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 5700 XT is available. Benchmarks for other models are currently being processed.
On raw speed the Radeon RX 6600M comes out marginally faster — about 6% ahead of the Radeon RX 5700 XT.
Maximum Capacity Reached. Remove a model to add another. (2/2)
Radeon RX 6600M vs Radeon RX 5700 XT: In-Depth Breakdown
Performance: Radeon RX 6600M vs Radeon RX 5700 XT
The Radeon RX 6600M is marginally faster, around 6% ahead of the Radeon RX 5700 XT. Both cards sit in the same broad class, well suited to 1080p.
Power & Efficiency
At 100W against 225W, the Radeon RX 6600M is both the lower-power and the more efficient card, making it the easier build to cool and power. Its more modern RDNA 2 architecture on a TSMC 7nm process is part of why it does more with each watt.
Memory & Bandwidth
The Radeon RX 5700 XT's memory is faster — 448 GB/s versus 256 GB/s (256-bit vs 128-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Generation & Longevity
The Radeon RX 6600M is roughly 2 years newer than the Radeon RX 5700 XT (RDNA 2 vs RDNA), so it generally benefits from a more modern architecture and longer driver-support runway.
Which should you buy: Radeon RX 5700 XT or Radeon RX 6600M?
The Radeon RX 6600M is the faster card. 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 6600M better than the Radeon RX 5700 XT?
Which is better for 4K gaming, the Radeon RX 5700 XT or the Radeon RX 6600M?
Technical Specifications Comparison
Architecture & Cores
| Specification | Radeon RX 5700 XT | Radeon RX 6600M |
|---|---|---|
| Architecture | RDNA | RDNA 2 |
| Process Node | TSMC N7 | TSMC 7nm |
| CUDA Cores (Stream Processors / Stream Processors) | 2,560✓ | 1,792 |
| Ray Tracing Cores | — | 28 |
| Tensor / AI Cores | — | 56 |
Clock Speeds
| Specification | Radeon RX 5700 XT | Radeon RX 6600M |
|---|---|---|
| Base Clock | 1,605 MHz | 2,068 MHz✓ |
| Boost Clock | 1,905 MHz | 2,177 MHz✓ |
Memory
| Specification | Radeon RX 5700 XT | Radeon RX 6600M |
|---|---|---|
| VRAM Capacity | 8 GB | 8 GB |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 256-bit✓ | 128-bit |
| Memory Speed | 14 Gbps | 16 Gbps✓ |
| Bandwidth | 448 GB/s✓ | 256 GB/s |
Connectivity & Power
| Specification | Radeon RX 5700 XT | Radeon RX 6600M |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x8 |
| TDP | 225 W | 100 W✓ |
| Power Connectors | 1x 8-pin + 1x 6-pin | None |
| Released | Jul 2019 | Jun 2021 |