Radeon R7 340 vs Radeon R7 M270DX
Radeon R7 340
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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 R7 340 is positioned at rank 130 and the Radeon R7 M270DX is on rank 372, so the Radeon R7 340 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Radeon R7 340
Performance Per Dollar Radeon R7 M270DX
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon R7 M270DX is the superior choice for raw performance. It leads with a 0.2% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon R7 340.
| Insight | Radeon R7 340 | Radeon R7 M270DX |
|---|---|---|
| Performance | ❌Lower raw frame rates (-0.2%) | ✅Leading raw performance (+0.2%) |
| Longevity | 🛑Obsolete Architecture (2015 / 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 | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | — | — |
💎 Value Proposition
The Radeon R7 M270DX offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon R7 M270DX holds the technical lead. Priced at $20 (vs $25), it costs 20% less, resulting in a 25.3% higher cost efficiency score.
| Insight | Radeon R7 340 | Radeon R7 M270DX |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+25.3%) |
| Upfront Cost | ⚠️Higher upfront cost ($25) | ✅More affordable ($20) |
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 R7 340 and Radeon R7 M270DX
Radeon R7 340
The Radeon R7 340 is manufactured by AMD. It was released in June 18 2015. It features the GCN 1.0 architecture. The boost clock speed is 975 MHz. It has 1024 shading units. The thermal design power (TDP) is 100W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 960 points. Launch price was $149.
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 R7 340 scores 960 and the Radeon R7 M270DX reaches 962 in the G3D Mark benchmark — just a 0.2% difference, making them near-identical in rasterization performance. The Radeon R7 340 is built on GCN 1.0 while the Radeon R7 M270DX uses GCN 3.0, both on a 28 nm process. Shader units: 1,024 (Radeon R7 340) vs 384 (Radeon R7 M270DX). Raw compute: 1.997 TFLOPS (Radeon R7 340) vs 0.7219 TFLOPS (Radeon R7 M270DX). Boost clocks: 975 MHz vs 940 MHz.
| Feature | Radeon R7 340 | Radeon R7 M270DX |
|---|---|---|
| G3D Mark Score | 960 | 962 |
| Architecture | GCN 1.0 | GCN 3.0 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 1024+167% | 384 |
| Compute (TFLOPS) | 1.997 TFLOPS+177% | 0.7219 TFLOPS |
| Boost Clock | 975 MHz+4% | 940 MHz |
| ROPs | 32+300% | 8 |
| TMUs | 64+167% | 24 |
| L1 Cache | 256 KB+167% | 96 KB |
| L2 Cache | 512 KB+100% | 256 KB |
Advanced Features (DLSS/FSR)
| Feature | Radeon R7 340 | 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 GDDR5. Bus width: 128-bit vs 128-bit. L2 Cache: 512 KB (Radeon R7 340) vs 256 KB (Radeon R7 M270DX) — the Radeon R7 340 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon R7 340 | Radeon R7 M270DX |
|---|---|---|
| VRAM Capacity | 0.5 GB | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 512 KB+100% | 256 KB |
Power & Dimensions
The Radeon R7 340 draws 100W versus the Radeon R7 M270DX's 75W — a 28.6% difference. The Radeon R7 M270DX is more power-efficient. Recommended PSU: 300W (Radeon R7 340) vs 350W (Radeon R7 M270DX). Power connectors: None vs Mobile.
| Feature | Radeon R7 340 | Radeon R7 M270DX |
|---|---|---|
| TDP | 100W | 75W-25% |
| Recommended PSU | 300W-14% | 350W |
| Power Connector | None | Mobile |
| Perf/Watt | 9.6 | 12.8+33% |
Value Analysis
The Radeon R7 340 launched at $99 MSRP and currently averages $25, while the Radeon R7 M270DX launched at $100 and now averages $20. The Radeon R7 M270DX costs 20% less ($5 savings) at current market prices. Performance per dollar (G3D Mark / price): 38.4 (Radeon R7 340) vs 48.1 (Radeon R7 M270DX) — the Radeon R7 M270DX offers 25.3% better value. The Radeon R7 340 is the newer GPU (2015 vs 2014).
| Feature | Radeon R7 340 | Radeon R7 M270DX |
|---|---|---|
| MSRP | $99-1% | $100 |
| Avg Price (30d) | $25 | $20-20% |
| Performance per Dollar | 38.4 | 48.1+25% |
| Codename | Trinidad | Topaz |
| Release | June 18 2015 | June 11 2014 |
| Ranking | #467 | #897 |
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