GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
Market Value Leader
Only verified data for Radeon RX 6400 is available. Benchmarks for other models are currently being processed.
The GeForce RTX 4080 Laptop is dramatically faster than the Radeon RX 6400, leading by roughly 450% in our performance index.
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GeForce RTX 4080 Laptop vs Radeon RX 6400: In-Depth Breakdown
Performance: GeForce RTX 4080 Laptop vs Radeon RX 6400
The GeForce RTX 4080 Laptop is dramatically faster, around 450% ahead of the Radeon RX 6400. That gap is enough to move it up a tier: the GeForce RTX 4080 Laptop is comfortable at 1440p, while the Radeon RX 6400 is better matched to entry-level 1080p.
Power & Efficiency
The Radeon RX 6400 pulls less power (53W vs 150W), so it's the easier card to cool and the lighter load on your PSU. The faster GeForce RTX 4080 Laptop draws more overall but extracts more performance from each watt — plan for a sturdier power supply if you pick it. Its more modern Ada Lovelace architecture on a TSMC 4N process is part of why it does more with each watt.
VRAM & Future-Proofing
With 12GB against 4GB, the GeForce RTX 4080 Laptop has more headroom for 4K textures and memory-hungry creative/AI tasks where the Radeon RX 6400's 4GB can fall short.
Features & Ecosystem
Beyond raw numbers, the GeForce RTX 4080 Laptop brings NVIDIA DLSS upscaling/frame generation and stronger ray tracing, while the Radeon RX 6400 offers AMD FSR upscaling and strong rasterization value. If you lean on upscaling or ray tracing, that ecosystem difference can matter as much as the frame-rate gap.
Which should you buy: GeForce RTX 4080 Laptop or Radeon RX 6400?
The GeForce RTX 4080 Laptop is the faster card by about 450%. 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 Laptop better than the Radeon RX 6400?
Which is better for 4K gaming, the GeForce RTX 4080 Laptop or the Radeon RX 6400?
Does the GeForce RTX 4080 Laptop have enough VRAM advantage to matter?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 4080 Laptop | Radeon RX 6400 |
|---|---|---|
| Architecture | Ada Lovelace | RDNA 2 |
| Process Node | TSMC 4N | TSMC N6 |
| CUDA Cores (CUDA Cores / Stream Processors) | 7,424✓ | 768 |
| Ray Tracing Cores | 58✓ | 12 |
| Tensor / AI Cores | 232 | — |
Clock Speeds
| Specification | GeForce RTX 4080 Laptop | Radeon RX 6400 |
|---|---|---|
| Base Clock | 1,350 MHz | 1,923 MHz✓ |
| Boost Clock | 2,280 MHz | 2,321 MHz✓ |
Memory
| Specification | GeForce RTX 4080 Laptop | Radeon RX 6400 |
|---|---|---|
| VRAM Capacity | 12 GB✓ | 4 GB |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 192-bit✓ | 64-bit |
| Memory Speed | 18 Gbps✓ | 16 Gbps |
| Bandwidth | 432 GB/s✓ | 128 GB/s |
Connectivity & Power
| Specification | GeForce RTX 4080 Laptop | Radeon RX 6400 |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x4 |
| TDP | 150 W | 53 W✓ |
| Power Connectors | None | None |
| Released | Feb 2023 | Jan 2022 |