	512 GB/s	716.8 GB/s
Process Size	7nm	5nm
Architecture	RDNA 2.0	Ada Lovelace
Shading Units	5120	9728
RT Cores	80	76
TMUs	320	304
ROPs	128	112
Memory Bus	256-bit	256-bit
Memory Clock	2000 MHz	1400 MHz
Pixel Rate	288 GPixel/s	280.6 GPixel/s
Texture Rate	512 GTexel/s	716.8 GTexel/s
FP32 Performance	23.04 GFLOPS	48.74 GFLOPS
L2 Cache	4.00 MB	64.00 MB
Die Size	520 mm²	379 mm²
Transistors	26800 Million	45900 Million
Required PSU	700 W	700 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

30216 (+49%)

NVIDIA GeForce RTX 4080

Geekbench 6

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

OpenCL Score

124121

AMD Radeon RX 6900 XT

217712 (+75%)

NVIDIA GeForce RTX 4080

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

320.9 FPS (+5%)

NVIDIA GeForce RTX 4080

PassMark G2D

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

G2D Mark

26744

AMD Radeon RX 6900 XT

34519 (+29%)

NVIDIA GeForce RTX 4080

Game Benchmarks Comparison (563 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 4080 (+78%)

AVG 107 FPS

MIN 91 FPS

Radeon RX 6900 XT

AVG 60 FPS

MIN 53 FPS

1440p

| high

GeForce RTX 4080 (+81%)

AVG 76 FPS

MIN 67 FPS

Radeon RX 6900 XT

AVG 42 FPS

MIN 38 FPS

2160p

| high

GeForce RTX 4080 (+88%)

AVG 49 FPS

MIN 42 FPS

Radeon RX 6900 XT

AVG 26 FPS

MIN 22 FPS

Winner

Loser

PRAGMATA SKETCHBOOK - DEMO

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

1080p

| ultra

GeForce RTX 4080 (+46%)

AVG 121 FPS

MIN 109 FPS

Radeon RX 6900 XT

AVG 83 FPS

MIN 74 FPS

1440p

| ultra

GeForce RTX 4080 (+52%)

AVG 99 FPS

MIN 91 FPS

Radeon RX 6900 XT

AVG 65 FPS

MIN 59 FPS

2160p

| ultra

GeForce RTX 4080 (+73%)

AVG 64 FPS

MIN 57 FPS

Radeon RX 6900 XT

AVG 37 FPS

MIN 33 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 4080 (+42%)

AVG 155 FPS

MIN 132 FPS

Radeon RX 6900 XT

AVG 109 FPS

MIN 94 FPS

1440p

| ultra

| Patch: v1.1.0

GeForce RTX 4080 (+47%)

AVG 135 FPS

MIN 120 FPS

Radeon RX 6900 XT

AVG 92 FPS

MIN 81 FPS

2160p

| ultra

| Patch: v1.1.0

GeForce RTX 4080 (+51%)

AVG 89 FPS

MIN 81 FPS

Radeon RX 6900 XT

AVG 59 FPS

MIN 52 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 4080 (+78%)

AVG 276 FPS

MIN 68 FPS

Radeon RX 6900 XT

AVG 155 FPS

MIN 40 FPS

1440p

| high

GeForce RTX 4080 (+71%)

AVG 222 FPS

MIN 50 FPS

Radeon RX 6900 XT

AVG 130 FPS

MIN 28 FPS

2160p

| high

GeForce RTX 4080 (+51%)

AVG 103 FPS

MIN 22 FPS

Radeon RX 6900 XT

AVG 68 FPS

MIN 13 FPS

Winner

Loser

Of Ash and Steel

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

1080p

| ultra

GeForce RTX 4080 (+73%)

AVG 252 FPS

MIN 197 FPS

Radeon RX 6900 XT

AVG 146 FPS

MIN 130 FPS

1440p

| ultra

GeForce RTX 4080 (+79%)

AVG 216 FPS

MIN 170 FPS

Radeon RX 6900 XT

AVG 121 FPS

MIN 108 FPS

2160p

| ultra

GeForce RTX 4080 (+73%)

AVG 130 FPS

MIN 111 FPS

Radeon RX 6900 XT

AVG 75 FPS

MIN 67 FPS

Winner

Loser

Where Winds Meet

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

1080p

| ultra

Radeon RX 6900 XT

AVG 92 FPS

MIN 83 FPS

GeForce RTX 4080 (+72%)

AVG 158 FPS

MIN 143 FPS

1440p

| ultra

GeForce RTX 4080 (+56%)

AVG 125 FPS

MIN 114 FPS

Radeon RX 6900 XT

AVG 80 FPS

MIN 73 FPS

2160p

| ultra

GeForce RTX 4080 (+45%)

AVG 77 FPS

MIN 71 FPS

Radeon RX 6900 XT

AVG 53 FPS

MIN 49 FPS

Winner

Loser

No more benchmarks available for this comparison

NVIDIA GeForce RTX 4080 Wins!

Based on 563 benchmarks across 161 games

Avg FPS

Radeon RX 6900 XT

+49.4%

109

Avg FPS

GeForce RTX 4080