Radeon RX 7900 XTX vs Radeon RX 9070 XT
On raw speed the Radeon RX 7900 XTX comes out ahead: edging it out narrowly, about 8% ahead of the Radeon RX 9070 XT. That said, the Radeon RX 9070 XT is the smarter buy on value — $1,735 AUD less for the performance on offer.
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Radeon RX 7900 XTX vs Radeon RX 9070 XT: In-Depth Breakdown
Performance: Radeon RX 7900 XTX vs Radeon RX 9070 XT
The Radeon RX 7900 XTX is marginally faster, around 8% ahead of the Radeon RX 9070 XT. Both cards sit in the same broad class, well suited to 4K with upscaling and native 1440p. The Radeon RX 7900 XTX packs 6,144 stream processors versus 4,096 on the Radeon RX 9070 XT.
Price & Value
The Radeon RX 9070 XT currently lists from $1,149 AUD, $1,735 AUD less than the Radeon RX 7900 XTX at $2,884 AUD. Despite being slower, the Radeon RX 9070 XT offers the better performance-per-dollar (~133% better value), so budget-focused buyers should weigh it carefully. The Radeon RX 9070 XT still sits about $550 AUD above its $599 AUD MSRP. The Radeon RX 7900 XTX still sits about $1,885 AUD above its $999 AUD MSRP.
Power & Efficiency
At 304W against 355W, the Radeon RX 9070 XT is both the lower-power and the more efficient card, making it the easier build to cool and power. Its more modern RDNA 4 architecture on a TSMC N4 process is part of why it does more with each watt.
VRAM & Future-Proofing
VRAM favors the Radeon RX 7900 XTX at 24GB versus 16GB on the Radeon RX 9070 XT — that extra 8GB matters most at 4K, with high-res texture packs, and for content-creation/local-AI work. The Radeon RX 7900 XTX's memory is also faster — 960 GB/s versus 645 GB/s (384-bit vs 256-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Generation & Longevity
The Radeon RX 9070 XT is roughly 3 years newer than the Radeon RX 7900 XTX (RDNA 4 vs RDNA 3), so it generally benefits from a more modern architecture and longer driver-support runway.
Which should you buy: Radeon RX 7900 XTX or Radeon RX 9070 XT?
Choose the Radeon RX 7900 XTX if you want the most performance and can absorb the higher price. If you're optimizing for value, the Radeon RX 9070 XT stretches your money further for only slightly lower performance.
Frequently Asked Questions
Is the Radeon RX 7900 XTX better than the Radeon RX 9070 XT?
Which is better for 4K gaming, the Radeon RX 7900 XTX or the Radeon RX 9070 XT?
Is the Radeon RX 7900 XTX worth the extra $1,735 AUD over the Radeon RX 9070 XT?
Does the Radeon RX 7900 XTX have enough VRAM advantage to matter?
Which should you buy: Radeon RX 7900 XTX or Radeon RX 9070 XT?
Video Benchmarks & Review
RX 9070 XT vs RX 7900 XTX vs RTX 5080 vs RTX 4090
Video Highlights
Curated gameplay footage and benchmarking review from GameBenchTV on YouTube.
Editorial Review: What the Benchmarks Show
This AMD internal battle analyzed by GameBenchTV tests the previous-generation flagship Radeon RX 7900 XTX (24GB) against the newer RDNA4-based Radeon RX 9070 XT (16GB). The older 7900 XTX commands a lead in memory bandwidth and raw rasterization, while the 9070 XT offers much higher efficiency and FSR 4 upscaling.
Technical Specifications Comparison
Architecture & Cores
| Specification | Radeon RX 7900 XTX | Radeon RX 9070 XT |
|---|---|---|
| Architecture | RDNA 3 | RDNA 4 |
| Process Node | TSMC N5 | TSMC N4 |
| CUDA Cores (Stream Processors / Stream Processors) | 6,144✓ | 4,096 |
| Ray Tracing Cores | 96✓ | 64 |
| Tensor / AI Cores | 192✓ | 128 |
Clock Speeds
| Specification | Radeon RX 7900 XTX | Radeon RX 9070 XT |
|---|---|---|
| Base Clock | 1,900 MHz✓ | 1,660 MHz |
| Boost Clock | 2,500 MHz | 2,970 MHz✓ |
Memory
| Specification | Radeon RX 7900 XTX | Radeon RX 9070 XT |
|---|---|---|
| VRAM Capacity | 24 GB✓ | 16 GB |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 384-bit✓ | 256-bit |
| Memory Speed | 20 Gbps | 20 Gbps |
| Bandwidth | 960 GB/s✓ | 644.6 GB/s |
Connectivity & Power
| Specification | Radeon RX 7900 XTX | Radeon RX 9070 XT |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 5.0 x16 |
| TDP | 355 W | 304 W✓ |
| Power Connectors | 2x 8-pin | 2x 8-pin |
| Released | Nov 2022 | Mar 2025 |
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