GeForce RTX 4090 Laptop GPU
Radeon RX 7900 XT
GeForce RTX 4090 Laptop GPU vs Radeon RX 7900 XT Performance Spectrum
About G3D Mark
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.
GeForce RTX 4090 Laptop GPU vs Radeon RX 7900 XT 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.
Path of Exile 2
Counter-Strike 2
League of Legends
Valorant
Among Us
Apex Legends
ARC Raiders
Baldur's Gate 3
Call of Duty: Black Ops 6
GeForce RTX 4090 Laptop GPU vs Radeon RX 7900 XT: Pros, Cons & Final Verdict
See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.
GeForce RTX 4090 Laptop GPU
2023Why buy it
- ✅14.6% more average FPS across 50 tracked games in our benchmark data.
Trade-offs
- ❌Less VRAM, with 16 GB vs 20 GB for high-resolution textures and newer games.
- ❌101.3% HIGHER MSRP$1,810 MSRPvs$899 MSRP
- ❌Lower G3D Mark per dollar, at 15.0 vs 32.3 G3D/$ ($1,810 MSRP vs $899 MSRP).
- ❌41.7% higher power demand at 425W vs 300W.
Radeon RX 7900 XT
2022Why buy it
- ✅Costs $911 less on MSRP ($899 MSRP vs $1,810 MSRP).
- ✅Delivers 115.4% more G3D Mark for each dollar spent, at 32.3 vs 15.0 G3D/$ ($899 MSRP vs $1,810 MSRP).
- ✅25% more VRAM for high-resolution textures and newer games (20 GB vs 16 GB).
- ✅Draws 300W instead of 425W, a 125W reduction.
Trade-offs
- ❌Lower average FPS than GeForce RTX 4090 Laptop GPU across 50 tracked games in our benchmark data.
Quick Answers
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GeForce RTX 4090 Laptop GPU vs Radeon RX 7900 XT Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
GeForce RTX 4090 Laptop GPU
The GeForce RTX 4090 Laptop GPU is manufactured by NVIDIA. It was released in December 28 2023. It features the Ada Lovelace architecture. The core clock ranges from 2280 MHz to 2520 MHz. It has 14592 shading units. The thermal design power (TDP) is 425W. Manufactured using 5 nm process technology. It features 114 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 27,102 points. Launch price was $1,599.
Radeon RX 7900 XT
The Radeon RX 7900 XT is manufactured by AMD. It was released in November 3 2022. It features the RDNA 3.0 architecture. The core clock ranges from 1387 MHz to 2394 MHz. It has 5376 shading units. The thermal design power (TDP) is 300W. Manufactured using 5 nm process technology. It features 84 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 28,996 points. Launch price was $899.
Graphics Performance
In G3D Mark, the GeForce RTX 4090 Laptop GPU scores 27,102 versus the Radeon RX 7900 XT's 28,996 — the Radeon RX 7900 XT leads by 7%. The GeForce RTX 4090 Laptop GPU is built on Ada Lovelace while the Radeon RX 7900 XT uses RDNA 3.0, both on a 5 nm process. Shader units: 14,592 (GeForce RTX 4090 Laptop GPU) vs 5,376 (Radeon RX 7900 XT). Raw compute: 73.54 TFLOPS (GeForce RTX 4090 Laptop GPU) vs 51.48 TFLOPS (Radeon RX 7900 XT). Boost clocks: 2520 MHz vs 2394 MHz. Ray tracing: 114 RT cores (GeForce RTX 4090 Laptop GPU) vs 84 (Radeon RX 7900 XT) with 456 Tensor cores.
| Feature | GeForce RTX 4090 Laptop GPU | Radeon RX 7900 XT |
|---|---|---|
| G3D Mark Score | 27,102 | 28,996+7% |
| Architecture | Ada Lovelace | RDNA 3.0 |
| Process Node | 5 nm | 5 nm |
| Shading Units | 14592+171% | 5376 |
| Compute (TFLOPS) | 73.54 TFLOPS+43% | 51.48 TFLOPS |
| Boost Clock | 2520 MHz+5% | 2394 MHz |
| ROPs | 176 | 192+9% |
| TMUs | 456+36% | 336 |
| L1 Cache | 14.3 MB+377% | 3 MB |
| L2 Cache | 72 MB+1100% | 6 MB |
| Ray Tracing Cores | 114+36% | 84 |
Advanced Features (DLSS/FSR)
Both GPUs support Frame Generation, but they get there through different ecosystems. The GeForce RTX 4090 Laptop GPU uses DLSS 3.5 + Frame Generation, while the Radeon RX 7900 XT relies on FSR Frame Generation + AFMF. Both can help smooth out supported games, but they are not on the same feature stack.The GeForce RTX 4090 Laptop GPU gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon RX 7900 XT leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.
