amd

Brand

8GB GDDR6

Memory

2048

Cores

256 GB/s

Bandwidth

AMD Radeon RX 6600 XT

$379 Jul 2021 View Details

amd

Brand

16GB GDDR6

Memory

3840

Cores

624.1 GB/s

Bandwidth

AMD Radeon RX 7800 XT

$499 Aug 2023 View Details

AMD Radeon RX 6600 XT

8GB GDDR6 160W $379 Jul 2021

Radeon RX 6600 XT

$379 • Jul 2021

Radeon RX 7800 XT

$499 • Aug 2023

AMD Radeon RX 7800 XT

16GB GDDR6 263W $499 Aug 2023

Specs Comparison

Specification	AMD Radeon RX 6600 XT	AMD Radeon RX 7800 XT
Memory Size	8 GB	16 GB
Memory Type	GDDR6	GDDR6
TDP	160 W	263 W
Core Clock	N/A	N/A
Boost Clock	2589 MHz	2430 MHz
Memory Bandwidth	256 GB/s	624.1 GB/s
Process Size	7nm	5nm
Architecture	RDNA 2.0	RDNA 3.0
Shading Units	2048	3840
RT Cores	32	60
TMUs	128	240
ROPs	64	96
Memory Bus	128-bit	256-bit
Memory Clock	2000 MHz	2438 MHz
Pixel Rate	165.7 GPixel/s	233.3 GPixel/s
Texture Rate	256 GTexel/s	624.1 GTexel/s
FP32 Performance	10.6 GFLOPS	37.32 GFLOPS
L2 Cache	2.00 MB	4.00 MB
Die Size	237 mm²	346 mm²
Transistors	11060 Million	28100 Million
Required PSU	450 W	600 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

9026

AMD Radeon RX 6600 XT

18126 (+101%)

AMD Radeon RX 7800 XT

Geekbench 6

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

OpenCL Score

84088

AMD Radeon RX 6600 XT

148335 (+76%)

AMD Radeon RX 7800 XT

GFXBench 5.0

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

Aztec Ruins High (FPS)

116.8 FPS

AMD Radeon RX 6600 XT

230.1 FPS (+97%)

AMD Radeon RX 7800 XT

PassMark G2D

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

G2D Mark

16474

AMD Radeon RX 6600 XT

24222 (+47%)

AMD Radeon RX 7800 XT

Game Benchmarks Comparison (54 benchmarks)

Split Fiction

8.7 2025 • Action, Adventure • Hazelight Studios

1080p

| ultra

Radeon RX 7800 XT (+92%)

AVG 150 FPS

MIN 131 FPS

Radeon RX 6600 XT

AVG 78 FPS

MIN 66 FPS

1440p

| ultra

Radeon RX 7800 XT (+97%)

AVG 114 FPS

MIN 96 FPS

Radeon RX 6600 XT

AVG 58 FPS

MIN 48 FPS

2160p

| ultra

Radeon RX 7800 XT (+109%)

AVG 69 FPS

MIN 58 FPS

Radeon RX 6600 XT

AVG 33 FPS

MIN 28 FPS

Winner

Loser

Marvel's Spider-Man 2

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

1080p

| ultra

Radeon RX 7800 XT (+106%)

AVG 103 FPS

MIN 91 FPS

Radeon RX 6600 XT

AVG 50 FPS

MIN 38 FPS

1440p

| ultra

Radeon RX 7800 XT (+163%)

AVG 84 FPS

MIN 74 FPS

Radeon RX 6600 XT

AVG 32 FPS

MIN 27 FPS

2160p

| ultra

Radeon RX 7800 XT (+194%)

AVG 53 FPS

MIN 48 FPS

Radeon RX 6600 XT

AVG 18 FPS

MIN 14 FPS

1080p

| ultra

| RTX

Radeon RX 7800 XT (+223%)

AVG 42 FPS

MIN 36 FPS

Radeon RX 6600 XT

AVG 13 FPS

MIN 10 FPS

1440p

| ultra

| RTX

Radeon RX 7800 XT (+267%)

AVG 33 FPS

MIN 28 FPS

Radeon RX 6600 XT

AVG 9 FPS

MIN 6 FPS

2160p

| ultra

| RTX

Radeon RX 7800 XT (+600%)

AVG 21 FPS

MIN 17 FPS

Radeon RX 6600 XT

AVG 3 FPS

MIN 2 FPS

Winner

Loser

Sniper Elite Resistance

8.5 2025 • Action, Adventure • Rebellion

1080p

| ultra

Radeon RX 7800 XT (+76%)

AVG 174 FPS

MIN 156 FPS

Radeon RX 6600 XT

AVG 99 FPS

MIN 82 FPS

1440p

| ultra

Radeon RX 7800 XT (+84%)

AVG 136 FPS

MIN 120 FPS

Radeon RX 6600 XT

AVG 74 FPS

MIN 64 FPS

2160p

| ultra

Radeon RX 7800 XT (+102%)

AVG 83 FPS

MIN 74 FPS

Radeon RX 6600 XT

AVG 41 FPS

MIN 33 FPS

Winner

Loser

FINAL FANTASY VII REBIRTH

8.1 2025 • Action, Adventure, RPG • Square Enix

1080p

| ultra

Radeon RX 7800 XT (+114%)

AVG 92 FPS

MIN 80 FPS

Radeon RX 6600 XT

AVG 43 FPS

MIN 37 FPS

1440p

| ultra

Radeon RX 7800 XT (+108%)

AVG 75 FPS

MIN 64 FPS

Radeon RX 6600 XT

AVG 36 FPS

MIN 30 FPS

2160p

| ultra

Radeon RX 7800 XT (+129%)

AVG 48 FPS

MIN 41 FPS

Radeon RX 6600 XT

AVG 21 FPS

MIN 18 FPS

Winner

Loser

Assetto Corsa EVO

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

1080p

| ultra

Radeon RX 7800 XT (+300%)

AVG 52 FPS

MIN 45 FPS

Radeon RX 6600 XT

AVG 13 FPS

MIN 10 FPS

1440p

| ultra

Radeon RX 7800 XT (+275%)

AVG 45 FPS

MIN 40 FPS

Radeon RX 6600 XT

AVG 12 FPS

MIN 9 FPS

2160p

| ultra

Radeon RX 7800 XT (+210%)

AVG 31 FPS

MIN 26 FPS

Radeon RX 6600 XT

AVG 10 FPS

MIN 8 FPS

Winner

Loser

DYNASTY WARRIORS ORIGINS

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

1080p

| ultra

Radeon RX 7800 XT (+104%)

AVG 192 FPS

MIN 169 FPS

Radeon RX 6600 XT

AVG 94 FPS

MIN 84 FPS

1440p

| ultra

Radeon RX 7800 XT (+120%)

AVG 141 FPS

MIN 127 FPS

Radeon RX 6600 XT

AVG 64 FPS

MIN 52 FPS

2160p

| ultra

Radeon RX 7800 XT (+124%)

AVG 76 FPS

MIN 68 FPS

Radeon RX 6600 XT

AVG 34 FPS

MIN 31 FPS

Winner

Loser

No more benchmarks available for this comparison

AMD Radeon RX 7800 XT Wins!

Based on 54 benchmarks across 16 games

Avg FPS

Radeon RX 6600 XT

+141.1%

Avg FPS

Radeon RX 7800 XT