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 6800 XT is available. Benchmarks for other models are currently being processed.
On raw speed the Radeon RX 6800 XT comes out dramatically faster — about 95% ahead of the Radeon RX 6600M.
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Comparable or lower specs
Radeon RX 6800 XT vs Radeon RX 6600M: In-Depth Breakdown
Performance: Radeon RX 6800 XT vs Radeon RX 6600M
The Radeon RX 6800 XT is dramatically faster, around 95% ahead of the Radeon RX 6600M. That gap is enough to move it up a tier: the Radeon RX 6800 XT is comfortable at 1440p, while the Radeon RX 6600M is better matched to 1080p. The Radeon RX 6800 XT packs 4,608 stream processors versus 1,792 on the Radeon RX 6600M. The Radeon RX 6800 XT also has more RT cores (72 vs 28), strengthening its ray-tracing and AI-upscaling performance.
Power & Efficiency
At 100W against 300W, the Radeon RX 6600M is both the lower-power and the more efficient card, making it the easier build to cool and power.
VRAM & Future-Proofing
The Radeon RX 6800 XT carries 16GB versus 8GB on the Radeon RX 6600M. The extra 8GB helps at 4K, with high-resolution texture packs, and for content-creation or local-AI workloads that exhaust smaller buffers. The Radeon RX 6800 XT's memory is also faster — 512 GB/s versus 256 GB/s (256-bit vs 128-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Which should you buy: Radeon RX 6600M or Radeon RX 6800 XT?
The Radeon RX 6800 XT is the faster card by about 95%. 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 6800 XT better than the Radeon RX 6600M?
Which is better for 4K gaming, the Radeon RX 6600M or the Radeon RX 6800 XT?
Does the Radeon RX 6800 XT have enough VRAM advantage to matter?
Which is better for ray tracing, the Radeon RX 6800 XT or the Radeon RX 6600M?
Technical Specifications Comparison
Architecture & Cores
| Specification | Radeon RX 6600M | Radeon RX 6800 XT |
|---|---|---|
| Architecture | RDNA 2 | RDNA 2 |
| Process Node | TSMC 7nm | TSMC N7 |
| CUDA Cores (Stream Processors / Stream Processors) | 1,792 | 4,608✓ |
| Ray Tracing Cores | 28 | 72✓ |
| Tensor / AI Cores | 56 | — |
Clock Speeds
| Specification | Radeon RX 6600M | Radeon RX 6800 XT |
|---|---|---|
| Base Clock | 2,068 MHz✓ | 1,825 MHz |
| Boost Clock | 2,177 MHz | 2,250 MHz✓ |
Memory
| Specification | Radeon RX 6600M | Radeon RX 6800 XT |
|---|---|---|
| VRAM Capacity | 8 GB | 16 GB✓ |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 128-bit | 256-bit✓ |
| Memory Speed | 16 Gbps | 16 Gbps |
| Bandwidth | 256 GB/s | 512 GB/s✓ |
Connectivity & Power
| Specification | Radeon RX 6600M | Radeon RX 6800 XT |
|---|---|---|
| Interface | PCIe 4.0 x8 | PCIe 4.0 x16 |
| TDP | 100 W✓ | 300 W |
| Power Connectors | None | 2x 8-pin |
| Released | Jun 2021 | Oct 2020 |