amd

Brand

8GB GDDR6

Memory

2048

Cores

256 GB/s

Bandwidth

AMD Radeon RX 6600 XT

$379 Jul 2021 View Details

amd

Brand

12GB GDDR6

Memory

3456

Cores

432 GB/s

Bandwidth

AMD Radeon RX 7700 XT

$449 Aug 2023 View Details

AMD Radeon RX 6600 XT

8GB GDDR6 160W $379 Jul 2021

Radeon RX 6600 XT

$379 • Jul 2021

Radeon RX 7700 XT

$449 • Aug 2023

AMD Radeon RX 7700 XT

12GB GDDR6 245W $449 Aug 2023

Specs Comparison

Specification	AMD Radeon RX 6600 XT	AMD Radeon RX 7700 XT
Memory Size	8 GB	12 GB
Memory Type	GDDR6	GDDR6
TDP	160 W	245 W
Core Clock	N/A	N/A
Boost Clock	2589 MHz	2544 MHz
Memory Bandwidth	256 GB/s	432 GB/s
Process Size	7nm	5nm
Architecture	RDNA 2.0	RDNA 3.0
Shading Units	2048	3456
RT Cores	32	54
TMUs	128	216
ROPs	64	96
Memory Bus	128-bit	192-bit
Memory Clock	2000 MHz	2250 MHz
Pixel Rate	165.7 GPixel/s	244.2 GPixel/s
Texture Rate	256 GTexel/s	432 GTexel/s
FP32 Performance	10.6 GFLOPS	35.17 GFLOPS
L2 Cache	2.00 MB	2.00 MB
Die Size	237 mm²	346 mm²
Transistors	11060 Million	28100 Million
Required PSU	450 W	550 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

14983 (+66%)

AMD Radeon RX 7700 XT

Geekbench 6

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

OpenCL Score

84088

AMD Radeon RX 6600 XT

132843 (+58%)

AMD Radeon RX 7700 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

174.9 FPS (+50%)

AMD Radeon RX 7700 XT

PassMark G2D

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

G2D Mark

16474

AMD Radeon RX 6600 XT

22460 (+36%)

AMD Radeon RX 7700 XT

Game Benchmarks Comparison (12 benchmarks)

Witchfire

8.5 2023 • Action, Early Access • The Astronauts

1080p

| ultra

Radeon RX 7700 XT (+55%)

AVG 150 FPS

MIN 133 FPS

Radeon RX 6600 XT

AVG 97 FPS

MIN 82 FPS

1440p

| ultra

Radeon RX 7700 XT (+61%)

AVG 92 FPS

MIN 82 FPS

Radeon RX 6600 XT

AVG 57 FPS

MIN 50 FPS

2160p

| ultra

Radeon RX 7700 XT (+61%)

AVG 45 FPS

MIN 40 FPS

Radeon RX 6600 XT

AVG 28 FPS

MIN 24 FPS

Winner

Loser

The Talos Principle 2

7.2 2023 • Action, Adventure • Croteam

1080p

| high

Radeon RX 7700 XT (+98%)

AVG 83 FPS

MIN 70 FPS

Radeon RX 6600 XT

AVG 42 FPS

MIN 36 FPS

1440p

| high

Radeon RX 7700 XT (+89%)

AVG 53 FPS

MIN 45 FPS

Radeon RX 6600 XT

AVG 28 FPS

MIN 23 FPS

2160p

| high

Radeon RX 7700 XT (+108%)

AVG 25 FPS

MIN 26 FPS

Radeon RX 6600 XT

AVG 12 FPS

MIN 9 FPS

Winner

Loser

Forza Motorsport

7.7 2023 • Racing • Turn 10

1080p

| ultra

Radeon RX 7700 XT (+86%)

AVG 41 FPS

MIN 35 FPS

Radeon RX 6600 XT

AVG 22 FPS

MIN 19 FPS

1440p

| ultra

Radeon RX 7700 XT (+106%)

AVG 37 FPS

MIN 33 FPS

Radeon RX 6600 XT

AVG 18 FPS

MIN 13 FPS

2160p

| ultra

Radeon RX 7700 XT (+222%)

AVG 29 FPS

MIN 27 FPS

Radeon RX 6600 XT

AVG 9 FPS

MIN 5 FPS

Winner

Loser

Assassin's Creed Mirage

8 2023 • Action, Adventure • Ubisoft Bordeaux

1080p

| ultra

Radeon RX 7700 XT (+59%)

AVG 116 FPS

MIN 101 FPS

Radeon RX 6600 XT

AVG 73 FPS

MIN 61 FPS

1440p

| ultra

Radeon RX 7700 XT (+64%)

AVG 90 FPS

MIN 83 FPS

Radeon RX 6600 XT

AVG 55 FPS

MIN 46 FPS

2160p

| ultra

Radeon RX 7700 XT (+74%)

AVG 54 FPS

MIN 49 FPS

Radeon RX 6600 XT

AVG 31 FPS

MIN 26 FPS

Winner

Loser

AMD Radeon RX 7700 XT Wins!

Based on 12 benchmarks across 4 games

Avg FPS

Radeon RX 6600 XT

+72.7%

Avg FPS

Radeon RX 7700 XT