GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
Market Value Leader
Radeon RX 7900 XT is the clear winner, offering 181.5% better value than Radeon RX 6650 XT.
The Radeon RX 7900 XT is dramatically faster than the Radeon RX 6650 XT, leading by roughly 163% in our performance index. It is also the stronger value pick here, so it's the easy recommendation if your budget allows.
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Radeon RX 7900 XT vs Radeon RX 6650 XT: In-Depth Breakdown
Performance: Radeon RX 7900 XT vs Radeon RX 6650 XT
The Radeon RX 7900 XT is dramatically faster, around 163% ahead of the Radeon RX 6650 XT. That gap is enough to move it up a tier: the Radeon RX 7900 XT is comfortable at 4K with upscaling and native 1440p, while the Radeon RX 6650 XT is better matched to 1080p. The Radeon RX 7900 XT packs 5,376 stream processors versus 2,048 on the Radeon RX 6650 XT.
Price & Value
Right now the Radeon RX 7900 XT starts at $3,286 AED against $3,515 AED for the Radeon RX 6650 XT. Because it's both faster and competitively priced, the Radeon RX 7900 XT wins on performance-per-dollar by about 181%. The Radeon RX 7900 XT still sits about $2,387 AED above its $899 AED MSRP. The Radeon RX 6650 XT still sits about $3,116 AED above its $399 AED MSRP.
Power & Efficiency
The Radeon RX 6650 XT pulls less power (180W vs 300W), so it's the easier card to cool and the lighter load on your PSU. The faster Radeon RX 7900 XT draws more overall but extracts more performance from each watt — plan for a sturdier power supply if you pick it.
VRAM & Future-Proofing
With 20GB against 8GB, the Radeon RX 7900 XT has more headroom for 4K textures and memory-hungry creative/AI tasks where the Radeon RX 6650 XT's 8GB can fall short. The Radeon RX 7900 XT's memory is also faster — 800 GB/s versus 280 GB/s (320-bit vs 128-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Which should you buy: Radeon RX 6650 XT or Radeon RX 7900 XT?
The Radeon RX 7900 XT 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 6650 XT if you find it at a steep discount.
Frequently Asked Questions
Is the Radeon RX 7900 XT better than the Radeon RX 6650 XT?
Which is better for 4K gaming, the Radeon RX 6650 XT or the Radeon RX 7900 XT?
Is the Radeon RX 6650 XT worth the extra $229 AED over the Radeon RX 7900 XT?
Does the Radeon RX 7900 XT have enough VRAM advantage to matter?
Technical Specifications Comparison
Architecture & Cores
| Specification | Radeon RX 6650 XT | Radeon RX 7900 XT |
|---|---|---|
| Architecture | RDNA 2 | RDNA 3 |
| Process Node | TSMC N7 | TSMC N5 |
| CUDA Cores (Stream Processors / Stream Processors) | 2,048 | 5,376✓ |
| Ray Tracing Cores | 32 | 84✓ |
| Tensor / AI Cores | — | 168 |
Clock Speeds
| Specification | Radeon RX 6650 XT | Radeon RX 7900 XT |
|---|---|---|
| Base Clock | 2,055 MHz✓ | 1,500 MHz |
| Boost Clock | 2,635 MHz✓ | 2,400 MHz |
Memory
| Specification | Radeon RX 6650 XT | Radeon RX 7900 XT |
|---|---|---|
| VRAM Capacity | 8 GB | 20 GB✓ |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 128-bit | 320-bit✓ |
| Memory Speed | 17.5 Gbps | 20 Gbps✓ |
| Bandwidth | 280 GB/s | 800 GB/s✓ |
Connectivity & Power
| Specification | Radeon RX 6650 XT | Radeon RX 7900 XT |
|---|---|---|
| Interface | PCIe 4.0 x8 | PCIe 4.0 x16 |
| TDP | 180 W✓ | 300 W |
| Power Connectors | 1x 8-pin | 2x 8-pin |
| Released | May 2022 | Nov 2022 |
Related Reading
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The 20GB Value King: AMD Radeon RX 7900 XT Review
With its massive 20GB VRAM and aggressive price cuts, the Radeon RX 7900 XT is a high-end 4K contender that refuses to age. Is it still worth it today?