Radeon RX 6600 vs Radeon RX Vega 64
The Radeon RX 6600 pulls ahead here — a touch quicker, about 7% ahead of the Radeon RX Vega 64. But the Radeon RX Vega 64 is the better value, undercutting it by $80 USD for the performance you get.
Maximum Capacity Reached. Remove a model to add another. (2/2)
Radeon RX 6600 vs Radeon RX Vega 64: In-Depth Breakdown
Performance: Radeon RX 6600 vs Radeon RX Vega 64
The Radeon RX 6600 is marginally faster, around 7% ahead of the Radeon RX Vega 64. Both cards sit in the same broad class, well suited to 1080p.
Price & Value
Pricing has the Radeon RX Vega 64 at $150 USD, $80 USD under the Radeon RX 6600's $230 USD. Despite being slower, the Radeon RX Vega 64 offers the better performance-per-dollar (~43% better value), so budget-focused buyers should weigh it carefully. The Radeon RX Vega 64 is trading below its $499 USD MSRP — a genuine deal. The Radeon RX 6600 is trading below its $330 USD MSRP — a genuine deal.
Power & Efficiency
Power draw favors the Radeon RX 6600 (132W vs 295W), and it's the more efficient card too, so it's the easy pick if thermals or a smaller PSU matter. Its more modern RDNA 2 architecture on a TSMC N7 process is part of why it does more with each watt.
Memory & Bandwidth
The Radeon RX Vega 64's memory is faster — 484 GB/s versus 224 GB/s (2048-bit vs 128-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Generation & Longevity
The Radeon RX 6600 is roughly 4 years newer than the Radeon RX Vega 64 (RDNA 2 vs GCN 5.0 (Vega)), so it generally benefits from a more modern architecture and longer driver-support runway.
Which should you buy: Radeon RX 6600 or Radeon RX Vega 64?
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 Vega 64 stretches your money further for only slightly lower performance.
Frequently Asked Questions
Is the Radeon RX 6600 better than the Radeon RX Vega 64?
Which is better for 4K gaming, the Radeon RX 6600 or the Radeon RX Vega 64?
Is the Radeon RX 6600 worth the extra $80 USD over the Radeon RX Vega 64?
Which should you buy: Radeon RX 6600 or Radeon RX Vega 64?
Technical Specifications Comparison
Architecture & Cores
| Specification | Radeon RX 6600 | Radeon RX Vega 64 |
|---|---|---|
| Architecture | RDNA 2 | GCN 5.0 (Vega) |
| Process Node | TSMC N7 | GloFo 14nm |
| CUDA Cores (Stream Processors / Stream Processors) | 1,792 | 4,096✓ |
| Ray Tracing Cores | 28 | — |
Clock Speeds
| Specification | Radeon RX 6600 | Radeon RX Vega 64 |
|---|---|---|
| Base Clock | 1,626 MHz✓ | 1,247 MHz |
| Boost Clock | 2,491 MHz✓ | 1,546 MHz |
Memory
| Specification | Radeon RX 6600 | Radeon RX Vega 64 |
|---|---|---|
| VRAM Capacity | 8 GB | 8 GB |
| Memory Type | GDDR6 | HBM2 |
| Memory Bus | 128-bit | 2048-bit✓ |
| Memory Speed | 14 Gbps✓ | 1.89 Gbps |
| Bandwidth | 224 GB/s | 483.8 GB/s✓ |
Connectivity & Power
| Specification | Radeon RX 6600 | Radeon RX Vega 64 |
|---|---|---|
| Interface | PCIe 4.0 x8 | PCIe 3.0 x16 |
| TDP | 132 W✓ | 295 W |
| Power Connectors | 1x 8-pin | 2x 8-pin |
| Released | Oct 2021 | Aug 2017 |
