CPU
GPU
Radeon RX 6900 XT
Popular choices:
RTX 4500 Ada Generation
Popular choices:
Performance Spectrum - GPU
About G3D Mark
G3D Mark is a standard benchmark that measures graphics performance in real-world gaming scenarios. It simplifies comparing cards from different brands, where higher scores directly correlate with better fps and smoother gaming experiences.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (G3D Mark) per dollar. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Radeon RX 6900 XT
Performance Per Dollar RTX 4500 Ada Generation
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The RTX 4500 Ada Generation is the superior choice for raw performance. It leads with a 4.2% higher G3D Mark score and 50% more VRAM (24 GB vs 16 GB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon RX 6900 XT.
| Insight | Radeon RX 6900 XT | RTX 4500 Ada Generation |
|---|---|---|
| Performance | ❌Lower raw frame rates (-4.2%) | ✅Leading raw performance (+4.2%) |
| Longevity | 🔮Strong Longevity (RDNA 2.0 (2020−2025) / 7nm) | 🏆Elite Architecture (Ada Lovelace (2022−2024) / 5nm) |
| Ecosystem | Supports FSR Upscaling | ✨ DLSS 3/4 + Frame Gen Support |
| VRAM | 🎮 High Capacity (16 GB) | 🎮 High Capacity (24 GB) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | Standard Size (267mm) | Standard Size (267mm) |
💎 Value Proposition
The Radeon RX 6900 XT offers a compelling cost-to-performance ratio. Priced at $385 versus $2,000 for the RTX 4500 Ada Generation, it costs 81% less. While it maintains competitive performance, this results in a 398.6% higher cost efficiency score.
| Insight | Radeon RX 6900 XT | RTX 4500 Ada Generation |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+398.6%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($385) | ⚠️Higher upfront cost ($2,000) |
Performance Check
Real-world benchmarks and performance projections based on comprehensive hardware analysis and comparative metrics. Values represent expected performance on High/Ultra settings at 1080p, 1440p, and 4K. Modeled using a Ryzen 7 7800X3D reference profile to minimize specific CPU bottlenecks.
Note: Performance behavior can vary per game. Specific architectures may perform better or worse depending on game engine optimizations and API implementation.
Technical Specifications
Side-by-side comparison of Radeon RX 6900 XT and RTX 4500 Ada Generation
Radeon RX 6900 XT
The Radeon RX 6900 XT is manufactured by AMD. It was released in October 28 2020. It features the RDNA 2.0 architecture. The core clock ranges from 1825 MHz to 2250 MHz. It has 5120 shading units. The thermal design power (TDP) is 300W. Manufactured using 7 nm process technology. It features 80 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 26,729 points. Launch price was $999.
RTX 4500 Ada Generation
The RTX 4500 Ada Generation is manufactured by NVIDIA. It was released in August 9 2023. It features the Ada Lovelace architecture. The core clock ranges from 2070 MHz to 2580 MHz. It has 7680 shading units. The thermal design power (TDP) is 210W. Manufactured using 5 nm process technology. It features 60 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 27,850 points.
Graphics Performance
The Radeon RX 6900 XT scores 26,729 and the RTX 4500 Ada Generation reaches 27,850 in the G3D Mark benchmark — just a 4.2% difference, making them near-identical in rasterization performance. The Radeon RX 6900 XT is built on RDNA 2.0 while the RTX 4500 Ada Generation uses Ada Lovelace, both on 7 nm vs 5 nm. Shader units: 5,120 (Radeon RX 6900 XT) vs 7,680 (RTX 4500 Ada Generation). Raw compute: 23.04 TFLOPS (Radeon RX 6900 XT) vs 39.63 TFLOPS (RTX 4500 Ada Generation). Boost clocks: 2250 MHz vs 2580 MHz. Ray tracing: 80 RT cores (Radeon RX 6900 XT) vs 60 (RTX 4500 Ada Generation) vs 240.
| Feature | Radeon RX 6900 XT | RTX 4500 Ada Generation |
|---|---|---|
| G3D Mark Score | 26,729 | 27,850+4% |
| Architecture | RDNA 2.0 | Ada Lovelace |
| Process Node | 7 nm | 5 nm |
| Shading Units | 5120 | 7680+50% |
| Compute (TFLOPS) | 23.04 TFLOPS | 39.63 TFLOPS+72% |
| Boost Clock | 2250 MHz | 2580 MHz+15% |
| ROPs | 128+60% | 80 |
| TMUs | 320+33% | 240 |
| L1 Cache | 1 MB | 7.5 MB+650% |
| L2 Cache | 4 MB | 48 MB+1100% |
| Ray Tracing Cores | 80+33% | 60 |
Advanced Features (DLSS/FSR)
A critical advantage for the Radeon RX 6900 XT is support for FSR 3 / AFMF. This allows it to generate entire frames using AI/Algorithms, essentially doubling the frame rate in CPU-bound scenarios or heavy ray-tracing titles. The RTX 4500 Ada Generation lacks specific hardware/driver support for this native frame generation tier.
