AMD Radeon RX 6900 XT VS AMD Radeon RX 7900 GRE

amd

Brand

16GB GDDR6

Memory

5120

Cores

512 GB/s

Bandwidth

Radeon RX 6900 XT

$499.99 Oct 2020 View Details

$499.99

amd

Brand

16GB GDDR6

Memory

5120

Cores

576 GB/s

Bandwidth

Radeon RX 7900 GRE

N/A Jul 2023 View Details

Check Prices

AMD Radeon RX 6900 XT

16GB GDDR6 300W $499.99 Oct 2020

Radeon RX 6900 XT

$999 • Oct 2020

Radeon RX 7900 GRE

$ • Jul 2023

AMD Radeon RX 7900 GRE

16GB GDDR6 260W N/A Jul 2023

Specs Comparison

Specification	AMD Radeon RX 6900 XT	AMD Radeon RX 7900 GRE
Memory Size	16 GB	16 GB
Memory Type	GDDR6	GDDR6
TDP	300 W	260 W
Core Clock	N/A	N/A
Boost Clock	2250 MHz	2245 MHz
Memory Bandwidth	512 GB/s	576 GB/s
Process Size	7nm	5nm
Architecture	RDNA 2.0	RDNA 3.0
Shading Units	5120	5120
RT Cores	80	80
TMUs	320	320
ROPs	128	160
Memory Bus	256-bit	256-bit
Memory Clock	2000 MHz	2250 MHz
Pixel Rate	288 GPixel/s	359.2 GPixel/s
Texture Rate	512 GTexel/s	576 GTexel/s
FP32 Performance	23.04 GFLOPS	45.98 GFLOPS
L2 Cache	4.00 MB	6.00 MB
Die Size	520 mm²	529 mm²
Transistors	26800 Million	57700 Million
Required PSU	700 W	600 W
Power Connectors	2x 8-pin	2x 8-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

21425 (+6%)

AMD Radeon RX 7900 GRE

Geekbench 6

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

OpenCL Score

124121

AMD Radeon RX 6900 XT

172224 (+39%)

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)

305.2 FPS (+9%)

AMD Radeon RX 6900 XT

279.4 FPS

AMD Radeon RX 7900 GRE

PassMark G2D

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

G2D Mark

26744

AMD Radeon RX 6900 XT

27080 (+1%)

AMD Radeon RX 7900 GRE

Game Benchmarks Comparison (300 benchmarks)

Styx: Blades of Greed

7.2 2026 • Action, Adventure • Cyanide Studio

1080p

| ultra

Radeon RX 7900 GRE (+31%)

AVG 76 FPS

MIN 68 FPS

Radeon RX 6900 XT

AVG 58 FPS

MIN 51 FPS

1440p

| ultra

Radeon RX 7900 GRE (+33%)

AVG 60 FPS

MIN 52 FPS

Radeon RX 6900 XT

AVG 45 FPS

MIN 39 FPS

2160p

| ultra

Radeon RX 7900 GRE (+15%)

AVG 31 FPS

MIN 26 FPS

Radeon RX 6900 XT

AVG 27 FPS

MIN 19 FPS

Winner

Loser

CODE VEIN II DEMO

7.8 2026 • Action, RPG • Bandai Namco Studios Inc.

1080p

| ultra

| Patch: vDemo

Radeon RX 7900 GRE (+11%)

AVG 92 FPS

MIN 84 FPS

Radeon RX 6900 XT

AVG 83 FPS

MIN 70 FPS

1440p

| ultra

| Patch: vDemo

Radeon RX 7900 GRE (+9%)

AVG 61 FPS

MIN 54 FPS

Radeon RX 6900 XT

AVG 56 FPS

MIN 48 FPS

2160p

| ultra

| Patch: vDemo

Radeon RX 7900 GRE (+7%)

AVG 30 FPS

MIN 26 FPS

Radeon RX 6900 XT

AVG 28 FPS

MIN 24 FPS

Winner

Loser

Avatar: Frontiers of Pandora From The Ashes

7.6 2025 • Action, Adventure • Massive Entertainment – A Ubisoft Studio, Ubisoft Montpellier, Ubisoft Shanghai, Ubisoft Toronto, Ubisoft Düsseldorf, Ubisoft Reflections

1080p

| high

Radeon RX 7900 GRE (+17%)

AVG 70 FPS

MIN 59 FPS

Radeon RX 6900 XT

AVG 60 FPS

MIN 53 FPS

1440p

| high

Radeon RX 7900 GRE (+14%)

AVG 48 FPS

MIN 43 FPS

Radeon RX 6900 XT

AVG 42 FPS

MIN 38 FPS

2160p

| high

Radeon RX 7900 GRE (+15%)

AVG 30 FPS

MIN 26 FPS

Radeon RX 6900 XT

AVG 26 FPS

MIN 22 FPS

Winner

Loser

PRAGMATA SKETCHBOOK - DEMO

8.2 2025 • Action, Adventure • CAPCOM Co., Ltd.

1080p

| ultra

Radeon RX 7900 GRE (+14%)

AVG 95 FPS

MIN 86 FPS

Radeon RX 6900 XT

AVG 83 FPS

MIN 74 FPS

1440p

| ultra

Radeon RX 7900 GRE (+12%)

AVG 73 FPS

MIN 66 FPS

Radeon RX 6900 XT

AVG 65 FPS

MIN 59 FPS

2160p

| ultra

Radeon RX 7900 GRE (+16%)

AVG 43 FPS

MIN 39 FPS

Radeon RX 6900 XT

AVG 37 FPS

MIN 33 FPS

Winner

Loser

Assassin's Creed Mirage Valley of Memories Background

Assassin's Creed Mirage Valley of Memories

8 2025 • Action, Adventure • Ubisoft Bordeaux

1080p

| ultra

| Patch: v1.1.0

Radeon RX 7900 GRE (+3%)

AVG 112 FPS

MIN 97 FPS

Radeon RX 6900 XT

AVG 109 FPS

MIN 94 FPS

1440p

| ultra

| Patch: v1.1.0

Radeon RX 6900 XT (+0%)

AVG 92 FPS

MIN 81 FPS

Radeon RX 7900 GRE (+0%)

AVG 92 FPS

MIN 83 FPS

2160p

| ultra

| Patch: v1.1.0

Radeon RX 7900 GRE (+2%)

AVG 60 FPS

MIN 54 FPS

Radeon RX 6900 XT

AVG 59 FPS

MIN 52 FPS

Winner

Loser

Company of Heroes 3: Endure & Defy Background

Company of Heroes 3: Endure & Defy

8.5 2025 • Action, Strategy • Relic Entertainment

1080p

| high

Radeon RX 6900 XT (+3%)

AVG 155 FPS

MIN 40 FPS

Radeon RX 7900 GRE

AVG 151 FPS

MIN 41 FPS

1440p

| high

Radeon RX 6900 XT (+3%)

AVG 130 FPS

MIN 28 FPS

Radeon RX 7900 GRE

AVG 126 FPS

MIN 28 FPS

2160p

| high

Radeon RX 7900 GRE (+4%)

AVG 71 FPS

MIN 14 FPS

Radeon RX 6900 XT

AVG 68 FPS

MIN 13 FPS

Winner

Loser

No more benchmarks available for this comparison

AMD Radeon RX 7900 GRE Wins!

Based on 300 benchmarks across 83 games

Avg FPS

Radeon RX 6900 XT

+13%

Avg FPS

Radeon RX 7900 GRE