G3D Mark is a standard benchmark that measures graphics performance in real-world gaming scenarios. It simplifies comparing cards from different brands, where higher scores directly correlate with better fps and smoother gaming experiences.

Radeon RX 6900 XT vs Radeon RX 7900 GRE FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with Ryzen 7 9800X3D to isolate GPU performance.

Search any supported game below to compare 1080p FPS for both components.

Radeon RX 6900 XT vs Radeon RX 7900 GRE: Pros, Cons & Final Verdict

See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.

Radeon RX 6900 XT

2020

Why buy it

✅Competitive enough if your priority is price, power, or specific feature preference.

Trade-offs

❌Lower average FPS than Radeon RX 7900 GRE across 50 tracked games in our benchmark data.
❌Radeon RX 7900 GRE is the safer long-term pick here because the hardware is newer and the feature stack is stronger.
❌
82% HIGHER MSRP
$999 MSRPvs$549 MSRP
❌Lower G3D Mark per dollar, at 26.8 vs 49.5 G3D/$ ($999 MSRP vs $549 MSRP).
❌15.4% higher power demand at 300W vs 260W.

Radeon RX 7900 GRE

2023

Why buy it

✅0.6% more average FPS across 50 tracked games in our benchmark data.
✅Costs $450 less on MSRP ($549 MSRP vs $999 MSRP).
✅Delivers 84.9% more G3D Mark for each dollar spent, at 49.5 vs 26.8 G3D/$ ($549 MSRP vs $999 MSRP).
✅Better long-term bet: RDNA 3.0 on 5nm gives it a newer hardware base for upcoming games.
✅Draws 260W instead of 300W, a 40W reduction.

Trade-offs

❌Fewer clear downsides in this head-to-head, aside from the usual pricing and availability swings.

Quick Answers

Which GPU is faster for gaming right now?

Radeon RX 7900 GRE is the faster gaming card right now. In our data, it leads by 0.6% in average FPS across 50 tracked games in our benchmark data and by 1.6% in PassMark G3D (27,162 vs 26,729), so the answer here is pretty clean.

Which GPU is the safer long-term pick for 2026 and beyond?

Radeon RX 7900 GRE is the safer long-term pick for 2026 and beyond. The case is simple: a 5nm process instead of 7nm and a newer 2023 generation instead of 2020. That makes it the less risky pick as game demands keep moving.

Which GPU is the better buy today?

Radeon RX 7900 GRE makes the most sense to buy today. It is $450 cheaper on MSRP at $549 vs $999, and it leads G3D-per-dollar by 84.9% (49.5 vs 26.8), so the value case lines up with the gaming result.

Radeon RX 6900 XT vs Radeon RX 7900 GRE Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Radeon RX 6900 XT

The Radeon RX 6900 XT is manufactured by AMD. It was released in October 28 2020. It features the RDNA 2.0 architecture. The core clock ranges from 1825 MHz to 2250 MHz. It has 5120 shading units. The thermal design power (TDP) is 300W. Manufactured using 7 nm process technology. It features 80 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 26,729 points. Launch price was $999.

Radeon RX 7900 GRE

The Radeon RX 7900 GRE is manufactured by AMD. It was released in July 27 2023. It features the RDNA 3.0 architecture. The core clock ranges from 1287 MHz to 2245 MHz. It has 5120 shading units. The thermal design power (TDP) is 260W. Manufactured using 5 nm process technology. It features 80 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 27,162 points. Launch price was $549.

⚡

Graphics Performance

The Radeon RX 6900 XT scores 26,729 and the Radeon RX 7900 GRE reaches 27,162 in the G3D Mark benchmark — just a 1.6% difference, making them near-identical in rasterization performance. The Radeon RX 6900 XT is built on RDNA 2.0 while the Radeon RX 7900 GRE uses RDNA 3.0, both on 7 nm vs 5 nm. Shader units: 5,120 (Radeon RX 6900 XT) vs 5,120 (Radeon RX 7900 GRE). Raw compute: 23.04 TFLOPS (Radeon RX 6900 XT) vs 45.98 TFLOPS (Radeon RX 7900 GRE). Boost clocks: 2250 MHz vs 2245 MHz. Ray tracing: 80 RT cores (Radeon RX 6900 XT) vs 80 (Radeon RX 7900 GRE).

