GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
Market Value Leader
Radeon RX 6400 is the clear winner, offering 9.9% better value than Radeon RX 6600.
On raw speed the Radeon RX 6600 comes out dramatically faster — about 150% ahead of the Radeon RX 6400. But the Radeon RX 6400 is the better value, undercutting it by $1,487 AED for the performance you get.
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Comparable or lower specs
Radeon RX 6600 vs Radeon RX 6400: In-Depth Breakdown
Performance: Radeon RX 6600 vs Radeon RX 6400
The Radeon RX 6600 is dramatically faster, around 150% ahead of the Radeon RX 6400. That gap is enough to move it up a tier: the Radeon RX 6600 is comfortable at 1080p, while the Radeon RX 6400 is better matched to entry-level 1080p. The Radeon RX 6600 packs 1,792 stream processors versus 768 on the Radeon RX 6400. The Radeon RX 6600 also has more RT cores (28 vs 12), strengthening its ray-tracing and AI-upscaling performance.
Price & Value
The Radeon RX 6400 currently lists from $852 AED, $1,487 AED less than the Radeon RX 6600 at $2,339 AED. Despite being slower, the Radeon RX 6400 offers the better performance-per-dollar (~10% better value), so budget-focused buyers should weigh it carefully. The Radeon RX 6400 still sits about $693 AED above its $159 AED MSRP. The Radeon RX 6600 still sits about $2,009 AED above its $330 AED MSRP.
Power & Efficiency
On power, the Radeon RX 6400 is the gentler choice at 53W versus 132W. The Radeon RX 6600 is more efficient per watt because it's faster, but its higher 132W draw means more heat and a bigger PSU.
VRAM & Future-Proofing
The Radeon RX 6600 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 6600's memory is also faster — 224 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 6600?
Choose the Radeon RX 6600 if you want the most performance and can absorb the higher price. If you're optimizing for value, the Radeon RX 6400 stretches your money further for only slightly lower performance.
Frequently Asked Questions
Is the Radeon RX 6600 better than the Radeon RX 6400?
Which is better for 4K gaming, the Radeon RX 6400 or the Radeon RX 6600?
Is the Radeon RX 6600 worth the extra $1,487 AED over the Radeon RX 6400?
Does the Radeon RX 6600 have enough VRAM advantage to matter?
Which is better for ray tracing, the Radeon RX 6600 or the Radeon RX 6400?
Technical Specifications Comparison
Architecture & Cores
| Specification | Radeon RX 6400 | Radeon RX 6600 |
|---|---|---|
| Architecture | RDNA 2 | RDNA 2 |
| Process Node | TSMC N6 | TSMC N7 |
| CUDA Cores (Stream Processors / Stream Processors) | 768 | 1,792✓ |
| Ray Tracing Cores | 12 | 28✓ |
Clock Speeds
| Specification | Radeon RX 6400 | Radeon RX 6600 |
|---|---|---|
| Base Clock | 1,923 MHz✓ | 1,626 MHz |
| Boost Clock | 2,321 MHz | 2,491 MHz✓ |
Memory
| Specification | Radeon RX 6400 | Radeon RX 6600 |
|---|---|---|
| VRAM Capacity | 4 GB | 8 GB✓ |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 64-bit | 128-bit✓ |
| Memory Speed | 16 Gbps✓ | 14 Gbps |
| Bandwidth | 128 GB/s | 224 GB/s✓ |
Connectivity & Power
| Specification | Radeon RX 6400 | Radeon RX 6600 |
|---|---|---|
| Interface | PCIe 4.0 x4 | PCIe 4.0 x8 |
| TDP | 53 W✓ | 132 W |
| Power Connectors | None | 1x 8-pin |
| Released | Jan 2022 | Oct 2021 |
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