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.
On raw speed the GeForce RTX 4090 Laptop comes out dramatically faster — about 567% ahead of the Radeon RX 6400. The Radeon RX 6400 is the cheaper option by $17,147 AED.
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GeForce RTX 4090 Laptop vs Radeon RX 6400: In-Depth Breakdown
Performance: GeForce RTX 4090 Laptop vs Radeon RX 6400
The GeForce RTX 4090 Laptop is dramatically faster, around 567% ahead of the Radeon RX 6400. That gap is enough to move it up a tier: the GeForce RTX 4090 Laptop is comfortable at 1440p, while the Radeon RX 6400 is better matched to entry-level 1080p.
Price & Value
The Radeon RX 6400 currently lists from $852 AED, $17,147 AED less than the GeForce RTX 4090 Laptop at $17,999 AED. The Radeon RX 6400 still sits about $693 AED above its $159 AED MSRP.
Power & Efficiency
On power, the Radeon RX 6400 is the gentler choice at 53W versus 150W. The GeForce RTX 4090 Laptop is more efficient per watt because it's faster, but its higher 150W draw means more heat and a bigger PSU. Its more modern Ada Lovelace architecture on a TSMC 4N process is part of why it does more with each watt.
VRAM & Future-Proofing
The GeForce RTX 4090 Laptop carries 16GB versus 4GB on the Radeon RX 6400. The extra 12GB helps at 4K, with high-resolution texture packs, and for content-creation or local-AI workloads that exhaust smaller buffers.
Features & Ecosystem
Beyond raw numbers, the GeForce RTX 4090 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 4090 Laptop or Radeon RX 6400?
The GeForce RTX 4090 Laptop is the faster card by about 567%. 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 4090 Laptop better than the Radeon RX 6400?
Which is better for 4K gaming, the GeForce RTX 4090 Laptop or the Radeon RX 6400?
Is the GeForce RTX 4090 Laptop worth the extra $17,147 AED over the Radeon RX 6400?
Does the GeForce RTX 4090 Laptop have enough VRAM advantage to matter?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 4090 Laptop | Radeon RX 6400 |
|---|---|---|
| Architecture | Ada Lovelace | RDNA 2 |
| Process Node | TSMC 4N | TSMC N6 |
| CUDA Cores (CUDA Cores / Stream Processors) | 9,728✓ | 768 |
| Ray Tracing Cores | 76✓ | 12 |
| Tensor / AI Cores | 304 | — |
Clock Speeds
| Specification | GeForce RTX 4090 Laptop | Radeon RX 6400 |
|---|---|---|
| Base Clock | 1,455 MHz | 1,923 MHz✓ |
| Boost Clock | 2,040 MHz | 2,321 MHz✓ |
Memory
| Specification | GeForce RTX 4090 Laptop | Radeon RX 6400 |
|---|---|---|
| VRAM Capacity | 16 GB✓ | 4 GB |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 256-bit✓ | 64-bit |
| Memory Speed | 18 Gbps✓ | 16 Gbps |
| Bandwidth | 576 GB/s✓ | 128 GB/s |
Connectivity & Power
| Specification | GeForce RTX 4090 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 |