Radeon RX 6600 vs Radeon RX Vega 64
On raw speed the Radeon RX 6600 comes out marginally faster — about 7% ahead of the Radeon RX Vega 64. It also wins on performance-per-dollar, making it the cleaner choice when you can afford it.
Market Value Leader
Radeon RX 6600 is the clear winner, offering 191.3% better value than Radeon RX Vega 64.
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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
The Radeon RX 6600 currently lists from $409 EUR, $703 EUR less than the Radeon RX Vega 64 at $1,112 EUR. Because it's both faster and competitively priced, the Radeon RX 6600 wins on performance-per-dollar by about 191%. The Radeon RX 6600 still sits about $79 EUR above its $330 EUR MSRP. The Radeon RX Vega 64 still sits about $613 EUR above its $499 EUR MSRP.
Power & Efficiency
At 132W against 295W, the Radeon RX 6600 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 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?
The Radeon RX 6600 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 Vega 64 if you find it at a steep discount.
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 Vega 64 worth the extra $703 EUR over the Radeon RX 6600?
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 |
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