
Radeon HD 8690M
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Radeon R7 M270DX
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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 HD 8690M is positioned at rank 247 and the Radeon R7 M270DX is on rank 372, so the Radeon HD 8690M offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Radeon HD 8690M
Performance Per Dollar Radeon R7 M270DX
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon HD 8690M is the superior choice for raw performance. It leads with a 2.3% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon R7 M270DX.
| Insight | Radeon HD 8690M | Radeon R7 M270DX |
|---|---|---|
| Performance | ✅Leading raw performance (+2.3%) | ❌Lower raw frame rates (-2.3%) |
| Longevity | 🛑Obsolete Architecture (2013 / GCN 1.0 (2012−2020)) | 🛑Obsolete Architecture (2014 / GCN 3.0 (2014−2019)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+0%) |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | 📏 Compact / SFF Friendly | — |
💎 Value Proposition
While current pricing data is unavailable, the Radeon HD 8690M 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 8690M and Radeon R7 M270DX

Radeon HD 8690M
The Radeon HD 8690M is manufactured by AMD. It was released in March 1 2013. It features the GCN 1.0 architecture. The core clock ranges from 775 MHz to 825 MHz. It has 320 shading units. The thermal design power (TDP) is 50W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 984 points.

Radeon R7 M270DX
The Radeon R7 M270DX is manufactured by AMD. It was released in June 11 2014. It features the GCN 3.0 architecture. The core clock ranges from 900 MHz to 940 MHz. It has 384 shading units. The thermal design power (TDP) is 75W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 962 points.
Graphics Performance
The Radeon HD 8690M scores 984 and the Radeon R7 M270DX reaches 962 in the G3D Mark benchmark — just a 2.3% difference, making them near-identical in rasterization performance. The Radeon HD 8690M is built on GCN 1.0 while the Radeon R7 M270DX uses GCN 3.0, both on a 28 nm process. Shader units: 320 (Radeon HD 8690M) vs 384 (Radeon R7 M270DX). Raw compute: 0.528 TFLOPS (Radeon HD 8690M) vs 0.7219 TFLOPS (Radeon R7 M270DX). Boost clocks: 825 MHz vs 940 MHz.
| Feature | Radeon HD 8690M | Radeon R7 M270DX |
|---|---|---|
| G3D Mark Score | 984+2% | 962 |
| Architecture | GCN 1.0 | GCN 3.0 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 320 | 384+20% |
| Compute (TFLOPS) | 0.528 TFLOPS | 0.7219 TFLOPS+37% |
| Boost Clock | 825 MHz | 940 MHz+14% |
| ROPs | 8 | 8 |
| TMUs | 20 | 24+20% |
| L1 Cache | 80 KB | 96 KB+20% |
| L2 Cache | 128 KB | 256 KB+100% |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 8690M | Radeon R7 M270DX |
|---|---|---|
| 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 | AMD Anti-Lag |
Video Memory (VRAM)
Both cards feature 512 MB of video memory. Bus width: System vs 128-bit. L2 Cache: 128 KB (Radeon HD 8690M) vs 256 KB (Radeon R7 M270DX) — the Radeon R7 M270DX has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 8690M | Radeon R7 M270DX |
|---|---|---|
| VRAM Capacity | 0.5 GB | 0.5 GB |
| Memory Type | Shared | GDDR5 |
| Memory Bandwidth | System | Unknown |
| Bus Width | System | 128-bit |
| L2 Cache | 128 KB | 256 KB+100% |
Power & Dimensions
The Radeon HD 8690M draws 50W versus the Radeon R7 M270DX's 75W — a 40% difference. The Radeon HD 8690M is more power-efficient. Recommended PSU: 350W (Radeon HD 8690M) vs 350W (Radeon R7 M270DX). Power connectors: 1x 6-pin vs Mobile.
| Feature | Radeon HD 8690M | Radeon R7 M270DX |
|---|---|---|
| TDP | 50W-33% | 75W |
| Recommended PSU | 350W | 350W |
| Power Connector | 1x 6-pin | Mobile |
| Length | 1mm | — |
| Slots | 0 | — |
| Perf/Watt | 19.7+54% | 12.8 |
Value Analysis
The Radeon R7 M270DX is the newer GPU (2014 vs 2013).
| Feature | Radeon HD 8690M | Radeon R7 M270DX |
|---|---|---|
| MSRP | — | $100 |
| Avg Price (30d) | — | $20 |
| Codename | Sun | Topaz |
| Release | March 1 2013 | June 11 2014 |
| Ranking | #891 | #897 |
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