MSI Radeon RX 6600 XT Mech 2X 8GB GDDR6
MSI
50 Overall Score
vs
Sapphire Radeon RX 7900 XTX PULSE 24GB GDDR6 Black
Sapphire
90 Overall Score
What Buyers Say
MSI Radeon RX 6600 XT Mech 2X 8GB GDDR6
No customer feedback yet
Sapphire Radeon RX 7900 XTX PULSE 24GB GDDR6 Black
85 out of 100 medium confidence 15 reviews
The Sapphire Pulse RX 7900 XTX is widely praised for its excellent price-to-performance ratio, offering massive 24GB VRAM and strong rasterization that rivals the RTX 4080 at a much lower cost. Users highlight its cool and quiet operation, though some note it runs hot in cases with poor airflow and requires a high-wattage PSU (800W minimum, 1000W recommended). A few negative reviews mention receiving a wrong item (keyboard instead of GPU) or driver issues that were resolved by upgrading other PC components. Overall, it's considered a beast for gaming and 3D work, but not ideal for eGPU setups.
Pros
- Excellent price-to-performance ratio
- Massive 24GB VRAM
- Cool and quiet operation
- Strong rasterization performance
- Great for gaming and 3D work
Cons
- Requires high-wattage PSU (800W min, 1000W recommended)
- Runs hot in cases with poor airflow
- Power spikes up to 400W
- Not ideal for eGPU setups
- Driver issues reported (resolved with system upgrades)
Value for money 6
Vram capacity 5
Cooling and noise 5
Power requirements 3
Driver stability 2
EGPU compatibility 2
Scores
Ray Tracing
Gaming 4k
Gaming 1440p
Content Creation
Gaming 1080p
Ai Llm
Workstation
Budget
Specifications
| MSI Radeon RX 6600 XT Mech 2X | Sapphire Radeon RX 7900 XTX PULSE | |
|---|---|---|
| Chipset | ||
| GPU Chipset | Radeon RX 6600 XT | Radeon RX 7900 XTX |
| Brand | AMD | AMD |
| Architecture | RDNA 2 | RDNA 3 |
| Class | consumer | consumer |
| Process | 7 | 5★ |
| Memory | ||
| VRAM | 8 GB | 24 GB★ |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | ||
| Bandwidth | ||
| ECC | — | ✗ |
| Compute | ||
| Stream Processors | ||
| Tensor Cores | No data | |
| RT Cores | 32 | 96★ |
| Base Clock | ||
| Boost Clock | ||
| FP16 TFLOPS | ||
| FP32 TFLOPS | 10.600000381469727 | 61.38999938964844★ |
| Performance | ||
| PassMark G3D | ||
| GPU Compute | ||
| Power & Cooling | ||
| TDP | 160★ | 370 |
| Recommended PSU | 500★ | 800 |
| Power Connectors | 8-Pin | 3 x 8-Pin |
| Cooler | Dual Fan | Triple Fan★ |
| Fans | 2 | 3★ |
| Connectivity | ||
| Interface | PCI Express 4.0 | PCI Express 4.0 x16 |
| DisplayPort | 3★ | 2 |
| HDMI | 1 | 2★ |
| Max Displays | 4 | 4 |
| Max Resolution | 7680 x 4320 | 7680 x 4320 |
| Physical | ||
| Length | 215★ | 313 |
| Slot Width | 2★ | 3 |
| Form Factor | ATX | ATX |
| Weight | 1.08 kg★ | 1.95 kg |
| Features | ||
| Ray Tracing | ✓ | ✓ |
| Upscaling | FSR | FSR |
| AV1 Encode | — | ✓★ |
| VR Ready | ✓ | ✓ |
| DirectX | 12 Ultimate | 12 Ultimate |
| RGB | — | ✓★ |
Pros & Cons
MSI Radeon RX 6600 XT Mech 2X 8GB GDDR6
- Strong feature (66th percentile)
- Strong efficiency (66th percentile)
- Below average vram (31st percentile)
- Below average compute (33rd percentile)
Sapphire Radeon RX 7900 XTX PULSE 24GB GDDR6 Black
- Strong feature (96th percentile)96th %ile
- Strong rt (96th percentile)96th %ile
- Strong compute (96th percentile)96th %ile
- Strong ai (95th percentile)95th %ile
- Below average affordability (18th percentile)18th %ile
Pricing
MSI Radeon RX 6600 XT Mech 2X 8GB GDDR6
No current pricing available
Sapphire Radeon RX 7900 XTX PULSE 24GB GDDR6 Black
Verdict
Winner: Sapphire Radeon RX 7900 XTX PULSE
Scores 90 overall, wins 7 of 8 usage categories and 16 of 39 specs.
