GeForce RTX 3080 vs GeForce RTX 3090
The GeForce RTX 3090 is a real step up in speed — leading the GeForce RTX 3080 by roughly 11% in our performance index. It also comes out ahead on value, making it the straightforward pick if the price fits your budget.
Maximum Capacity Reached. Remove a model to add another. (2/2)
GeForce RTX 3090 vs GeForce RTX 3080: In-Depth Breakdown
Performance: GeForce RTX 3090 vs GeForce RTX 3080
The GeForce RTX 3090 is noticeably faster, around 11% ahead of the GeForce RTX 3080. Both cards sit in the same broad class, well suited to 1440p. The GeForce RTX 3090 packs 10,496 CUDA cores versus 8,704 on the GeForce RTX 3080. The GeForce RTX 3090 also has more RT cores (82 vs 68) and more AI cores (328 vs 272), strengthening its ray-tracing and AI-upscaling performance.
Price & Value
On price, expect to pay $157 AED for the GeForce RTX 3090 versus $1,178 AED for the GeForce RTX 3080. Because it's both faster and competitively priced, the GeForce RTX 3090 wins on performance-per-dollar by about 737%. The GeForce RTX 3090 is trading below its $1,499 AED MSRP — a genuine deal. The GeForce RTX 3080 still sits about $479 AED above its $699 AED MSRP.
Power & Efficiency
The GeForce RTX 3080 pulls less power (320W vs 350W), so it's the easier card to cool and the lighter load on your PSU. The faster GeForce RTX 3090 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 10GB, the GeForce RTX 3090 has more headroom for 4K textures and memory-hungry creative/AI tasks where the GeForce RTX 3080's 10GB can fall short. The GeForce RTX 3090's memory is also faster — 936 GB/s versus 760 GB/s (384-bit vs 320-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Which should you buy: GeForce RTX 3080 or GeForce RTX 3090?
The GeForce RTX 3090 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 3080 if you find it at a steep discount.
Frequently Asked Questions
Is the GeForce RTX 3090 better than the GeForce RTX 3080?
Which is better for 4K gaming, the GeForce RTX 3080 or the GeForce RTX 3090?
Is the GeForce RTX 3080 worth the extra $1,021 AED over the GeForce RTX 3090?
Does the GeForce RTX 3090 have enough VRAM advantage to matter?
Which is better for ray tracing, the GeForce RTX 3090 or the GeForce RTX 3080?
Which should you buy: GeForce RTX 3080 or GeForce RTX 3090?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 3080 | GeForce RTX 3090 |
|---|---|---|
| Architecture | Ampere | Ampere |
| Process Node | Samsung 8nm | Samsung 8nm |
| CUDA Cores (CUDA Cores / CUDA Cores) | 8,704 | 10,496✓ |
| Ray Tracing Cores | 68 | 82✓ |
| Tensor / AI Cores | 272 | 328✓ |
Clock Speeds
| Specification | GeForce RTX 3080 | GeForce RTX 3090 |
|---|---|---|
| Base Clock | 1,440 MHz✓ | 1,395 MHz |
| Boost Clock | 1,710 MHz✓ | 1,695 MHz |
Memory
| Specification | GeForce RTX 3080 | GeForce RTX 3090 |
|---|---|---|
| VRAM Capacity | 10 GB | 24 GB✓ |
| Memory Type | GDDR6X | GDDR6X |
| Memory Bus | 320-bit | 384-bit✓ |
| Memory Speed | 19 Gbps | 19.5 Gbps✓ |
| Bandwidth | 760 GB/s | 936 GB/s✓ |
Connectivity & Power
| Specification | GeForce RTX 3080 | GeForce RTX 3090 |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 320 W✓ | 350 W |
| Power Connectors | 1x 12-pin | 1x 12-pin |
| Released | Sep 2020 | Sep 2020 |
Related Reading
GDDR5 vs GDDR6 vs GDDR6X vs GDDR7: Which VRAM Generation Actually Matters for Your GPU?
Not all VRAM is created equal. GDDR5, GDDR6, GDDR6X, GDDR7 — we break down what each generation actually delivers in bandwidth, power, and real-world impact so you can stop guessing and start buying smarter.
How to Run Powerful Local LLMs on a Budget GPU in 2026
An 8GB GPU can now run near-flagship open models locally. Here's how QAT, MoE, llama.cpp offloading and MTP turn a budget PC into a private AI rig in 2026.