Radeon R9 M385X vs Iris Pro Graphics P580
Radeon R9 M385X
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Iris Pro Graphics P580
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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. The Radeon R9 M385X is positioned at rank 429 and the Iris Pro Graphics P580 is on rank 326, so the Iris Pro Graphics P580 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Radeon R9 M385X
Performance Per Dollar Iris Pro Graphics P580
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Iris Pro Graphics P580 is the superior choice for raw performance. It leads with a 1.6% higher G3D Mark score. However, the Radeon R9 M385X offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | Radeon R9 M385X | Iris Pro Graphics P580 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-1.6%) | ✅Leading raw performance (+1.6%) |
| Longevity | 🛑Obsolete Architecture (2015 / GCN 2.0 (2013−2017)) | 🛑Obsolete Architecture (2015 / Generation 9.0 (2015−2016)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+100+%) | ❌ Less VRAM capacity |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | — | — |
💎 Value Proposition
The Iris Pro Graphics P580 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Iris Pro Graphics P580 holds the technical lead. Priced at $60 (vs $300), it costs 80% less, resulting in a 408% higher cost efficiency score.
| Insight | Radeon R9 M385X | Iris Pro Graphics P580 |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+408%) |
| Upfront Cost | ⚠️Higher upfront cost ($300) | ✅More affordable ($60) |
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 R9 M385X and Iris Pro Graphics P580
Radeon R9 M385X
The Radeon R9 M385X is manufactured by AMD. It was released in May 5 2015. It features the GCN 2.0 architecture. The core clock ranges from 1000 MHz to 1100 MHz. It has 896 shading units. The thermal design power (TDP) is 75W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,994 points.
Iris Pro Graphics P580
The Iris Pro Graphics P580 is manufactured by Intel. It was released in September 1 2015. It features the Generation 9.0 architecture. The core clock ranges from 350 MHz to 1050 MHz. It has 576 shading units. The thermal design power (TDP) is 15W. Manufactured using 14 nm+ process technology. G3D Mark benchmark score: 2,026 points.
Graphics Performance
The Radeon R9 M385X scores 1,994 and the Iris Pro Graphics P580 reaches 2,026 in the G3D Mark benchmark — just a 1.6% difference, making them near-identical in rasterization performance. The Radeon R9 M385X is built on GCN 2.0 while the Iris Pro Graphics P580 uses Generation 9.0, both on 28 nm vs 14 nm+. Shader units: 896 (Radeon R9 M385X) vs 576 (Iris Pro Graphics P580). Raw compute: 1.971 TFLOPS (Radeon R9 M385X) vs 1.21 TFLOPS (Iris Pro Graphics P580). Boost clocks: 1100 MHz vs 1050 MHz.
| Feature | Radeon R9 M385X | Iris Pro Graphics P580 |
|---|---|---|
| G3D Mark Score | 1,994 | 2,026+2% |
| Architecture | GCN 2.0 | Generation 9.0 |
| Process Node | 28 nm | 14 nm+ |
| Shading Units | 896+56% | 576 |
| Compute (TFLOPS) | 1.971 TFLOPS+63% | 1.21 TFLOPS |
| Boost Clock | 1100 MHz+5% | 1050 MHz |
| ROPs | 16+78% | 9 |
| TMUs | 56 | 72+29% |
Advanced Features (DLSS/FSR)
| Feature | Radeon R9 M385X | Iris Pro Graphics P580 |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 1.0 (Software) |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | Standard |
Video Memory (VRAM)
The Radeon R9 M385X comes with 512 MB of VRAM, while the Iris Pro Graphics P580 has 0 MB. The Radeon R9 M385X offers 100+% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs System.
| Feature | Radeon R9 M385X | Iris Pro Graphics P580 |
|---|---|---|
| VRAM Capacity | 0.5 GB | Shared System RAM |
| Memory Type | GDDR5 | Shared |
| Memory Bandwidth | Unknown | System |
| Bus Width | 128-bit | System |
Power & Dimensions
The Radeon R9 M385X draws 75W versus the Iris Pro Graphics P580's 15W — a 133.3% difference. The Iris Pro Graphics P580 is more power-efficient. Recommended PSU: 350W (Radeon R9 M385X) vs 1W (Iris Pro Graphics P580). Power connectors: Mobile vs Integrated.
| Feature | Radeon R9 M385X | Iris Pro Graphics P580 |
|---|---|---|
| TDP | 75W | 15W-80% |
| Recommended PSU | 350W | 1W-100% |
| Power Connector | Mobile | Integrated |
| Length | 0mm | — |
| Height | 0mm | — |
| Slots | 0 | — |
| Temp (Load) | 85 | — |
| Perf/Watt | 26.6 | 135.1+408% |
Value Analysis
The Radeon R9 M385X launched at $300 MSRP and currently averages $300, while the Iris Pro Graphics P580 launched at $150 and now averages $60. The Iris Pro Graphics P580 costs 80% less ($240 savings) at current market prices. Performance per dollar (G3D Mark / price): 6.6 (Radeon R9 M385X) vs 33.8 (Iris Pro Graphics P580) — the Iris Pro Graphics P580 offers 412.1% better value.
| Feature | Radeon R9 M385X | Iris Pro Graphics P580 |
|---|---|---|
| MSRP | $300 | $150-50% |
| Avg Price (30d) | $300 | $60-80% |
| Performance per Dollar | 6.6 | 33.8+412% |
| Codename | Strato | Skylake GT4e |
| Release | May 5 2015 | September 1 2015 |
| Ranking | #681 | #678 |
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The most powerful gpus ranked by G3D Mark benchmark scores.
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