GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
Market Value Leader
GeForce RTX 5090 is the clear winner, offering 9.2% better value than GeForce RTX 4090.
The GeForce RTX 5090 is significantly faster than the GeForce RTX 4090, leading by roughly 39% in our performance index. It is also the stronger value pick here, so it's the easy recommendation if your budget allows.
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GeForce RTX 5090 vs GeForce RTX 4090: In-Depth Breakdown
Performance: GeForce RTX 5090 vs GeForce RTX 4090
The GeForce RTX 5090 is significantly faster, around 39% ahead of the GeForce RTX 4090. Both cards sit in the same broad class, well suited to 4K and high-refresh 1440p. The GeForce RTX 5090 packs 21,760 CUDA cores versus 16,384 on the GeForce RTX 4090.
Price & Value
Right now the GeForce RTX 4090 starts at $11,399 AED against $14,500 AED for the GeForce RTX 5090. Because it's both faster and competitively priced, the GeForce RTX 5090 wins on performance-per-dollar by about 9%. The GeForce RTX 4090 still sits about $9,800 AED above its $1,599 AED MSRP. The GeForce RTX 5090 still sits about $12,501 AED above its $1,999 AED MSRP.
Power & Efficiency
The GeForce RTX 4090 pulls less power (450W vs 575W), so it's the easier card to cool and the lighter load on your PSU. The faster GeForce RTX 5090 draws more overall but extracts more performance from each watt — plan for a sturdier power supply if you pick it. Its more modern Blackwell architecture on a TSMC 4N process is part of why it does more with each watt.
VRAM & Future-Proofing
With 32GB against 24GB, the GeForce RTX 5090 has more headroom for 4K textures and memory-hungry creative/AI tasks where the GeForce RTX 4090's 24GB can fall short. The GeForce RTX 5090's memory is also faster — 1,792 GB/s versus 1,008 GB/s (512-bit vs 384-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Generation & Longevity
The GeForce RTX 5090 is roughly 3 years newer than the GeForce RTX 4090 (Blackwell vs Ada Lovelace), so it generally benefits from a more modern architecture and longer driver-support runway.
Which should you buy: GeForce RTX 4090 or GeForce RTX 5090?
The GeForce RTX 5090 is the all-round winner here — it's faster and the better value, so buy it if it fits your budget. Only consider the GeForce RTX 4090 if you find it at a steep discount.
Frequently Asked Questions
Is the GeForce RTX 5090 better than the GeForce RTX 4090?
Which is better for 4K gaming, the GeForce RTX 4090 or the GeForce RTX 5090?
Is the GeForce RTX 5090 worth the extra $3,101 AED over the GeForce RTX 4090?
Does the GeForce RTX 5090 have enough VRAM advantage to matter?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 4090 | GeForce RTX 5090 |
|---|---|---|
| Architecture | Ada Lovelace | Blackwell |
| Process Node | TSMC 4N | TSMC 4N |
| CUDA Cores (CUDA Cores / CUDA Cores) | 16,384 | 21,760✓ |
| Ray Tracing Cores | 128 | 170✓ |
| Tensor / AI Cores | 512 | 680✓ |
Clock Speeds
| Specification | GeForce RTX 4090 | GeForce RTX 5090 |
|---|---|---|
| Base Clock | 2,235 MHz✓ | 2,010 MHz |
| Boost Clock | 2,520 MHz✓ | 2,407 MHz |
Memory
| Specification | GeForce RTX 4090 | GeForce RTX 5090 |
|---|---|---|
| VRAM Capacity | 24 GB | 32 GB✓ |
| Memory Type | GDDR6X | GDDR7 |
| Memory Bus | 384-bit | 512-bit✓ |
| Memory Speed | 21 Gbps | 28 Gbps✓ |
| Bandwidth | 1,008 GB/s | 1,792 GB/s✓ |
Connectivity & Power
| Specification | GeForce RTX 4090 | GeForce RTX 5090 |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 5.0 x16 |
| TDP | 450 W✓ | 575 W |
| Power Connectors | 1x 16-pin | 1x 16-pin |
| Released | Sep 2022 | Jan 2025 |
