Radeon HD 6790 vs Iris Pro Graphics P6300
Radeon HD 6790
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Iris Pro Graphics P6300
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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
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Iris Pro Graphics P6300 is the superior choice for raw performance. It leads with a 1% higher G3D Mark score. However, the Radeon HD 6790 offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | Radeon HD 6790 | Iris Pro Graphics P6300 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-1%) | ✅Leading raw performance (+1%) |
| Longevity | 🛑Obsolete Architecture (2011 / TeraScale 2 (2009−2015)) | 🛑Obsolete Architecture (2014 / Generation 8.0 (2014−2015)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+100+%) | ❌ Less VRAM capacity |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | 📏 Compact / SFF Friendly | — |
💎 Value Proposition
The Iris Pro Graphics P6300 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Iris Pro Graphics P6300 holds the technical lead. Priced at $50 (vs $149), it costs 66% less, resulting in a 200.9% higher cost efficiency score.
| Insight | Radeon HD 6790 | Iris Pro Graphics P6300 |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+200.9%) |
| Upfront Cost | ⚠️Higher upfront cost ($149) | ✅More affordable ($50) |
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 HD 6790 and Iris Pro Graphics P6300
Radeon HD 6790
The Radeon HD 6790 is manufactured by AMD. It was released in April 4 2011. It features the TeraScale 2 architecture. The core clock speed is 840 MHz. It has 800 shading units. The thermal design power (TDP) is 150W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 1,567 points. Launch price was $149.
Iris Pro Graphics P6300
The Iris Pro Graphics P6300 is manufactured by Intel. It was released in September 5 2014. It features the Generation 8.0 architecture. The core clock ranges from 300 MHz to 800 MHz. It has 384 shading units. The thermal design power (TDP) is 15W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 1,582 points.
Graphics Performance
The Radeon HD 6790 scores 1,567 and the Iris Pro Graphics P6300 reaches 1,582 in the G3D Mark benchmark — just a 1% difference, making them near-identical in rasterization performance. The Radeon HD 6790 is built on TeraScale 2 while the Iris Pro Graphics P6300 uses Generation 8.0, both on 40 nm vs 14 nm. Shader units: 800 (Radeon HD 6790) vs 384 (Iris Pro Graphics P6300). Raw compute: 1.344 TFLOPS (Radeon HD 6790) vs 0.6144 TFLOPS (Iris Pro Graphics P6300).
| Feature | Radeon HD 6790 | Iris Pro Graphics P6300 |
|---|---|---|
| G3D Mark Score | 1,567 | 1,582 |
| Architecture | TeraScale 2 | Generation 8.0 |
| Process Node | 40 nm | 14 nm |
| Shading Units | 800+108% | 384 |
| Compute (TFLOPS) | 1.344 TFLOPS+119% | 0.6144 TFLOPS |
| ROPs | 16+167% | 6 |
| TMUs | 40 | 48+20% |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 6790 | Iris Pro Graphics P6300 |
|---|---|---|
| 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 HD 6790 comes with 1 GB of VRAM, while the Iris Pro Graphics P6300 has 0 MB. The Radeon HD 6790 offers 100+% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs System.
| Feature | Radeon HD 6790 | Iris Pro Graphics P6300 |
|---|---|---|
| VRAM Capacity | 1 GB | Shared System RAM |
| Memory Type | GDDR5 | Shared |
| Memory Bandwidth | Unknown | System |
| Bus Width | 128-bit | System |
Display & API Support
DirectX support: 11.2 (11_0) (Radeon HD 6790) vs 12 (11_1) (Iris Pro Graphics P6300). Vulkan: N/A vs 1.1. OpenGL: 4.4 vs 4.6.
| Feature | Radeon HD 6790 | Iris Pro Graphics P6300 |
|---|---|---|
| DirectX | 11.2 (11_0) | 12 (11_1)+7% |
| Vulkan | N/A | 1.1 |
| OpenGL | 4.4 | 4.6+5% |
Power & Dimensions
The Radeon HD 6790 draws 150W versus the Iris Pro Graphics P6300's 15W — a 163.6% difference. The Iris Pro Graphics P6300 is more power-efficient. Recommended PSU: 450W (Radeon HD 6790) vs 1W (Iris Pro Graphics P6300). Power connectors: 2x 6-pin vs Integrated. Typical load temperature: 80 vs 75°C.
| Feature | Radeon HD 6790 | Iris Pro Graphics P6300 |
|---|---|---|
| TDP | 150W | 15W-90% |
| Recommended PSU | 450W | 1W-100% |
| Power Connector | 2x 6-pin | Integrated |
| Length | 240mm | — |
| Height | 111mm | — |
| Slots | 2 | — |
| Temp (Load) | 80 | 75°C-6% |
| Perf/Watt | 10.4 | 105.5+914% |
Value Analysis
The Radeon HD 6790 launched at $149 MSRP and currently averages $149, while the Iris Pro Graphics P6300 launched at $150 and now averages $50. The Iris Pro Graphics P6300 costs 66.4% less ($99 savings) at current market prices. Performance per dollar (G3D Mark / price): 10.5 (Radeon HD 6790) vs 31.6 (Iris Pro Graphics P6300) — the Iris Pro Graphics P6300 offers 201% better value. The Iris Pro Graphics P6300 is the newer GPU (2014 vs 2011).
| Feature | Radeon HD 6790 | Iris Pro Graphics P6300 |
|---|---|---|
| MSRP | $149 | $150 |
| Avg Price (30d) | $149 | $50-66% |
| Performance per Dollar | 10.5 | 31.6+201% |
| Codename | Barts | Broadwell GT3e |
| Release | April 4 2011 | September 5 2014 |
| Ranking | #759 | #755 |
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