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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, raw graphics performance, VRAM, feature set, power efficiency, pricing context, and long-term value so you can see which GPU actually makes more sense.

GeForce RTX 4090 Mobile

2023

Why buy it

✅11.7% more average FPS across 50 tracked games in our benchmark data.
✅Access to DLSS 3.5 Super Resolution (2023).
✅Draws 120W instead of 260W, a 140W reduction.

Trade-offs

❌Lower G3D Mark per dollar, at 0 vs 49.5 G3D/$ (Unknown MSRP vs $549 MSRP).

Radeon RX 7900 GRE

2023

Why buy it

✅Delivers 100+% more G3D Mark for each dollar spent, at 49.5 vs 0 G3D/$ ($549 MSRP vs Unknown MSRP).

Trade-offs

❌Lower average FPS than GeForce RTX 4090 Mobile across 50 tracked games in our benchmark data.
❌No DLSS support; it relies on FSR 3 (2023) instead.
❌116.7% higher power demand at 260W vs 120W.

GeForce RTX 4090 Mobile

2023

Radeon RX 7900 GRE

2023

Why buy it

✅11.7% more average FPS across 50 tracked games in our benchmark data.
✅Access to DLSS 3.5 Super Resolution (2023).
✅Draws 120W instead of 260W, a 140W reduction.

Why buy it

✅Delivers 100+% more G3D Mark for each dollar spent, at 49.5 vs 0 G3D/$ ($549 MSRP vs Unknown MSRP).

Trade-offs

❌Lower G3D Mark per dollar, at 0 vs 49.5 G3D/$ (Unknown MSRP vs $549 MSRP).

Trade-offs

❌Lower average FPS than GeForce RTX 4090 Mobile across 50 tracked games in our benchmark data.
❌No DLSS support; it relies on FSR 3 (2023) instead.
❌116.7% higher power demand at 260W vs 120W.

Quick Answers

So, is GeForce RTX 4090 Mobile better than Radeon RX 7900 GRE?

Yes. GeForce RTX 4090 Mobile is the better GPU overall here. You are getting 11.7% more average FPS across 50 tracked games in our benchmark data, 0.4% higher PassMark G3D performance, and DLSS 3.5 + Frame Generation.

Which one is more future-proof for 2026 and beyond?

GeForce RTX 4090 Mobile is the more future-proof choice for 2026 and beyond. You are getting the stronger feature stack with DLSS 3.5 + Frame Generation instead of FSR 3 + AFMF and a 4nm process instead of 5nm. That broader feature stack should age better as more games lean on modern upscaling and frame-generation support.

Which one is the smarter buy today, not just the cheaper card?

GeForce RTX 4090 Mobile is priced in an unclear MSRP range at an unclear MSRP versus $549 MSRP, and you are getting 11.7% more estimated average FPS across 50 tracked games in our benchmark data and a lower G3D Mark (27,048 vs 27,162). Radeon RX 7900 GRE still holds the G3D-per-dollar lead, so the performance win comes with a real value premium. If you are comfortable paying the premium for the stronger gaming result, GeForce RTX 4090 Mobile is the one to buy. If staying closer to budget matters more, Radeon RX 7900 GRE still makes more sense on price alone and remains capable enough for modern gaming.

Is Radeon RX 7900 GRE still worth buying for gaming in 2026?

Yes. Radeon RX 7900 GRE is still a strong gaming GPU in 2026: it is excellent for 1080p, very strong for 1440p, and still capable at 4K with sensible settings or upscaling. This mostly comes down to price. If you want to stay closer to $549 MSRP, it remains a strong choice; if you are comfortable paying more, GeForce RTX 4090 Mobile earns that extra money with a clearly stronger gaming result and a more complete overall package.

Games Benchmarks

Real-world benchmarks and performance projections based on comprehensive hardware analysis and comparative metrics. Values represent expected performance on High/Ultra settings at 1080p, 1440p, and 4K. Modeled using a Ryzen 7 9800X3D reference profile to minimize specific CPU bottlenecks.

Note: Performance behavior can vary per game. Specific architectures may perform better or worse depending on game engine optimizations and API implementation.

