
Radeon R5 M255
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GRID K180Q
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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 R5 M255 is positioned at rank 553 and the GRID K180Q is on rank 381, so the GRID K180Q offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Radeon R5 M255
Performance Per Dollar GRID K180Q
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon R5 M255 is the superior choice for raw performance. It leads with a 1.7% higher G3D Mark score and 700% more VRAM (4 GB vs 512 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GRID K180Q.
| Insight | Radeon R5 M255 | GRID K180Q |
|---|---|---|
| Performance | ✅Leading raw performance (+1.7%) | ❌Lower raw frame rates (-1.7%) |
| Longevity | 🛑Obsolete Architecture (2014 / GCN 1.0 (2012−2020)) | 🛑Obsolete Architecture (2013 / Kepler (2012−2018)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+700%) | ❌ Less VRAM capacity |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | — | — |
💎 Value Proposition
The Radeon R5 M255 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon R5 M255 holds the technical lead. Priced at $30 (vs $1,000), it costs 97% less, resulting in a 3289.5% higher cost efficiency score.
| Insight | Radeon R5 M255 | GRID K180Q |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+3289.5%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($30) | ⚠️Higher upfront cost ($1,000) |
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 R5 M255 and GRID K180Q

Radeon R5 M255
The Radeon R5 M255 is manufactured by AMD. It was released in January 28 2014. It features the GCN 1.0 architecture. The core clock ranges from 900 MHz to 925 MHz. It has 640 shading units. The thermal design power (TDP) is 75W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 543 points. Launch price was $799.99.

GRID K180Q
The GRID K180Q is manufactured by NVIDIA. It was released in June 28 2013. It features the Kepler architecture. The core clock speed is 745 MHz. It has 1536 shading units. The thermal design power (TDP) is 225W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 534 points. Launch price was $1,875.
Graphics Performance
The Radeon R5 M255 scores 543 and the GRID K180Q reaches 534 in the G3D Mark benchmark — just a 1.7% difference, making them near-identical in rasterization performance. The Radeon R5 M255 is built on GCN 1.0 while the GRID K180Q uses Kepler, both on a 28 nm process. Shader units: 640 (Radeon R5 M255) vs 1,536 (GRID K180Q). Raw compute: 1.184 TFLOPS (Radeon R5 M255) vs 2.289 TFLOPS (GRID K180Q).
| Feature | Radeon R5 M255 | GRID K180Q |
|---|---|---|
| G3D Mark Score | 543+2% | 534 |
| Architecture | GCN 1.0 | Kepler |
| Process Node | 28 nm | 28 nm |
| Shading Units | 640 | 1536+140% |
| Compute (TFLOPS) | 1.184 TFLOPS | 2.289 TFLOPS+93% |
| ROPs | 16 | 32+100% |
| TMUs | 40 | 128+220% |
| L1 Cache | 160 KB+25% | 128 KB |
| L2 Cache | 256 KB | 512 KB+100% |
Advanced Features (DLSS/FSR)
| Feature | Radeon R5 M255 | GRID K180Q |
|---|---|---|
| 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 R5 M255 comes with 4 GB of VRAM, while the GRID K180Q has 512 MB. The Radeon R5 M255 offers 700% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 64-bit. L2 Cache: 256 KB (Radeon R5 M255) vs 512 KB (GRID K180Q) — the GRID K180Q has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon R5 M255 | GRID K180Q |
|---|---|---|
| VRAM Capacity | 4 GB+700% | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 128-bit+100% | 64-bit |
| L2 Cache | 256 KB | 512 KB+100% |
Power & Dimensions
The Radeon R5 M255 draws 75W versus the GRID K180Q's 225W — a 100% difference. The Radeon R5 M255 is more power-efficient. Recommended PSU: 350W (Radeon R5 M255) vs 350W (GRID K180Q). Power connectors: Mobile vs PCIe-powered.
| Feature | Radeon R5 M255 | GRID K180Q |
|---|---|---|
| TDP | 75W-67% | 225W |
| Recommended PSU | 350W | 350W |
| Power Connector | Mobile | PCIe-powered |
| Slots | 0 | — |
| Temp (Load) | 80°C | — |
| Perf/Watt | 7.2+200% | 2.4 |
Value Analysis
The Radeon R5 M255 launched at $150 MSRP and currently averages $30, while the GRID K180Q launched at $1000 and now averages $1000. The Radeon R5 M255 costs 97% less ($970 savings) at current market prices. Performance per dollar (G3D Mark / price): 18.1 (Radeon R5 M255) vs 0.5 (GRID K180Q) — the Radeon R5 M255 offers 3520% better value. The Radeon R5 M255 is the newer GPU (2014 vs 2013).
| Feature | Radeon R5 M255 | GRID K180Q |
|---|---|---|
| MSRP | $150-85% | $1000 |
| Avg Price (30d) | $30-97% | $1000 |
| Performance per Dollar | 18.1+3520% | 0.5 |
| Codename | Venus | GK104 |
| Release | January 28 2014 | June 28 2013 |
| Ranking | #851 | #595 |
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