GeForce RTX 3080 vs GeForce RTX 4080
Performance-wise the GeForce RTX 4080 is out front, dramatically faster, roughly 57% up on the GeForce RTX 3080.
Maximum Capacity Reached. Remove a model to add another. (2/2)
GeForce RTX 4080 vs GeForce RTX 3080: In-Depth Breakdown
Performance: GeForce RTX 4080 vs GeForce RTX 3080
The GeForce RTX 4080 is dramatically faster, around 57% ahead of the GeForce RTX 3080. That gap is enough to move it up a tier: the GeForce RTX 4080 is comfortable at 4K with upscaling and native 1440p, while the GeForce RTX 3080 is better matched to 1440p. The GeForce RTX 4080 packs 9,728 CUDA cores versus 8,704 on the GeForce RTX 3080.
VRAM & Future-Proofing
The GeForce RTX 4080's 16GB (vs 10GB on the GeForce RTX 3080) gives it more room for 4K textures and memory-hungry creative or AI workloads.
Generation & Longevity
The GeForce RTX 4080 is roughly 2 years newer than the GeForce RTX 3080 (Ada Lovelace vs Ampere), so it generally benefits from a more modern architecture and longer driver-support runway.
Which should you buy: GeForce RTX 3080 or GeForce RTX 4080?
The GeForce RTX 4080 is the faster card by about 57%. With live pricing limited for this pair, base your decision on the spec differences above — particularly VRAM and power draw — and check current stock before buying.
Frequently Asked Questions
Is the GeForce RTX 4080 better than the GeForce RTX 3080?
Which is better for 4K gaming, the GeForce RTX 3080 or the GeForce RTX 4080?
Does the GeForce RTX 4080 have enough VRAM advantage to matter?
Which should you buy: GeForce RTX 3080 or GeForce RTX 4080?
Video Benchmarks & Review
RTX 3080 vs RTX 4080 vs RTX 5080
Video Highlights
Curated gameplay footage and benchmarking review from MxBenchmarkPC on YouTube.
Editorial Review: What the Benchmarks Show
This generational comparison by MxBenchmarkPC pits the Ampere-based RTX 3080 (10GB) against the Ada Lovelace-based RTX 4080 (16GB). The RTX 4080 delivers a massive 30-40% rasterization leap, larger VRAM capacity, and support for DLSS 3 Frame Generation, providing a highly compelling upgrade path.
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 3080 | GeForce RTX 4080 |
|---|---|---|
| Architecture | Ampere | Ada Lovelace |
| Process Node | Samsung 8nm | TSMC 4N |
| CUDA Cores (CUDA Cores / CUDA Cores) | 8,704 | 9,728✓ |
| Ray Tracing Cores | 68 | 76✓ |
| Tensor / AI Cores | 272 | 304✓ |
Clock Speeds
| Specification | GeForce RTX 3080 | GeForce RTX 4080 |
|---|---|---|
| Base Clock | 1,440 MHz | 2,205 MHz✓ |
| Boost Clock | 1,710 MHz | 2,505 MHz✓ |
Memory
| Specification | GeForce RTX 3080 | GeForce RTX 4080 |
|---|---|---|
| VRAM Capacity | 10 GB | 16 GB✓ |
| Memory Type | GDDR6X | GDDR6X |
| Memory Bus | 320-bit✓ | 256-bit |
| Memory Speed | 19 Gbps | 22.4 Gbps✓ |
| Bandwidth | 760 GB/s✓ | 716.8 GB/s |
Connectivity & Power
| Specification | GeForce RTX 3080 | GeForce RTX 4080 |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 320 W | 320 W |
| Power Connectors | 1x 12-pin | 1x 16-pin |
| Released | Sep 2020 | Sep 2022 |
