GeForce RTX 4080 SUPER vs GeForce RTX 5090
On raw speed the GeForce RTX 5090 comes out dramatically faster — about 79% ahead of the GeForce RTX 4080 SUPER. It also wins on performance-per-dollar, making it the cleaner choice when you can afford it.
Market Value Leader
GeForce RTX 5090 is the clear winner, offering 21.7% better value than GeForce RTX 4080 SUPER.
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GeForce RTX 5090 vs GeForce RTX 4080 SUPER: In-Depth Breakdown
Performance: GeForce RTX 5090 vs GeForce RTX 4080 SUPER
The GeForce RTX 5090 is dramatically faster, around 79% ahead of the GeForce RTX 4080 SUPER. That gap is enough to move it up a tier: the GeForce RTX 5090 is comfortable at 4K and high-refresh 1440p, while the GeForce RTX 4080 SUPER is better matched to 4K with upscaling and native 1440p. The GeForce RTX 5090 packs 21,760 CUDA cores versus 10,240 on the GeForce RTX 4080 SUPER.
Price & Value
The GeForce RTX 4080 SUPER currently lists from $3,429 SGD, $1,602 SGD less than the GeForce RTX 5090 at $5,031 SGD. Because it's both faster and competitively priced, the GeForce RTX 5090 wins on performance-per-dollar by about 22%. The GeForce RTX 4080 SUPER still sits about $2,430 SGD above its $999 SGD MSRP. The GeForce RTX 5090 still sits about $3,032 SGD above its $1,999 SGD MSRP.
Power & Efficiency
At 320W against 575W, the GeForce RTX 4080 SUPER is both the lower-power and the more efficient card, making it the easier build to cool and power.
VRAM & Future-Proofing
The GeForce RTX 5090 carries 32GB versus 16GB on the GeForce RTX 4080 SUPER. The extra 16GB helps at 4K, with high-resolution texture packs, and for content-creation or local-AI workloads that exhaust smaller buffers. The GeForce RTX 5090's memory is also faster — 1,792 GB/s versus 736 GB/s (512-bit vs 256-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Which should you buy: GeForce RTX 4080 SUPER 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 4080 SUPER if you find it at a steep discount.
Frequently Asked Questions
Is the GeForce RTX 5090 better than the GeForce RTX 4080 SUPER?
Which is better for 4K gaming, the GeForce RTX 4080 SUPER or the GeForce RTX 5090?
Is the GeForce RTX 5090 worth the extra $1,602 SGD over the GeForce RTX 4080 SUPER?
Does the GeForce RTX 5090 have enough VRAM advantage to matter?
Which should you buy: GeForce RTX 4080 SUPER or GeForce RTX 5090?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 4080 SUPER | GeForce RTX 5090 |
|---|---|---|
| Architecture | Ada Lovelace | Blackwell |
| Process Node | TSMC 4N | TSMC 4N |
| CUDA Cores (CUDA Cores / CUDA Cores) | 10,240 | 21,760✓ |
| Ray Tracing Cores | 80 | 170✓ |
| Tensor / AI Cores | 320 | 680✓ |
Clock Speeds
| Specification | GeForce RTX 4080 SUPER | GeForce RTX 5090 |
|---|---|---|
| Base Clock | 2,295 MHz✓ | 2,010 MHz |
| Boost Clock | 2,550 MHz✓ | 2,407 MHz |
Memory
| Specification | GeForce RTX 4080 SUPER | GeForce RTX 5090 |
|---|---|---|
| VRAM Capacity | 16 GB | 32 GB✓ |
| Memory Type | GDDR6X | GDDR7 |
| Memory Bus | 256-bit | 512-bit✓ |
| Memory Speed | 23 Gbps | 28 Gbps✓ |
| Bandwidth | 736 GB/s | 1,792 GB/s✓ |
Connectivity & Power
| Specification | GeForce RTX 4080 SUPER | GeForce RTX 5090 |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 5.0 x16 |
| TDP | 320 W✓ | 575 W |
| Power Connectors | 1x 16-pin | 1x 16-pin |
| Released | Jan 2024 | Jan 2025 |