GeForce RTX 4090 Mobile Benchmark Check

Radeon RX 7900 GRE Benchmark Check

Path of Exile 2

Preset	GeForce RTX 4090 Mobile	Radeon RX 7900 GRE
1080p
low	204 FPS	246 FPS
medium	190 FPS	227 FPS
high	163 FPS	193 FPS
ultra	149 FPS	165 FPS
1440p
low	188 FPS	233 FPS
medium	159 FPS	195 FPS
high	128 FPS	153 FPS
ultra	118 FPS	132 FPS
4K
low	123 FPS	159 FPS
medium	102 FPS	130 FPS
high	76 FPS	94 FPS
ultra	70 FPS	83 FPS

Open GeForce RTX 4090 Mobile Open Radeon RX 7900 GRE

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	GeForce RTX 4090 Mobile	Radeon RX 7900 GRE
1080p
low	501 FPS	523 FPS
medium	438 FPS	453 FPS
high	353 FPS	353 FPS
ultra	296 FPS	309 FPS
1440p
low	383 FPS	417 FPS
medium	332 FPS	357 FPS
high	268 FPS	286 FPS
ultra	220 FPS	226 FPS
4K
low	214 FPS	228 FPS
medium	187 FPS	200 FPS
high	159 FPS	174 FPS
ultra	131 FPS	144 FPS

Open GeForce RTX 4090 Mobile Open Radeon RX 7900 GRE

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	GeForce RTX 4090 Mobile	Radeon RX 7900 GRE
1080p
low	884 FPS	900 FPS
medium	735 FPS	746 FPS
high	661 FPS	662 FPS
ultra	570 FPS	565 FPS
1440p
low	697 FPS	696 FPS
medium	577 FPS	571 FPS
high	508 FPS	495 FPS
ultra	433 FPS	417 FPS
4K
low	474 FPS	484 FPS
medium	396 FPS	399 FPS
high	347 FPS	340 FPS
ultra	282 FPS	276 FPS

Open GeForce RTX 4090 Mobile Open Radeon RX 7900 GRE

League of Legends

League of Legends

Valorant

Preset	GeForce RTX 4090 Mobile	Radeon RX 7900 GRE
1080p
low	723 FPS	525 FPS
medium	655 FPS	471 FPS
high	573 FPS	413 FPS
ultra	528 FPS	350 FPS
1440p
low	581 FPS	433 FPS
medium	520 FPS	391 FPS
high	456 FPS	332 FPS
ultra	408 FPS	278 FPS
4K
low	400 FPS	294 FPS
medium	364 FPS	269 FPS
high	334 FPS	221 FPS
ultra	296 FPS	187 FPS

Open GeForce RTX 4090 Mobile Open Radeon RX 7900 GRE

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of GeForce RTX 4090 Mobile and Radeon RX 7900 GRE

GeForce RTX 4090 Mobile

The GeForce RTX 4090 Mobile is manufactured by NVIDIA. It was released in January 3 2023. It features the Ada Lovelace architecture. The core clock ranges from 1335 MHz to 1695 MHz. It has 9728 shading units. The thermal design power (TDP) is 120W. Manufactured using 4 nm process technology. It features 76 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 27,048 points.

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 GeForce RTX 4090 Mobile scores 27,048 and the Radeon RX 7900 GRE reaches 27,162 in the G3D Mark benchmark — just a 0.4% difference, making them near-identical in rasterization performance. The GeForce RTX 4090 Mobile is built on Ada Lovelace while the Radeon RX 7900 GRE uses RDNA 3.0, both on 4 nm vs 5 nm. Shader units: 9,728 (GeForce RTX 4090 Mobile) vs 5,120 (Radeon RX 7900 GRE). Raw compute: 32.98 TFLOPS (GeForce RTX 4090 Mobile) vs 45.98 TFLOPS (Radeon RX 7900 GRE). Boost clocks: 1695 MHz vs 2245 MHz. Ray tracing: 76 RT cores (GeForce RTX 4090 Mobile) vs 80 (Radeon RX 7900 GRE) with 304 Tensor cores.

