amd

Brand

8GB GDDR6

Memory

1792

Cores

224 GB/s

Bandwidth

AMD Radeon RX 6600

$329 Oct 2021 View Details

amd

Brand

16GB GDDR6

Memory

5120

Cores

512 GB/s

Bandwidth

AMD Radeon RX 6900 XT

$999 Oct 2020 View Details

AMD Radeon RX 6600

8GB GDDR6 132W $329 Oct 2021

Radeon RX 6600

$329 • Oct 2021

Radeon RX 6900 XT

$999 • Oct 2020

AMD Radeon RX 6900 XT

16GB GDDR6 300W $999 Oct 2020

Specs Comparison

Specification	AMD Radeon RX 6600	AMD Radeon RX 6900 XT
Memory Size	8 GB	16 GB
Memory Type	GDDR6	GDDR6
TDP	132 W	300 W
Core Clock	N/A	N/A
Boost Clock	2491 MHz	2250 MHz
Memory Bandwidth	224 GB/s	512 GB/s
Process Size	7nm	7nm
Architecture	RDNA 2.0	RDNA 2.0
Shading Units	1792	5120
RT Cores	28	80
TMUs	112	320
ROPs	64	128
Memory Bus	128-bit	256-bit
Memory Clock	1750 MHz	2000 MHz
Pixel Rate	159.4 GPixel/s	288 GPixel/s
Texture Rate	224 GTexel/s	512 GTexel/s
FP32 Performance	8.928 GFLOPS	23.04 GFLOPS
L2 Cache	2.00 MB	4.00 MB
Die Size	237 mm²	520 mm²
Transistors	11060 Million	26800 Million
Required PSU	300 W	700 W
Power Connectors	1x 8-pin	2x 8-pin
Bus Interface	PCIe 4.0 x8	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

7173

AMD Radeon RX 6600

20261 (+182%)

AMD Radeon RX 6900 XT

Geekbench 6

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

OpenCL Score

58048

AMD Radeon RX 6600

124121 (+114%)

AMD Radeon RX 6900 XT

GFXBench 5.0

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

Aztec Ruins High (FPS)

96.4 FPS

AMD Radeon RX 6600

305.2 FPS (+217%)

AMD Radeon RX 6900 XT

PassMark G2D

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

G2D Mark

15115

AMD Radeon RX 6600

26744 (+77%)

AMD Radeon RX 6900 XT

Game Benchmarks Comparison (494 benchmarks)

Split Fiction

8.7 2025 • Action, Adventure • Hazelight Studios

1080p

| ultra

Radeon RX 6900 XT (+132%)

AVG 160 FPS

MIN 137 FPS

Radeon RX 6600

AVG 69 FPS

MIN 59 FPS

1440p

| ultra

Radeon RX 6900 XT (+149%)

AVG 122 FPS

MIN 107 FPS

Radeon RX 6600

AVG 49 FPS

MIN 41 FPS

2160p

| ultra

Radeon RX 6900 XT (+164%)

AVG 74 FPS

MIN 62 FPS

Radeon RX 6600

AVG 28 FPS

MIN 24 FPS

Winner

Loser

Marvel's Spider-Man 2

7.9 2025 • Action, Adventure • Insomniac Games, Nixxes Software

1080p

| ultra

Radeon RX 6900 XT (+107%)

AVG 93 FPS

MIN 84 FPS

Radeon RX 6600

AVG 45 FPS

MIN 34 FPS

1440p

| ultra

Radeon RX 6900 XT (+196%)

AVG 80 FPS

MIN 72 FPS

Radeon RX 6600

AVG 27 FPS

MIN 23 FPS

2160p

| ultra

Radeon RX 6900 XT (+253%)

AVG 53 FPS

MIN 47 FPS

Radeon RX 6600

AVG 15 FPS

MIN 12 FPS

1080p

| ultra

| RTX

Radeon RX 6900 XT (+225%)

AVG 39 FPS

MIN 34 FPS

Radeon RX 6600

AVG 12 FPS

MIN 9 FPS

1440p

| ultra

| RTX

Radeon RX 6900 XT (+288%)

AVG 31 FPS

MIN 26 FPS

Radeon RX 6600

AVG 8 FPS

MIN 5 FPS

2160p

| ultra

| RTX

Radeon RX 6900 XT (+567%)

AVG 20 FPS

MIN 14 FPS

Radeon RX 6600

AVG 3 FPS

MIN 2 FPS

Winner

Loser

Sniper Elite Resistance

8.5 2025 • Action, Adventure • Rebellion

1080p

| ultra

Radeon RX 6900 XT (+102%)

AVG 178 FPS

MIN 158 FPS

Radeon RX 6600

AVG 88 FPS

MIN 73 FPS

1440p

| ultra

Radeon RX 6900 XT (+133%)

AVG 147 FPS

MIN 126 FPS

Radeon RX 6600

AVG 63 FPS

MIN 54 FPS

2160p

| ultra

Radeon RX 6900 XT (+162%)

AVG 89 FPS

MIN 76 FPS

Radeon RX 6600

AVG 34 FPS

MIN 28 FPS

Winner

Loser

FINAL FANTASY VII REBIRTH

8.1 2025 • Action, Adventure, RPG • Square Enix

1080p

| ultra

Radeon RX 6900 XT (+103%)

AVG 77 FPS

MIN 68 FPS

Radeon RX 6600

AVG 38 FPS

MIN 33 FPS

1440p

| ultra

Radeon RX 6900 XT (+113%)

AVG 66 FPS

MIN 57 FPS

Radeon RX 6600

AVG 31 FPS

MIN 26 FPS

2160p

| ultra

Radeon RX 6900 XT (+150%)

AVG 45 FPS

MIN 39 FPS

Radeon RX 6600

AVG 18 FPS

MIN 15 FPS

Winner

Loser

Assetto Corsa EVO

6 2025 • Racing, Simulation, Sports, Early Access • KUNOS Simulazioni

1080p

| ultra

Radeon RX 6900 XT (+325%)

AVG 51 FPS

MIN 41 FPS

Radeon RX 6600

AVG 12 FPS

MIN 9 FPS

1440p

| ultra

Radeon RX 6900 XT (+350%)

AVG 45 FPS

MIN 36 FPS

Radeon RX 6600

AVG 10 FPS

MIN 8 FPS

2160p

| ultra

Radeon RX 6900 XT (+300%)

AVG 32 FPS

MIN 29 FPS

Radeon RX 6600

AVG 8 FPS

MIN 7 FPS

Winner

Loser

DYNASTY WARRIORS ORIGINS

8.6 2025 • Action, RPG, Strategy • KOEI TECMO GAMES CO., LTD.

1080p

| ultra

Radeon RX 6900 XT (+118%)

AVG 183 FPS

MIN 158 FPS

Radeon RX 6600

AVG 84 FPS

MIN 75 FPS

1440p

| ultra

Radeon RX 6900 XT (+120%)

AVG 119 FPS

MIN 98 FPS

Radeon RX 6600

AVG 54 FPS

MIN 44 FPS

2160p

| ultra

Radeon RX 6900 XT (+152%)

AVG 73 FPS

MIN 64 FPS

Radeon RX 6600

AVG 29 FPS

MIN 26 FPS

Winner

Loser

No more benchmarks available for this comparison

AMD Radeon RX 6900 XT Wins!

Based on 494 benchmarks across 127 games

Avg FPS

Radeon RX 6600

+138.4%

Avg FPS

Radeon RX 6900 XT