GeForce RTX 4090 vs Radeon RX 7800 XT
The GeForce RTX 4090 is dramatically faster than the Radeon RX 7800 XT, leading by roughly 95% in our performance index. It is also the stronger value pick here, so it's the easy recommendation if your budget allows.
Market Value Leader
GeForce RTX 4090 is the clear winner, offering 2740.4% better value than Radeon RX 7800 XT.
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Comparable or lower specs
GeForce RTX 4090 vs Radeon RX 7800 XT: In-Depth Breakdown
Performance: GeForce RTX 4090 vs Radeon RX 7800 XT
The GeForce RTX 4090 is dramatically faster, around 95% ahead of the Radeon RX 7800 XT. That gap is enough to move it up a tier: the GeForce RTX 4090 is comfortable at 4K and high-refresh 1440p, while the Radeon RX 7800 XT is better matched to 1440p.
Price & Value
Right now the GeForce RTX 4090 starts at $504 SEK against $7,360 SEK for the Radeon RX 7800 XT. Because it's both faster and competitively priced, the GeForce RTX 4090 wins on performance-per-dollar by about 2740%. The GeForce RTX 4090 is trading below its $1,599 SEK MSRP — a genuine deal. The Radeon RX 7800 XT still sits about $6,861 SEK above its $499 SEK MSRP.
Power & Efficiency
The Radeon RX 7800 XT pulls less power (263W vs 450W), so it's the easier card to cool and the lighter load on your PSU. The faster GeForce RTX 4090 draws more overall but extracts more performance from each watt — plan for a sturdier power supply if you pick it.
VRAM & Future-Proofing
With 24GB against 16GB, the GeForce RTX 4090 has more headroom for 4K textures and memory-hungry creative/AI tasks where the Radeon RX 7800 XT's 16GB can fall short.
Features & Ecosystem
Beyond raw numbers, the GeForce RTX 4090 brings NVIDIA DLSS upscaling/frame generation and stronger ray tracing, while the Radeon RX 7800 XT offers AMD FSR upscaling and strong rasterization value. If you lean on upscaling or ray tracing, that ecosystem difference can matter as much as the frame-rate gap.
Which should you buy: GeForce RTX 4090 or Radeon RX 7800 XT?
The GeForce RTX 4090 is the all-round winner here — it's faster and the better value, so buy it if it fits your budget. Only consider the Radeon RX 7800 XT if you find it at a steep discount.
Frequently Asked Questions
Is the GeForce RTX 4090 better than the Radeon RX 7800 XT?
Which is better for 4K gaming, the GeForce RTX 4090 or the Radeon RX 7800 XT?
Is the Radeon RX 7800 XT worth the extra $6,855 SEK over the GeForce RTX 4090?
Does the GeForce RTX 4090 have enough VRAM advantage to matter?
Which should you buy: GeForce RTX 4090 or Radeon RX 7800 XT?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 4090 | Radeon RX 7800 XT |
|---|---|---|
| Architecture | Ada Lovelace | RDNA 3 |
| Process Node | TSMC 4N | TSMC N5 |
| CUDA Cores (CUDA Cores / Stream Processors) | 16,384✓ | 3,840 |
| Ray Tracing Cores | 128✓ | 60 |
| Tensor / AI Cores | 512✓ | 120 |
Clock Speeds
| Specification | GeForce RTX 4090 | Radeon RX 7800 XT |
|---|---|---|
| Base Clock | 2,235 MHz✓ | 1,800 MHz |
| Boost Clock | 2,520 MHz✓ | 2,430 MHz |
Memory
| Specification | GeForce RTX 4090 | Radeon RX 7800 XT |
|---|---|---|
| VRAM Capacity | 24 GB✓ | 16 GB |
| Memory Type | GDDR6X | GDDR6 |
| Memory Bus | 384-bit✓ | 256-bit |
| Memory Speed | 21 Gbps✓ | 19.5 Gbps |
| Bandwidth | 1,008 GB/s✓ | 624 GB/s |
Connectivity & Power
| Specification | GeForce RTX 4090 | Radeon RX 7800 XT |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 450 W | 263 W✓ |
| Power Connectors | 1x 16-pin | 2x 8-pin |
| Released | Sep 2022 | Aug 2023 |