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 7900 XTX is available. Benchmarks for other models are currently being processed.
On raw speed the Radeon RX 7900 XTX comes out dramatically faster — about 195% ahead of the Radeon RX 6600M. The Radeon RX 7900 XTX is the cheaper option by $1,056 AED.
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Comparable or lower specs
Radeon RX 7900 XTX vs Radeon RX 6600M: In-Depth Breakdown
Performance: Radeon RX 7900 XTX vs Radeon RX 6600M
The Radeon RX 7900 XTX is dramatically faster, around 195% ahead of the Radeon RX 6600M. That gap is enough to move it up a tier: the Radeon RX 7900 XTX is comfortable at 4K with upscaling and native 1440p, while the Radeon RX 6600M is better matched to 1080p. The Radeon RX 7900 XTX packs 6,144 stream processors versus 1,792 on the Radeon RX 6600M.
Price & Value
The Radeon RX 7900 XTX currently lists from $4,139 AED, $1,056 AED less than the Radeon RX 6600M at $5,195 AED. The Radeon RX 7900 XTX still sits about $3,140 AED above its $999 AED MSRP.
Power & Efficiency
At 100W against 355W, 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 7900 XTX carries 24GB versus 8GB on the Radeon RX 6600M. The extra 16GB helps at 4K, with high-resolution texture packs, and for content-creation or local-AI workloads that exhaust smaller buffers. The Radeon RX 7900 XTX's memory is also faster — 960 GB/s versus 256 GB/s (384-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 7900 XTX?
The Radeon RX 7900 XTX is the faster card by about 195%. 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 7900 XTX better than the Radeon RX 6600M?
Which is better for 4K gaming, the Radeon RX 6600M or the Radeon RX 7900 XTX?
Is the Radeon RX 6600M worth the extra $1,056 AED over the Radeon RX 7900 XTX?
Does the Radeon RX 7900 XTX have enough VRAM advantage to matter?
Technical Specifications Comparison
Architecture & Cores
| Specification | Radeon RX 6600M | Radeon RX 7900 XTX |
|---|---|---|
| Architecture | RDNA 2 | RDNA 3 |
| Process Node | TSMC 7nm | TSMC N5 |
| CUDA Cores (Stream Processors / Stream Processors) | 1,792 | 6,144✓ |
| Ray Tracing Cores | 28 | 96✓ |
| Tensor / AI Cores | 56 | 192✓ |
Clock Speeds
| Specification | Radeon RX 6600M | Radeon RX 7900 XTX |
|---|---|---|
| Base Clock | 2,068 MHz✓ | 1,900 MHz |
| Boost Clock | 2,177 MHz | 2,500 MHz✓ |
Memory
| Specification | Radeon RX 6600M | Radeon RX 7900 XTX |
|---|---|---|
| VRAM Capacity | 8 GB | 24 GB✓ |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 128-bit | 384-bit✓ |
| Memory Speed | 16 Gbps | 20 Gbps✓ |
| Bandwidth | 256 GB/s | 960 GB/s✓ |
Connectivity & Power
| Specification | Radeon RX 6600M | Radeon RX 7900 XTX |
|---|---|---|
| Interface | PCIe 4.0 x8 | PCIe 4.0 x16 |
| TDP | 100 W✓ | 355 W |
| Power Connectors | None | 2x 8-pin |
| Released | Jun 2021 | Nov 2022 |
