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

576 GB/s

Bandwidth

AMD Radeon RX 7900 GRE

$ Jul 2023 View Details

AMD Radeon RX 6600

8GB GDDR6 132W $329 Oct 2021

Radeon RX 6600

$329 • Oct 2021

Radeon RX 7900 GRE

$ • Jul 2023

AMD Radeon RX 7900 GRE

16GB GDDR6 260W $ Jul 2023

Specs Comparison

Specification	AMD Radeon RX 6600	AMD Radeon RX 7900 GRE
Memory Size	8 GB	16 GB
Memory Type	GDDR6	GDDR6
TDP	132 W	260 W
Core Clock	N/A	N/A
Boost Clock	2491 MHz	2245 MHz
Memory Bandwidth	224 GB/s	576 GB/s
Process Size	7nm	5nm
Architecture	RDNA 2.0	RDNA 3.0
Shading Units	1792	5120
RT Cores	28	80
TMUs	112	320
ROPs	64	160
Memory Bus	128-bit	256-bit
Memory Clock	1750 MHz	2250 MHz
Pixel Rate	159.4 GPixel/s	359.2 GPixel/s
Texture Rate	224 GTexel/s	576 GTexel/s
FP32 Performance	8.928 GFLOPS	45.98 GFLOPS
L2 Cache	2.00 MB	6.00 MB
Die Size	237 mm²	529 mm²
Transistors	11060 Million	57700 Million
Required PSU	300 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

7173

AMD Radeon RX 6600

21425 (+199%)

AMD Radeon RX 7900 GRE

Geekbench 6

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

OpenCL Score

58048

AMD Radeon RX 6600

172224 (+197%)

AMD Radeon RX 7900 GRE

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

279.4 FPS (+190%)

AMD Radeon RX 7900 GRE

PassMark G2D

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

G2D Mark

15115

AMD Radeon RX 6600

27080 (+79%)

AMD Radeon RX 7900 GRE

Game Benchmarks Comparison (48 benchmarks)

Split Fiction

8.7 2025 • Action, Adventure • Hazelight Studios

1080p

| ultra

Radeon RX 7900 GRE (+139%)

AVG 165 FPS

MIN 144 FPS

Radeon RX 6600

AVG 69 FPS

MIN 59 FPS

1440p

| ultra

Radeon RX 7900 GRE (+153%)

AVG 124 FPS

MIN 105 FPS

Radeon RX 6600

AVG 49 FPS

MIN 41 FPS

2160p

| ultra

Radeon RX 7900 GRE (+168%)

AVG 75 FPS

MIN 63 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 7900 GRE (+151%)

AVG 113 FPS

MIN 100 FPS

Radeon RX 6600

AVG 45 FPS

MIN 34 FPS

1440p

| ultra

Radeon RX 7900 GRE (+237%)

AVG 91 FPS

MIN 81 FPS

Radeon RX 6600

AVG 27 FPS

MIN 23 FPS

2160p

| ultra

Radeon RX 7900 GRE (+287%)

AVG 58 FPS

MIN 52 FPS

Radeon RX 6600

AVG 15 FPS

MIN 12 FPS

1080p

| ultra

| RTX

Radeon RX 7900 GRE (+283%)

AVG 46 FPS

MIN 39 FPS

Radeon RX 6600

AVG 12 FPS

MIN 9 FPS

1440p

| ultra

| RTX

Radeon RX 7900 GRE (+350%)

AVG 36 FPS

MIN 31 FPS

Radeon RX 6600

AVG 8 FPS

MIN 5 FPS

2160p

| ultra

| RTX

Radeon RX 7900 GRE (+667%)

AVG 23 FPS

MIN 19 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 7900 GRE (+117%)

AVG 191 FPS

MIN 171 FPS

Radeon RX 6600

AVG 88 FPS

MIN 73 FPS

1440p

| ultra

Radeon RX 7900 GRE (+135%)

AVG 148 FPS

MIN 131 FPS

Radeon RX 6600

AVG 63 FPS

MIN 54 FPS

2160p

| ultra

Radeon RX 7900 GRE (+168%)

AVG 91 FPS

MIN 81 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 7900 GRE (+166%)

AVG 101 FPS

MIN 88 FPS

Radeon RX 6600

AVG 38 FPS

MIN 33 FPS

1440p

| ultra

Radeon RX 7900 GRE (+165%)

AVG 82 FPS

MIN 70 FPS

Radeon RX 6600

AVG 31 FPS

MIN 26 FPS

2160p

| ultra

Radeon RX 7900 GRE (+194%)

AVG 53 FPS

MIN 45 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 7900 GRE (+375%)

AVG 57 FPS

MIN 50 FPS

Radeon RX 6600

AVG 12 FPS

MIN 9 FPS

1440p

| ultra

Radeon RX 7900 GRE (+390%)

AVG 49 FPS

MIN 43 FPS

Radeon RX 6600

AVG 10 FPS

MIN 8 FPS

2160p

| ultra

Radeon RX 7900 GRE (+325%)

AVG 34 FPS

MIN 28 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 7900 GRE (+151%)

AVG 211 FPS

MIN 186 FPS

Radeon RX 6600

AVG 84 FPS

MIN 75 FPS

1440p

| ultra

Radeon RX 7900 GRE (+183%)

AVG 153 FPS

MIN 138 FPS

Radeon RX 6600

AVG 54 FPS

MIN 44 FPS

2160p

| ultra

Radeon RX 7900 GRE (+183%)

AVG 82 FPS

MIN 74 FPS

Radeon RX 6600

AVG 29 FPS

MIN 26 FPS

Winner

Loser

No more benchmarks available for this comparison

AMD Radeon RX 7900 GRE Wins!

Based on 48 benchmarks across 14 games

Avg FPS

Radeon RX 6600

+207.6%

Avg FPS

Radeon RX 7900 GRE