Feature	Radeon RX 6900 XT	Radeon RX 7900 GRE
G3D Mark Score	26,729	27,162+2%
Architecture	RDNA 2.0	RDNA 3.0
Process Node	7 nm	5 nm
Shading Units	5120	5120
Compute (TFLOPS)	23.04 TFLOPS	45.98 TFLOPS+100%
Boost Clock	2250 MHz	2245 MHz
ROPs	128	160+25%
TMUs	320	320
L1 Cache	1 MB	2.5 MB+150%
L2 Cache	4 MB	6 MB+50%
Frame Generation	FSR 3 + AFMF	FSR 3 + AFMF
Ray Tracing Cores	80	80

✨

Advanced Features (DLSS/FSR)

Both cards support Frame Generation in supported games, so this part of the feature set is broadly comparable.

Feature	Radeon RX 6900 XT	Radeon RX 7900 GRE
Upscaling Tech	FSR 3	FSR 3
Frame Generation	FSR Frame Generation + AFMF	FSR Frame Generation + AFMF
Ray Reconstruction	No	No
Low Latency	AMD Anti-Lag	AMD Anti-Lag

💾

Video Memory (VRAM)

Both cards ship with 16 GB of GDDR6. Memory bandwidth: 512 GB/s (Radeon RX 6900 XT) vs 576 GB/s (Radeon RX 7900 GRE) — a 12.5% advantage for the Radeon RX 7900 GRE. Memory bus width is 256-bit on the Radeon RX 6900 XT and 256-bit on the Radeon RX 7900 GRE. L2 Cache: 4 MB (Radeon RX 6900 XT) vs 6 MB (Radeon RX 7900 GRE) — the Radeon RX 7900 GRE has significantly larger on-die cache to reduce VRAM reliance.

Feature	Radeon RX 6900 XT	Radeon RX 7900 GRE
VRAM Capacity	16 GB	16 GB
Memory Type	GDDR6	GDDR6
Memory Bandwidth	512 GB/s	576 GB/s+13%
Bus Width	256-bit	256-bit
L2 Cache	4 MB	6 MB+50%

🖥️

Display & API Support

DirectX support: 12 Ultimate (Radeon RX 6900 XT) vs 12 Ultimate (Radeon RX 7900 GRE). Vulkan: 1.3 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 4.

Feature	Radeon RX 6900 XT	Radeon RX 7900 GRE
DirectX	12 Ultimate	12 Ultimate
Vulkan	1.3	1.3
OpenGL	4.6	4.6
Max Displays	4	4

🎬

Media & Encoding

Hardware encoder: VCN 3.0 (Radeon RX 6900 XT) vs VCN 4.0 (Radeon RX 7900 GRE). Decoder: VCN 3.0 vs VCN 4.0. Supported codecs: H.264,H.265/HEVC,AV1,VP9 (Radeon RX 6900 XT) vs AV1,H.264,H.265/HEVC (Radeon RX 7900 GRE).

Feature	Radeon RX 6900 XT	Radeon RX 7900 GRE
Encoder	VCN 3.0	VCN 4.0
Decoder	VCN 3.0	VCN 4.0
Codecs	H.264,H.265/HEVC,AV1,VP9	AV1,H.264,H.265/HEVC

🔌

Power & Dimensions

The Radeon RX 6900 XT draws 300W versus the Radeon RX 7900 GRE's 260W — a 14.3% difference. The Radeon RX 7900 GRE is more power-efficient. Recommended PSU: 850W (Radeon RX 6900 XT) vs 750W (Radeon RX 7900 GRE). Power connectors: 2x 8-pin vs 2x 8-pin. Card length: 267mm vs 276mm, occupying 2.5 vs 2 slots. Typical load temperature: 80°C vs 60°C.

Feature	Radeon RX 6900 XT	Radeon RX 7900 GRE
TDP	300W	260W-13%
Recommended PSU	850W	750W-12%
Power Connector	2x 8-pin	2x 8-pin
Length	267mm	276mm
Height	120mm	111mm
Slots	2.5	2-20%
Temp (Load)	80°C	60°C-25%
Perf/Watt	89.1	104.5+17%

💰

Value Analysis

At launch, the Radeon RX 6900 XT came in at $999, while the Radeon RX 7900 GRE launched at $549. On MSRP, Radeon RX 7900 GRE was 45% cheaper ($450 less). Performance per dollar on MSRP (G3D Mark / MSRP): 26.8 (Radeon RX 6900 XT) vs 49.5 (Radeon RX 7900 GRE) — the Radeon RX 7900 GRE offers 84.7% better value. The newer card here is Radeon RX 7900 GRE (2023 vs 2020).

Feature	Radeon RX 6900 XT	Radeon RX 7900 GRE
MSRP	$999	$549-45%
Performance per Dollar	26.8	49.5+85%
Codename	Navi 21	Navi 31
Release	October 28 2020	July 27 2023
Ranking	#35	#29

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