| Feature | Radeon RX 6900 XT | RTX 4500 Ada Generation |
|---|---|---|
| Upscaling Tech | FSR 3 (Native) | FSR 1.0 (Software) |
| Frame Generation | FSR 3 / AFMF (Driver) | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | NVIDIA Reflex |
Video Memory (VRAM)
The Radeon RX 6900 XT comes with 16 GB of VRAM, while the RTX 4500 Ada Generation has 24 GB. The RTX 4500 Ada Generation offers 50% more capacity, crucial for higher resolutions and texture-heavy games. Memory bandwidth: 512 GB/s (Radeon RX 6900 XT) vs 448 GB/s (RTX 4500 Ada Generation) — a 14.3% advantage for the Radeon RX 6900 XT. Bus width: 256-bit vs 192-bit. L2 Cache: 4 MB (Radeon RX 6900 XT) vs 48 MB (RTX 4500 Ada Generation) — the RTX 4500 Ada Generation has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon RX 6900 XT | RTX 4500 Ada Generation |
|---|---|---|
| VRAM Capacity | 16 GB | 24 GB+50% |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bandwidth | 512 GB/s+14% | 448 GB/s |
| Bus Width | 256-bit+33% | 192-bit |
| L2 Cache | 4 MB | 48 MB+1100% |
Display & API Support
DirectX support: 12 Ultimate (Radeon RX 6900 XT) vs 12.2 (RTX 4500 Ada Generation). Vulkan: 1.3 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 4.
| Feature | Radeon RX 6900 XT | RTX 4500 Ada Generation |
|---|---|---|
| DirectX | 12 Ultimate | 12.2+2% |
| Vulkan | 1.3 | 1.3 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 4 | 4 |
Media & Encoding
Hardware encoder: VCN 3.0 (Radeon RX 6900 XT) vs NVENC 8th Gen (RTX 4500 Ada Generation). Decoder: VCN 3.0 vs NVDEC 5th Gen. Supported codecs: H.264,H.265/HEVC,AV1,VP9 (Radeon RX 6900 XT) vs AV1,HEVC,H.264,VP9 (RTX 4500 Ada Generation).
| Feature | Radeon RX 6900 XT | RTX 4500 Ada Generation |
|---|---|---|
| Encoder | VCN 3.0 | NVENC 8th Gen |
| Decoder | VCN 3.0 | NVDEC 5th Gen |
| Codecs | H.264,H.265/HEVC,AV1,VP9 | AV1,HEVC,H.264,VP9 |
Power & Dimensions
The Radeon RX 6900 XT draws 300W versus the RTX 4500 Ada Generation's 210W — a 35.3% difference. The RTX 4500 Ada Generation is more power-efficient. Recommended PSU: 850W (Radeon RX 6900 XT) vs 650W (RTX 4500 Ada Generation). Power connectors: 2x 8-pin vs PCIe-powered. Card length: 267mm vs 267mm, occupying 2.5 vs 2 slots. Typical load temperature: 80°C vs 80°C.
| Feature | Radeon RX 6900 XT | RTX 4500 Ada Generation |
|---|---|---|
| TDP | 300W | 210W-30% |
| Recommended PSU | 850W | 650W-24% |
| Power Connector | 2x 8-pin | PCIe-powered |
| Length | 267mm | 267mm |
| Height | 120mm | 112mm |
| Slots | 2.5 | 2-20% |
| Temp (Load) | 80°C | 80°C |
| Perf/Watt | 89.1 | 132.6+49% |
Value Analysis
The Radeon RX 6900 XT launched at $999 MSRP and currently averages $385, while the RTX 4500 Ada Generation launched at $2250 and now averages $2000. The Radeon RX 6900 XT costs 80.8% less ($1615 savings) at current market prices. Performance per dollar (G3D Mark / price): 69.4 (Radeon RX 6900 XT) vs 13.9 (RTX 4500 Ada Generation) — the Radeon RX 6900 XT offers 399.3% better value. The RTX 4500 Ada Generation is the newer GPU (2023 vs 2020).
| Feature | Radeon RX 6900 XT | RTX 4500 Ada Generation |
|---|---|---|
| MSRP | $999-56% | $2250 |
| Avg Price (30d) | $385-81% | $2000 |
| Performance per Dollar | 69.4+399% | 13.9 |
| Codename | Navi 21 | AD103 |
| Release | October 28 2020 | August 9 2023 |
| Ranking | #35 | #27 |
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