| Feature | GeForce RTX 4090 Laptop GPU | Radeon RX 7900 XT |
|---|---|---|
| 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)
The GeForce RTX 4090 Laptop GPU has 16 GB of VRAM, while the Radeon RX 7900 XT carries 20 GB. Radeon RX 7900 XT gives you 25% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bandwidth: 576 GB/s (GeForce RTX 4090 Laptop GPU) vs 800 GB/s (Radeon RX 7900 XT) — a 38.9% advantage for the Radeon RX 7900 XT. Memory bus width is 256-bit on the GeForce RTX 4090 Laptop GPU and 320-bit on the Radeon RX 7900 XT. L2 Cache: 72 MB (GeForce RTX 4090 Laptop GPU) vs 6 MB (Radeon RX 7900 XT) — the GeForce RTX 4090 Laptop GPU has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce RTX 4090 Laptop GPU | Radeon RX 7900 XT |
|---|---|---|
| VRAM Capacity | 16 GB | 20 GB+25% |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bandwidth | 576 GB/s | 800 GB/s+39% |
| Bus Width | 256-bit | 320-bit+25% |
| L2 Cache | 72 MB+1100% | 6 MB |
Display & API Support
DirectX support: 12 Ultimate (GeForce RTX 4090 Laptop GPU) vs 12 Ultimate (Radeon RX 7900 XT). Vulkan: 1.3 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 4.
| Feature | GeForce RTX 4090 Laptop GPU | Radeon RX 7900 XT |
|---|---|---|
| DirectX | 12 Ultimate | 12 Ultimate |
| Vulkan | 1.3 | 1.3 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 4 | 4 |
Media & Encoding
Hardware encoder: NVENC (9th Gen) (GeForce RTX 4090 Laptop GPU) vs VCN 4.0 (Radeon RX 7900 XT). Decoder: NVDEC (6th Gen) vs VCN 4.0. Supported codecs: H.264,H.265,VP9,AV1 (GeForce RTX 4090 Laptop GPU) vs AV1,H.264,H.265,VP9 (Radeon RX 7900 XT).
| Feature | GeForce RTX 4090 Laptop GPU | Radeon RX 7900 XT |
|---|---|---|
| Encoder | NVENC (9th Gen) | VCN 4.0 |
| Decoder | NVDEC (6th Gen) | VCN 4.0 |
| Codecs | H.264,H.265,VP9,AV1 | AV1,H.264,H.265,VP9 |
Power & Dimensions
The GeForce RTX 4090 Laptop GPU draws 425W versus the Radeon RX 7900 XT's 300W — a 34.5% difference. The Radeon RX 7900 XT is more power-efficient. Recommended PSU: 650W (GeForce RTX 4090 Laptop GPU) vs 750W (Radeon RX 7900 XT). Power connectors: Mobile vs 2x 8-pin. Card length: 0mm vs 276mm, occupying 0 vs 3 slots. Typical load temperature: 80 vs 70°C.
| Feature | GeForce RTX 4090 Laptop GPU | Radeon RX 7900 XT |
|---|---|---|
| TDP | 425W | 300W-29% |
| Recommended PSU | 650W-13% | 750W |
| Power Connector | Mobile | 2x 8-pin |
| Length | 0mm | 276mm |
| Height | 0mm | 110mm |
| Slots | 0-100% | 3 |
| Temp (Load) | 80 | 70°C-13% |
| Perf/Watt | 63.8 | 96.7+52% |
Value Analysis
At launch, the GeForce RTX 4090 Laptop GPU came in at $1810, while the Radeon RX 7900 XT launched at $899. On MSRP, Radeon RX 7900 XT was 50.3% cheaper ($911 less). Performance per dollar on MSRP (G3D Mark / MSRP): 15.0 (GeForce RTX 4090 Laptop GPU) vs 32.3 (Radeon RX 7900 XT) — the Radeon RX 7900 XT offers 115.3% better value. The newer card here is GeForce RTX 4090 Laptop GPU (2023 vs 2022).
| Feature | GeForce RTX 4090 Laptop GPU | Radeon RX 7900 XT |
|---|---|---|
| MSRP | $1810 | $899-50% |
| Performance per Dollar | 15.0 | 32.3+115% |
| Codename | AD102 | Navi 31 |
| Release | December 28 2023 | November 3 2022 |
| Ranking | #14 | #21 |
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