Iris Plus Graphics 645 vs FirePro W4100
Iris Plus Graphics 645
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FirePro W4100
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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.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar
Performance Per Dollar FirePro W4100
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The Iris Plus Graphics 645 uses modern memory architecture. The Iris Plus Graphics 645 likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The FirePro W4100 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The FirePro W4100 is the superior choice for raw performance. It leads with a 3.2% higher G3D Mark score and 100+% more VRAM (2 GB vs 0 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Iris Plus Graphics 645.
| Insight | Iris Plus Graphics 645 | FirePro W4100 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-3.2%) | ✅Leading raw performance (+3.2%) |
| Longevity | Generation 9.5 (2016−2020) (14nm) | 🛑Obsolete Architecture (2014 / GCN 1.0 (2012−2020)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+100+%) |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | — | 📏 Compact / SFF Friendly |
💎 Value Proposition
While current pricing data is unavailable, the FirePro W4100 remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.
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 Iris Plus Graphics 645 and FirePro W4100
Iris Plus Graphics 645
The Iris Plus Graphics 645 is manufactured by Intel. It was released in October 7 2019. It features the Generation 9.5 architecture. The core clock ranges from 300 MHz to 1050 MHz. It has 384 shading units. The thermal design power (TDP) is 15W. Manufactured using 14 nm+++ process technology. G3D Mark benchmark score: 1,450 points.
FirePro W4100
The FirePro W4100 is manufactured by AMD. It was released in August 13 2014. It features the GCN 1.0 architecture. The core clock speed is 630 MHz. It has 512 shading units. The thermal design power (TDP) is 50W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,496 points.
Graphics Performance
The Iris Plus Graphics 645 scores 1,450 and the FirePro W4100 reaches 1,496 in the G3D Mark benchmark — just a 3.2% difference, making them near-identical in rasterization performance. The Iris Plus Graphics 645 is built on Generation 9.5 while the FirePro W4100 uses GCN 1.0, both on 14 nm+++ vs 28 nm. Shader units: 384 (Iris Plus Graphics 645) vs 512 (FirePro W4100). Raw compute: 0.8064 TFLOPS (Iris Plus Graphics 645) vs 0.6451 TFLOPS (FirePro W4100).
| Feature | Iris Plus Graphics 645 | FirePro W4100 |
|---|---|---|
| G3D Mark Score | 1,450 | 1,496+3% |
| Architecture | Generation 9.5 | GCN 1.0 |
| Process Node | 14 nm+++ | 28 nm |
| Shading Units | 384 | 512+33% |
| Compute (TFLOPS) | 0.8064 TFLOPS+25% | 0.6451 TFLOPS |
| ROPs | 6 | 16+167% |
| TMUs | 48+50% | 32 |
Advanced Features (DLSS/FSR)
| Feature | Iris Plus Graphics 645 | FirePro W4100 |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 1.0 (Software) |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | Standard |
Video Memory (VRAM)
The Iris Plus Graphics 645 comes with 0 MB of VRAM, while the FirePro W4100 has 2 GB. The FirePro W4100 offers 100+% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: System vs 64-bit.
| Feature | Iris Plus Graphics 645 | FirePro W4100 |
|---|---|---|
| VRAM Capacity | Shared System RAM | 2 GB |
| Memory Type | Shared | GDDR5 |
| Bus Width | System | 64-bit |
Power & Dimensions
The Iris Plus Graphics 645 draws 15W versus the FirePro W4100's 50W — a 107.7% difference. The Iris Plus Graphics 645 is more power-efficient. Recommended PSU: 1W (Iris Plus Graphics 645) vs 350W (FirePro W4100). Power connectors: Integrated vs PCIe-powered.
| Feature | Iris Plus Graphics 645 | FirePro W4100 |
|---|---|---|
| TDP | 15W-70% | 50W |
| Recommended PSU | 1W-100% | 350W |
| Power Connector | Integrated | PCIe-powered |
| Length | — | 171mm |
| Height | — | 69mm |
| Slots | — | 1 |
| Temp (Load) | — | 90°C |
| Perf/Watt | 96.7+223% | 29.9 |
Value Analysis
The Iris Plus Graphics 645 launched at $0 MSRP and currently averages $0, while the FirePro W4100 launched at $183 and now averages $183. The Iris Plus Graphics 645 costs 100+% less ($183 savings) at current market prices. Performance per dollar (G3D Mark / price): Infinity (Iris Plus Graphics 645) vs 8.2 (FirePro W4100) — the Iris Plus Graphics 645 offers Infinity% better value. The Iris Plus Graphics 645 is the newer GPU (2019 vs 2014).
| Feature | Iris Plus Graphics 645 | FirePro W4100 |
|---|---|---|
| MSRP | $0-100% | $183 |
| Avg Price (30d) | $0-100% | $183 |
| Performance per Dollar | Infinity | 8.2 |
| Codename | Coffee Lake GT3e | Cape Verde |
| Release | October 7 2019 | August 13 2014 |
| Ranking | #720 | #766 |
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