amd

Brand

16GB GDDR6

Memory

5120

Cores

512 GB/s

Bandwidth

AMD Radeon RX 6900 XT

$999 Oct 2020 View Details

nvidia

Brand

16GB GDDR6X

Memory

9728

Cores

716.8 GB/s

Bandwidth

NVIDIA GeForce RTX 4080

$1199 Sep 2022 View Details

AMD Radeon RX 6900 XT

16GB GDDR6 300W $999 Oct 2020

Radeon RX 6900 XT

$999 • Oct 2020

GeForce RTX 4080

$1199 • Sep 2022

NVIDIA GeForce RTX 4080

16GB GDDR6X 320W $1199 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 (542 benchmarks)

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

Assetto Corsa Rally

8.1 2025 • Racing • Supernova Games Studios

1080p

| ultra

GeForce RTX 4080 (+66%)

AVG 138 FPS

MIN 117 FPS

Radeon RX 6900 XT

AVG 83 FPS

MIN 71 FPS

1440p

| ultra

GeForce RTX 4080 (+59%)

AVG 102 FPS

MIN 88 FPS

Radeon RX 6900 XT

AVG 64 FPS

MIN 56 FPS

2160p

| ultra

GeForce RTX 4080 (+61%)

AVG 61 FPS

MIN 52 FPS

Radeon RX 6900 XT

AVG 38 FPS

MIN 33 FPS

Winner

Loser

Anno 117 Pax Romana

7.5 2025 • Simulation, Strategy • Ubisoft Mainz

1080p

| ultra

GeForce RTX 4080 (+66%)

AVG 93 FPS

MIN 56 FPS

Radeon RX 6900 XT

AVG 56 FPS

MIN 34 FPS

1440p

| ultra

GeForce RTX 4080 (+72%)

AVG 74 FPS

MIN 47 FPS

Radeon RX 6900 XT

AVG 43 FPS

MIN 28 FPS

2160p

| ultra

GeForce RTX 4080 (+71%)

AVG 48 FPS

MIN 33 FPS

Radeon RX 6900 XT

AVG 28 FPS

MIN 20 FPS

1080p

| ultra

| RTX

GeForce RTX 4080 (+88%)

AVG 77 FPS

MIN 50 FPS

Radeon RX 6900 XT

AVG 41 FPS

MIN 27 FPS

1440p

| ultra

| RTX

GeForce RTX 4080 (+93%)

AVG 58 FPS

MIN 40 FPS

Radeon RX 6900 XT

AVG 30 FPS

MIN 22 FPS

2160p

| ultra

| RTX

GeForce RTX 4080 (+89%)

AVG 34 FPS

MIN 25 FPS

Radeon RX 6900 XT

AVG 18 FPS

MIN 14 FPS

Winner

Loser

Europa Universalis V

8.1 2025 • Strategy • Paradox Tinto

1080p

| ultra

GeForce RTX 4080 (+38%)

AVG 131 FPS

MIN 118 FPS

Radeon RX 6900 XT

AVG 95 FPS

MIN 86 FPS

1440p

| ultra

GeForce RTX 4080 (+34%)

AVG 79 FPS

MIN 71 FPS

Radeon RX 6900 XT

AVG 59 FPS

MIN 54 FPS

2160p

| ultra

GeForce RTX 4080 (+20%)

AVG 36 FPS

MIN 32 FPS

Radeon RX 6900 XT

AVG 30 FPS

MIN 28 FPS

Winner

Loser

Jurassic World Evolution 3

8 2025 • Simulation, Strategy • Frontier Developments

1080p

| ultra

GeForce RTX 4080 (+63%)

AVG 117 FPS

MIN 94 FPS

Radeon RX 6900 XT

AVG 72 FPS

MIN 56 FPS

1440p

| ultra

GeForce RTX 4080 (+70%)

AVG 92 FPS

MIN 77 FPS

Radeon RX 6900 XT

AVG 54 FPS

MIN 40 FPS

2160p

| ultra

GeForce RTX 4080 (+74%)

AVG 54 FPS

MIN 46 FPS

Radeon RX 6900 XT

AVG 31 FPS

MIN 22 FPS

Winner

Loser

The Outer Worlds 2

8 2025 • Action, Adventure, RPG • Obsidian Entertainment

1080p

| ultra

GeForce RTX 4080 (+50%)

AVG 69 FPS

MIN 64 FPS

Radeon RX 6900 XT

AVG 46 FPS

MIN 42 FPS

1440p

| ultra

GeForce RTX 4080 (+48%)

AVG 49 FPS

MIN 44 FPS

Radeon RX 6900 XT

AVG 33 FPS

MIN 28 FPS

2160p

| ultra

GeForce RTX 4080 (+71%)

AVG 29 FPS

MIN 25 FPS

Radeon RX 6900 XT

AVG 17 FPS

MIN 15 FPS

1080p

| ultra

| RTX

GeForce RTX 4080 (+62%)

AVG 63 FPS

MIN 54 FPS

Radeon RX 6900 XT

AVG 39 FPS

MIN 36 FPS

1440p

| ultra

| RTX

GeForce RTX 4080 (+68%)

AVG 47 FPS

MIN 42 FPS

Radeon RX 6900 XT

AVG 28 FPS

MIN 25 FPS

2160p

| ultra

| RTX

GeForce RTX 4080 (+75%)

AVG 28 FPS

MIN 24 FPS

Radeon RX 6900 XT

AVG 16 FPS

MIN 14 FPS

Winner

Loser

No more benchmarks available for this comparison

NVIDIA GeForce RTX 4080 Wins!

Based on 542 benchmarks across 156 games

Avg FPS

Radeon RX 6900 XT

+48.7%

109

Avg FPS

GeForce RTX 4080