GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
Market Value Leader
Market comparison is currently pending while we verify the latest benchmarks for Radeon RX 6400 and Radeon RX 6800.
On raw speed the Radeon RX 6800 comes out dramatically faster — about 417% ahead of the Radeon RX 6400. It also wins on performance-per-dollar, making it the cleaner choice when you can afford it.
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Radeon RX 6800 vs Radeon RX 6400: In-Depth Breakdown
Performance: Radeon RX 6800 vs Radeon RX 6400
The Radeon RX 6800 is dramatically faster, around 417% ahead of the Radeon RX 6400. That gap is enough to move it up a tier: the Radeon RX 6800 is comfortable at 1440p, while the Radeon RX 6400 is better matched to entry-level 1080p. The Radeon RX 6800 packs 3,840 stream processors versus 768 on the Radeon RX 6400. The Radeon RX 6800 also has more RT cores (60 vs 12), strengthening its ray-tracing and AI-upscaling performance.
Price & Value
The Radeon RX 6400 currently lists from $89,472 JPY, $12,698 JPY less than the Radeon RX 6800 at $102,170 JPY. Because it's both faster and competitively priced, the Radeon RX 6800 wins on performance-per-dollar by about 352%. The Radeon RX 6400 still sits about $89,313 JPY above its $159 JPY MSRP. The Radeon RX 6800 still sits about $101,591 JPY above its $579 JPY MSRP.
Power & Efficiency
On power, the Radeon RX 6400 is the gentler choice at 53W versus 250W. The Radeon RX 6800 is more efficient per watt because it's faster, but its higher 250W draw means more heat and a bigger PSU.
VRAM & Future-Proofing
The Radeon RX 6800 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. The Radeon RX 6800's memory is also faster — 512 GB/s versus 128 GB/s (256-bit vs 64-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Generation & Longevity
The Radeon RX 6400 is roughly 2 years newer than the Radeon RX 6800, so it generally benefits from a more modern architecture and longer driver-support runway.
Which should you buy: Radeon RX 6400 or Radeon RX 6800?
The Radeon RX 6800 is the all-round winner here — it's faster and the better value, so buy it if it fits your budget. Only consider the Radeon RX 6400 if you find it at a steep discount.
Frequently Asked Questions
Is the Radeon RX 6800 better than the Radeon RX 6400?
Which is better for 4K gaming, the Radeon RX 6400 or the Radeon RX 6800?
Is the Radeon RX 6800 worth the extra $12,698 JPY over the Radeon RX 6400?
Does the Radeon RX 6800 have enough VRAM advantage to matter?
Which is better for ray tracing, the Radeon RX 6800 or the Radeon RX 6400?
Technical Specifications Comparison
Architecture & Cores
| Specification | Radeon RX 6400 | Radeon RX 6800 |
|---|---|---|
| Architecture | RDNA 2 | RDNA 2 |
| Process Node | TSMC N6 | TSMC N7 |
| CUDA Cores (Stream Processors / Stream Processors) | 768 | 3,840✓ |
| Ray Tracing Cores | 12 | 60✓ |
Clock Speeds
| Specification | Radeon RX 6400 | Radeon RX 6800 |
|---|---|---|
| Base Clock | 1,923 MHz✓ | 1,700 MHz |
| Boost Clock | 2,321 MHz✓ | 2,105 MHz |
Memory
| Specification | Radeon RX 6400 | Radeon RX 6800 |
|---|---|---|
| VRAM Capacity | 4 GB | 16 GB✓ |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 64-bit | 256-bit✓ |
| Memory Speed | 16 Gbps | 16 Gbps |
| Bandwidth | 128 GB/s | 512 GB/s✓ |
Connectivity & Power
| Specification | Radeon RX 6400 | Radeon RX 6800 |
|---|---|---|
| Interface | PCIe 4.0 x4 | PCIe 4.0 x16 |
| TDP | 53 W✓ | 250 W |
| Power Connectors | None | 2x 8-pin |
| Released | Jan 2022 | Nov 2020 |