GeForce GT 745A vs Iris Graphics 540
GeForce GT 745A
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Iris Graphics 540
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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. The GeForce GT 745A is positioned at rank #334 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. 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 GeForce GT 745A
Performance Per Dollar
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Iris Graphics 540 is the superior choice for raw performance. It leads with a 2.9% higher G3D Mark score. However, the GeForce GT 745A offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | GeForce GT 745A | Iris Graphics 540 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-2.9%) | ✅Leading raw performance (+2.9%) |
| Longevity | 🛑Obsolete Architecture (2013 / Kepler (2012−2018)) | 🛑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
While current pricing data is unavailable, the Iris Graphics 540 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 GeForce GT 745A and Iris Graphics 540
GeForce GT 745A
The GeForce GT 745A is manufactured by NVIDIA. It was released in August 26 2013. It features the Kepler architecture. The core clock ranges from 837 MHz to 915 MHz. It has 384 shading units. The thermal design power (TDP) is 33W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,234 points.
Iris Graphics 540
The Iris Graphics 540 is manufactured by Intel. It was released in September 1 2015. It features the Generation 9.0 architecture. The core clock ranges from 300 MHz to 1000 MHz. It has 384 shading units. The thermal design power (TDP) is 15W. Manufactured using 14 nm+ process technology. G3D Mark benchmark score: 1,270 points.
Graphics Performance
The GeForce GT 745A scores 1,234 and the Iris Graphics 540 reaches 1,270 in the G3D Mark benchmark — just a 2.9% difference, making them near-identical in rasterization performance. The GeForce GT 745A is built on Kepler while the Iris Graphics 540 uses Generation 9.0, both on 28 nm vs 14 nm+. Shader units: 384 (GeForce GT 745A) vs 384 (Iris Graphics 540). Raw compute: 0.7027 TFLOPS (GeForce GT 745A) vs 0.768 TFLOPS (Iris Graphics 540). Boost clocks: 915 MHz vs 1000 MHz.
| Feature | GeForce GT 745A | Iris Graphics 540 |
|---|---|---|
| G3D Mark Score | 1,234 | 1,270+3% |
| Architecture | Kepler | Generation 9.0 |
| Process Node | 28 nm | 14 nm+ |
| Shading Units | 384 | 384 |
| Compute (TFLOPS) | 0.7027 TFLOPS | 0.768 TFLOPS+9% |
| Boost Clock | 915 MHz | 1000 MHz+9% |
| ROPs | 16+167% | 6 |
| TMUs | 32 | 48+50% |
Advanced Features (DLSS/FSR)
| Feature | GeForce GT 745A | Iris Graphics 540 |
|---|---|---|
| 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 GeForce GT 745A comes with 512 MB of VRAM, while the Iris Graphics 540 has 0 MB. The GeForce GT 745A offers 100+% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 64-bit vs System.
| Feature | GeForce GT 745A | Iris Graphics 540 |
|---|---|---|
| VRAM Capacity | 0.5 GB | Shared System RAM |
| Memory Type | GDDR5 | Shared |
| Memory Bandwidth | Unknown | System |
| Bus Width | 64-bit | System |
Display & API Support
DirectX support: 12 (11_0) (GeForce GT 745A) vs 12 (FL 12_1) (Iris Graphics 540). Vulkan: 1.2 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 3.
| Feature | GeForce GT 745A | Iris Graphics 540 |
|---|---|---|
| DirectX | 12 (11_0) | 12 (FL 12_1) |
| Vulkan | 1.2 | 1.3+8% |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 4+33% | 3 |
Media & Encoding
Hardware encoder: NVENC (1st Gen) (GeForce GT 745A) vs Quick Sync (Iris Graphics 540). Decoder: PureVideo HD VP5 vs Quick Sync. Supported codecs: H.264,VC-1,MPEG-2 (GeForce GT 745A) vs H.264,HEVC,VP8 (Iris Graphics 540).
| Feature | GeForce GT 745A | Iris Graphics 540 |
|---|---|---|
| Encoder | NVENC (1st Gen) | Quick Sync |
| Decoder | PureVideo HD VP5 | Quick Sync |
| Codecs | H.264,VC-1,MPEG-2 | H.264,HEVC,VP8 |
Power & Dimensions
The GeForce GT 745A draws 33W versus the Iris Graphics 540's 15W — a 75% difference. The Iris Graphics 540 is more power-efficient. Recommended PSU: 350W (GeForce GT 745A) vs 1W (Iris Graphics 540). Power connectors: PCIe-powered vs Integrated.
| Feature | GeForce GT 745A | Iris Graphics 540 |
|---|---|---|
| TDP | 33W | 15W-55% |
| Recommended PSU | 350W | 1W-100% |
| Power Connector | PCIe-powered | Integrated |
| Slots | 0 | 0 |
| Temp (Load) | 80°C | — |
| Perf/Watt | 37.4 | 84.7+126% |
Value Analysis
The GeForce GT 745A launched at $99 MSRP and currently averages $20, while the Iris Graphics 540 launched at $0 and now averages $0. The Iris Graphics 540 costs 100+% less ($20 savings) at current market prices. Performance per dollar (G3D Mark / price): 61.7 (GeForce GT 745A) vs Infinity (Iris Graphics 540) — the Iris Graphics 540 offers Infinity% better value. The Iris Graphics 540 is the newer GPU (2015 vs 2013).
| Feature | GeForce GT 745A | Iris Graphics 540 |
|---|---|---|
| MSRP | $99 | $0-100% |
| Avg Price (30d) | $20 | $0-100% |
| Performance per Dollar | 61.7 | Infinity |
| Codename | GK107 | Skylake GT3e |
| Release | August 26 2013 | September 1 2015 |
| Ranking | #811 | #808 |
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