GeForce RTX 4080 vs GeForce RTX 4090
Performance-wise the GeForce RTX 4090 is out front, significantly faster, roughly 31% up on the GeForce RTX 4080. Value tips toward the GeForce RTX 4080, though: $59,417 INR cheaper for what you get.
Maximum Capacity Reached. Remove a model to add another. (2/2)
Comparable or lower specs
GeForce RTX 4090 vs GeForce RTX 4080: In-Depth Breakdown
Performance: GeForce RTX 4090 vs GeForce RTX 4080
The GeForce RTX 4090 is significantly faster, around 31% ahead of the GeForce RTX 4080. That gap is enough to move it up a tier: the GeForce RTX 4090 is comfortable at 4K and high-refresh 1440p, while the GeForce RTX 4080 is better matched to 4K with upscaling and native 1440p. The GeForce RTX 4090 packs 16,384 CUDA cores versus 9,728 on the GeForce RTX 4080. The GeForce RTX 4090 also has more RT cores (128 vs 76) and more AI cores (512 vs 304), strengthening its ray-tracing and AI-upscaling performance.
Price & Value
Right now the GeForce RTX 4080 starts at $89,528 INR against $148,945 INR for the GeForce RTX 4090. Despite being slower, the GeForce RTX 4080 offers the better performance-per-dollar (~27% better value), so budget-focused buyers should weigh it carefully. The GeForce RTX 4080 still sits about $88,329 INR above its $1,199 INR MSRP. The GeForce RTX 4090 still sits about $147,346 INR above its $1,599 INR MSRP.
Power & Efficiency
The GeForce RTX 4080 sips power at 320W next to the GeForce RTX 4090's 450W, and still leads on performance-per-watt — quieter, cooler, and gentler on your PSU.
VRAM & Future-Proofing
The GeForce RTX 4090's 24GB (vs 16GB on the GeForce RTX 4080) gives it more room for 4K textures and memory-hungry creative or AI workloads. The GeForce RTX 4090's memory is also faster — 1,008 GB/s versus 717 GB/s (384-bit vs 256-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Which should you buy: GeForce RTX 4080 or GeForce RTX 4090?
Choose the GeForce RTX 4090 if you want the most performance and can absorb the higher price. If you're optimizing for value, the GeForce RTX 4080 stretches your money further for only slightly lower performance.
Frequently Asked Questions
Is the GeForce RTX 4090 better than the GeForce RTX 4080?
Which is better for 4K gaming, the GeForce RTX 4080 or the GeForce RTX 4090?
Is the GeForce RTX 4090 worth the extra $59,417 INR over the GeForce RTX 4080?
Does the GeForce RTX 4090 have enough VRAM advantage to matter?
Which is better for ray tracing, the GeForce RTX 4090 or the GeForce RTX 4080?
Which should you buy: GeForce RTX 4080 or GeForce RTX 4090?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 4080 | GeForce RTX 4090 |
|---|---|---|
| Architecture | Ada Lovelace | Ada Lovelace |
| Process Node | TSMC 4N | TSMC 4N |
| CUDA Cores (CUDA Cores / CUDA Cores) | 9,728 | 16,384✓ |
| Ray Tracing Cores | 76 | 128✓ |
| Tensor / AI Cores | 304 | 512✓ |
Clock Speeds
| Specification | GeForce RTX 4080 | GeForce RTX 4090 |
|---|---|---|
| Base Clock | 2,205 MHz | 2,235 MHz✓ |
| Boost Clock | 2,505 MHz | 2,520 MHz✓ |
Memory
| Specification | GeForce RTX 4080 | GeForce RTX 4090 |
|---|---|---|
| VRAM Capacity | 16 GB | 24 GB✓ |
| Memory Type | GDDR6X | GDDR6X |
| Memory Bus | 256-bit | 384-bit✓ |
| Memory Speed | 22.4 Gbps✓ | 21 Gbps |
| Bandwidth | 716.8 GB/s | 1,008 GB/s✓ |
Connectivity & Power
| Specification | GeForce RTX 4080 | GeForce RTX 4090 |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 320 W✓ | 450 W |
| Power Connectors | 1x 16-pin | 1x 16-pin |
| Released | Sep 2022 | Sep 2022 |
Related Reading

Used RTX 4080 vs New RTX 5070 Ti: Which 16GB Card Should You Buy?
Two 16GB cards, two very different propositions: raw Ada rasterization with used-market risk, or a newer feature set and a warranty. Here's the decision, spec by spec.

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.

The Unrivaled Apex: NVIDIA GeForce RTX 5090 Deep Dive
The RTX 5090 redefines what is possible in consumer graphics. We explore why the Blackwell flagship remains in a league of its own.