
Radeon HD 7850M vs Iris Plus Graphics 640

Radeon HD 7850M
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Iris Plus Graphics 640
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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 Radeon HD 7850M is positioned at rank #456 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 Radeon HD 7850M
Performance Per Dollar
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon HD 7850M is the superior choice for raw performance. It leads with a 1.5% 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 640.
| Insight | Radeon HD 7850M | Iris Plus Graphics 640 |
|---|---|---|
| Performance | ✅Leading raw performance (+1.5%) | ❌Lower raw frame rates (-1.5%) |
| Longevity | 🛑Obsolete Architecture (2012 / GCN 1.0 (2012−2020)) | 🛑Obsolete Architecture (2017 / Generation 9.5 (2016−2020)) |
| 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 Radeon HD 7850M 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 Radeon HD 7850M and Iris Plus Graphics 640

Radeon HD 7850M
The Radeon HD 7850M is manufactured by AMD. It was released in April 24 2012. It features the GCN 1.0 architecture. The core clock speed is 675 MHz. It has 640 shading units. The thermal design power (TDP) is 40W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,373 points.

Iris Plus Graphics 640
The Iris Plus Graphics 640 is manufactured by Intel. It was released in January 3 2017. It features the Generation 9.5 architecture. The core clock ranges from 300 MHz to 1100 MHz. It has 384 shading units. The thermal design power (TDP) is 15W. Manufactured using 14 nm++ process technology. G3D Mark benchmark score: 1,353 points.
Graphics Performance
The Radeon HD 7850M scores 1,373 and the Iris Plus Graphics 640 reaches 1,353 in the G3D Mark benchmark — just a 1.5% difference, making them near-identical in rasterization performance. The Radeon HD 7850M is built on GCN 1.0 while the Iris Plus Graphics 640 uses Generation 9.5, both on 28 nm vs 14 nm++. Shader units: 640 (Radeon HD 7850M) vs 384 (Iris Plus Graphics 640). Raw compute: 0.864 TFLOPS (Radeon HD 7850M) vs 0.8448 TFLOPS (Iris Plus Graphics 640).
| Feature | Radeon HD 7850M | Iris Plus Graphics 640 |
|---|---|---|
| G3D Mark Score | 1,373+1% | 1,353 |
| Architecture | GCN 1.0 | Generation 9.5 |
| Process Node | 28 nm | 14 nm++ |
| Shading Units | 640+67% | 384 |
| Compute (TFLOPS) | 0.864 TFLOPS+2% | 0.8448 TFLOPS |
| ROPs | 16+167% | 6 |
| TMUs | 40 | 48+20% |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 7850M | Iris Plus Graphics 640 |
|---|---|---|
| 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 7850M comes with 2 GB of VRAM, while the Iris Plus Graphics 640 has 0 MB. The Radeon HD 7850M offers 100+% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: System vs System.
| Feature | Radeon HD 7850M | Iris Plus Graphics 640 |
|---|---|---|
| VRAM Capacity | 2 GB | Shared System RAM |
| Memory Type | Shared | Shared |
| Memory Bandwidth | System | System |
| Bus Width | System | System |
Display & API Support
DirectX support: 12 (11_1) (Radeon HD 7850M) vs 12 (12_1) (Iris Plus Graphics 640). Vulkan: 1.2 vs 1.2. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 6 vs 3.
| Feature | Radeon HD 7850M | Iris Plus Graphics 640 |
|---|---|---|
| DirectX | 12 (11_1) | 12 (12_1) |
| Vulkan | 1.2 | 1.2 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 6+100% | 3 |
Media & Encoding
Hardware encoder: VCE 1.0 (Radeon HD 7850M) vs Quick Sync Video (Iris Plus Graphics 640). Decoder: UVD 3 vs Quick Sync Video. Supported codecs: H.264,VC-1,MPEG-2,MPEG-4,DivX (Radeon HD 7850M) vs H.264,H.265,VP8,VP9 (Iris Plus Graphics 640).
| Feature | Radeon HD 7850M | Iris Plus Graphics 640 |
|---|---|---|
| Encoder | VCE 1.0 | Quick Sync Video |
| Decoder | UVD 3 | Quick Sync Video |
| Codecs | H.264,VC-1,MPEG-2,MPEG-4,DivX | H.264,H.265,VP8,VP9 |
Power & Dimensions
The Radeon HD 7850M draws 40W versus the Iris Plus Graphics 640's 15W — a 90.9% difference. The Iris Plus Graphics 640 is more power-efficient. Recommended PSU: 350W (Radeon HD 7850M) vs 0W (Iris Plus Graphics 640). Power connectors: 1x 6-pin vs None. Typical load temperature: 70°C vs 80.
| Feature | Radeon HD 7850M | Iris Plus Graphics 640 |
|---|---|---|
| TDP | 40W | 15W-63% |
| Recommended PSU | 350W | 0W-100% |
| Power Connector | 1x 6-pin | None |
| Length | — | 0mm |
| Height | — | 0mm |
| Slots | 1 | 0-100% |
| Temp (Load) | 70°C-13% | 80 |
| Perf/Watt | 34.3 | 90.2+163% |
Value Analysis
The Iris Plus Graphics 640 costs 100+% less ($50 savings) at current market prices. Performance per dollar (G3D Mark / price): 27.5 (Radeon HD 7850M) vs Infinity (Iris Plus Graphics 640) — the Iris Plus Graphics 640 offers Infinity% better value. The Iris Plus Graphics 640 is the newer GPU (2017 vs 2012).
| Feature | Radeon HD 7850M | Iris Plus Graphics 640 |
|---|---|---|
| MSRP | — | $0 |
| Avg Price (30d) | $50 | $0-100% |
| Performance per Dollar | 27.5 | Infinity |
| Codename | Heathrow | Kaby Lake GT3e |
| Release | April 24 2012 | January 3 2017 |
| Ranking | #787 | #767 |
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