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 7700S Laptop comes out dramatically faster — about 217% ahead of the Radeon RX 6400.
Maximum Capacity Reached. Remove a model to add another. (2/2)
Radeon RX 7700S Laptop vs Radeon RX 6400: In-Depth Breakdown
Performance: Radeon RX 7700S Laptop vs Radeon RX 6400
The Radeon RX 7700S Laptop is dramatically faster, around 217% ahead of the Radeon RX 6400. That gap is enough to move it up a tier: the Radeon RX 7700S Laptop is comfortable at 1080p, while the Radeon RX 6400 is better matched to entry-level 1080p. The Radeon RX 7700S Laptop packs 2,048 stream processors versus 768 on the Radeon RX 6400.
Power & Efficiency
On power, the Radeon RX 6400 is the gentler choice at 53W versus 100W. The Radeon RX 7700S Laptop is more efficient per watt because it's faster, but its higher 100W draw means more heat and a bigger PSU. Its more modern RDNA 3 architecture on a TSMC N6 process is part of why it does more with each watt.
VRAM & Future-Proofing
The Radeon RX 7700S 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 7700S Laptop's memory is also faster — 288 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 7700S Laptop?
The Radeon RX 7700S Laptop is the faster card by about 217%. 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 7700S Laptop better than the Radeon RX 6400?
Which is better for 4K gaming, the Radeon RX 6400 or the Radeon RX 7700S Laptop?
Does the Radeon RX 7700S Laptop have enough VRAM advantage to matter?
Technical Specifications Comparison
Architecture & Cores
| Specification | Radeon RX 6400 | Radeon RX 7700S Laptop |
|---|---|---|
| Architecture | RDNA 2 | RDNA 3 |
| 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 7700S Laptop |
|---|---|---|
| Base Clock | 1,923 MHz✓ | 1,800 MHz |
| Boost Clock | 2,321 MHz✓ | 2,200 MHz |
Memory
| Specification | Radeon RX 6400 | Radeon RX 7700S Laptop |
|---|---|---|
| VRAM Capacity | 4 GB | 8 GB✓ |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 64-bit | 128-bit✓ |
| Memory Speed | 16 Gbps | 18 Gbps✓ |
| Bandwidth | 128 GB/s | 288 GB/s✓ |
Connectivity & Power
| Specification | Radeon RX 6400 | Radeon RX 7700S Laptop |
|---|---|---|
| Interface | PCIe 4.0 x4 | PCIe 4.0 x8 |
| TDP | 53 W✓ | 100 W |
| Power Connectors | None | None |
| Released | Jan 2022 | Jan 2023 |