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 Radeon RX 6800S Laptop comes out dramatically faster — about 267% ahead of the Radeon RX 6400.
Maximum Capacity Reached. Remove a model to add another. (2/2)
Radeon RX 6800S Laptop vs Radeon RX 6400: In-Depth Breakdown
Performance: Radeon RX 6800S Laptop vs Radeon RX 6400
The Radeon RX 6800S Laptop is dramatically faster, around 267% ahead of the Radeon RX 6400. That gap is enough to move it up a tier: the Radeon RX 6800S Laptop is comfortable at 1080p, while the Radeon RX 6400 is better matched to entry-level 1080p. The Radeon RX 6800S Laptop packs 2,048 stream processors versus 768 on the Radeon RX 6400. The Radeon RX 6800S Laptop also has more RT cores (32 vs 12), strengthening its ray-tracing and AI-upscaling performance.
Power & Efficiency
On power, the Radeon RX 6400 is the gentler choice at 53W versus 100W. The Radeon RX 6800S Laptop is more efficient per watt because it's faster, but its higher 100W draw means more heat and a bigger PSU.
VRAM & Future-Proofing
The Radeon RX 6800S Laptop carries 8GB versus 4GB on the Radeon RX 6400. The extra 4GB helps at 4K, with high-resolution texture packs, and for content-creation or local-AI workloads that exhaust smaller buffers. The Radeon RX 6800S Laptop's memory is also faster — 256 GB/s versus 128 GB/s (128-bit vs 64-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Which should you buy: Radeon RX 6400 or Radeon RX 6800S Laptop?
The Radeon RX 6800S Laptop is the faster card by about 267%. 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 Radeon RX 6800S Laptop better than the Radeon RX 6400?
Which is better for 4K gaming, the Radeon RX 6400 or the Radeon RX 6800S Laptop?
Does the Radeon RX 6800S Laptop have enough VRAM advantage to matter?
Which is better for ray tracing, the Radeon RX 6800S Laptop or the Radeon RX 6400?
Technical Specifications Comparison
Architecture & Cores
| Specification | Radeon RX 6400 | Radeon RX 6800S Laptop |
|---|---|---|
| Architecture | RDNA 2 | RDNA 2 |
| Process Node | TSMC N6 | TSMC N6 |
| CUDA Cores (Stream Processors / Stream Processors) | 768 | 2,048✓ |
| Ray Tracing Cores | 12 | 32✓ |
| Tensor / AI Cores | — | 64 |
Clock Speeds
| Specification | Radeon RX 6400 | Radeon RX 6800S Laptop |
|---|---|---|
| Base Clock | 1,923 MHz✓ | 1,800 MHz |
| Boost Clock | 2,321 MHz✓ | 1,975 MHz |
Memory
| Specification | Radeon RX 6400 | Radeon RX 6800S Laptop |
|---|---|---|
| VRAM Capacity | 4 GB | 8 GB✓ |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 64-bit | 128-bit✓ |
| Memory Speed | 16 Gbps | 16 Gbps |
| Bandwidth | 128 GB/s | 256 GB/s✓ |
Connectivity & Power
| Specification | Radeon RX 6400 | Radeon RX 6800S Laptop |
|---|---|---|
| Interface | PCIe 4.0 x4 | PCIe 4.0 x8 |
| TDP | 53 W✓ | 100 W |
| Power Connectors | None | None |
| Released | Jan 2022 | Jan 2022 |