Feature	GeForce RTX 4090 Mobile	Radeon RX 7900 GRE
G3D Mark Score	27,048	27,162
Architecture	Ada Lovelace	RDNA 3.0
Process Node	4 nm	5 nm
Shading Units	9728+90%	5120
Compute (TFLOPS)	32.98 TFLOPS	45.98 TFLOPS+39%
Boost Clock	1695 MHz	2245 MHz+32%
ROPs	112	160+43%
TMUs	304	320+5%
L1 Cache	9.5 MB+280%	2.5 MB
L2 Cache	64 MB+967%	6 MB
Ray Tracing Cores	76	80+5%

✨

Advanced Features (DLSS/FSR)

Both GPUs support Frame Generation technologies, but they achieve it differently. The GeForce RTX 4090 Mobile uses DLSS 3.5 + Frame Generation, while the Radeon RX 7900 GRE relies on FSR Frame Generation + AFMF. Both can significantly boost FPS in supported titles, but they are not on the same feature stack.The GeForce RTX 4090 Mobile gives access to NVIDIA DLSS (Deep Learning Super Sampling), widely regarding as the superior upscaling method for image quality. The Radeon RX 7900 GRE relies on FSR (FidelityFX Super Resolution), which is capable but generally slightly noisier than DLSS in motion.

Feature	GeForce RTX 4090 Mobile	Radeon RX 7900 GRE
Upscaling Tech	DLSS 3.5 Super Resolution	FSR 3
Frame Generation	DLSS 3.5 + Frame Generation	FSR Frame Generation + AFMF
Ray Reconstruction	Yes (DLSS 3.5)	No
Low Latency	NVIDIA Reflex	AMD Anti-Lag

💾

Video Memory (VRAM)

Both cards feature 16 GB of GDDR6. Bus width: 256-bit vs 256-bit. L2 Cache: 64 MB (GeForce RTX 4090 Mobile) vs 6 MB (Radeon RX 7900 GRE) — the GeForce RTX 4090 Mobile has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce RTX 4090 Mobile	Radeon RX 7900 GRE
VRAM Capacity	16 GB	16 GB
Memory Type	GDDR6	GDDR6
Memory Bandwidth	576 GB/s	576 GB/s
Bus Width	256-bit	256-bit
L2 Cache	64 MB+967%	6 MB

🖥️

Display & API Support

DirectX support: 12.2 (GeForce RTX 4090 Mobile) vs 12 Ultimate (Radeon RX 7900 GRE). Vulkan: 1.3 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 1 vs 4.

Feature	GeForce RTX 4090 Mobile	Radeon RX 7900 GRE
DirectX	12.2+2%	12 Ultimate
Vulkan	1.3	1.3
OpenGL	4.6	4.6
Max Displays	1	4+300%

🎬

Media & Encoding

Hardware encoder: 8th Gen NVENC (GeForce RTX 4090 Mobile) vs VCN 4.0 (Radeon RX 7900 GRE). Decoder: 5th Gen NVDEC vs VCN 4.0. Supported codecs: MPEG-2,H.264,HEVC,VP9,AV1 (GeForce RTX 4090 Mobile) vs AV1,H.264,H.265/HEVC (Radeon RX 7900 GRE).

Feature	GeForce RTX 4090 Mobile	Radeon RX 7900 GRE
Encoder	8th Gen NVENC	VCN 4.0
Decoder	5th Gen NVDEC	VCN 4.0
Codecs	MPEG-2,H.264,HEVC,VP9,AV1	AV1,H.264,H.265/HEVC

🔌

Power & Dimensions

The GeForce RTX 4090 Mobile draws 120W versus the Radeon RX 7900 GRE's 260W — a 73.7% difference. The GeForce RTX 4090 Mobile is more power-efficient. Recommended PSU: 650W (GeForce RTX 4090 Mobile) vs 750W (Radeon RX 7900 GRE). Power connectors: Mobile vs 2x 8-pin. Card length: 0mm vs 276mm, occupying 0 vs 2 slots. Typical load temperature: 80°C vs 60°C.

Feature	GeForce RTX 4090 Mobile	Radeon RX 7900 GRE
TDP	120W-54%	260W
Recommended PSU	650W-13%	750W
Power Connector	Mobile	2x 8-pin
Length	0mm	276mm
Height	0mm	111mm
Slots	0-100%	2
Temp (Load)	80°C	60°C-25%
Perf/Watt	225.4+116%	104.5