
Radeon R5 M255 vs Radeon Vega 3 3020e

Radeon R5 M255
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Radeon Vega 3 3020e
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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 R5 M255 is positioned at rank #553 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 R5 M255
Performance Per Dollar
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The Radeon Vega 3 3020e uses modern memory architecture. The Radeon Vega 3 3020e likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Radeon R5 M255 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The Radeon R5 M255 is the superior choice for raw performance. It leads with a 1.5% higher G3D Mark score and 100+% more VRAM (4 GB vs 0 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon Vega 3 3020e.
| Insight | Radeon R5 M255 | Radeon Vega 3 3020e |
|---|---|---|
| Performance | ✅Leading raw performance (+1.5%) | ❌Lower raw frame rates (-1.5%) |
| Longevity | 🛑Obsolete Architecture (2014 / GCN 1.0 (2012−2020)) | 🛑Obsolete Architecture (2018 / GCN 5.0 (2017−2020)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+100+%) | ❌ Less VRAM capacity |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | — | — |
💎 Value Proposition
While current pricing data is unavailable, the Radeon R5 M255 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 R5 M255 and Radeon Vega 3 3020e

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.

Radeon Vega 3 3020e
The Radeon Vega 3 3020e is manufactured by AMD. It was released in November 14 2018. It features the GCN 5.0 architecture. The core clock ranges from 815 MHz to 1283 MHz. It has 1280 shading units. The thermal design power (TDP) is 100W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 535 points.
Graphics Performance
The Radeon R5 M255 scores 543 and the Radeon Vega 3 3020e reaches 535 in the G3D Mark benchmark — just a 1.5% difference, making them near-identical in rasterization performance. The Radeon R5 M255 is built on GCN 1.0 while the Radeon Vega 3 3020e uses GCN 5.0, both on 28 nm vs 14 nm. Shader units: 640 (Radeon R5 M255) vs 1,280 (Radeon Vega 3 3020e). Raw compute: 1.184 TFLOPS (Radeon R5 M255) vs 3.284 TFLOPS (Radeon Vega 3 3020e). Boost clocks: 925 MHz vs 1283 MHz.
| Feature | Radeon R5 M255 | Radeon Vega 3 3020e |
|---|---|---|
| G3D Mark Score | 543+1% | 535 |
| Architecture | GCN 1.0 | GCN 5.0 |
| Process Node | 28 nm | 14 nm |
| Shading Units | 640 | 1280+100% |
| Compute (TFLOPS) | 1.184 TFLOPS | 3.284 TFLOPS+177% |
| Boost Clock | 925 MHz | 1283 MHz+39% |
| ROPs | 16 | 32+100% |
| TMUs | 40 | 80+100% |
| L1 Cache | 160 KB | 320 KB+100% |
| L2 Cache | 0.25 MB | 1 MB+300% |
Advanced Features (DLSS/FSR)
| Feature | Radeon R5 M255 | Radeon Vega 3 3020e |
|---|---|---|
| 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)
The Radeon R5 M255 comes with 4 GB of VRAM, while the Radeon Vega 3 3020e has 0 MB. The Radeon R5 M255 offers 100+% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs System. L2 Cache: 0.25 MB (Radeon R5 M255) vs 1 MB (Radeon Vega 3 3020e) — the Radeon Vega 3 3020e has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon R5 M255 | Radeon Vega 3 3020e |
|---|---|---|
| VRAM Capacity | 4 GB | Shared System RAM |
| Memory Type | GDDR5 | Shared |
| Memory Bandwidth | Unknown | System |
| Bus Width | 128-bit | System |
| L2 Cache | 0.25 MB | 1 MB+300% |
Display & API Support
DirectX support: 12 (Radeon R5 M255) vs 12 (12_1) (Radeon Vega 3 3020e). Vulkan: 1.2 vs 1.2. OpenGL: 4.3 vs 4.6. Maximum simultaneous displays: 2 vs 3.
| Feature | Radeon R5 M255 | Radeon Vega 3 3020e |
|---|---|---|
| DirectX | 12 | 12 (12_1) |
| Vulkan | 1.2 | 1.2 |
| OpenGL | 4.3 | 4.6+7% |
| Max Displays | 2 | 3+50% |
Media & Encoding
Hardware encoder: VCE 3.0 (Radeon R5 M255) vs VCN 1.0 (Radeon Vega 3 3020e). Decoder: UVD 4.2 vs VCN 1.0. Supported codecs: H.264,MPEG-4,MPEG-2,VC-1 (Radeon R5 M255) vs H.264,H.265,VP9 (Radeon Vega 3 3020e).
| Feature | Radeon R5 M255 | Radeon Vega 3 3020e |
|---|---|---|
| Encoder | VCE 3.0 | VCN 1.0 |
| Decoder | UVD 4.2 | VCN 1.0 |
| Codecs | H.264,MPEG-4,MPEG-2,VC-1 | H.264,H.265,VP9 |
Power & Dimensions
The Radeon R5 M255 draws 75W versus the Radeon Vega 3 3020e's 100W — a 28.6% difference. The Radeon R5 M255 is more power-efficient. Recommended PSU: 350W (Radeon R5 M255) vs 1W (Radeon Vega 3 3020e). Power connectors: Mobile vs Integrated.
| Feature | Radeon R5 M255 | Radeon Vega 3 3020e |
|---|---|---|
| TDP | 75W-25% | 100W |
| Recommended PSU | 350W | 1W-100% |
| Power Connector | Mobile | Integrated |
| Slots | 0 | — |
| Temp (Load) | 80°C | — |
| Perf/Watt | 7.2+36% | 5.3 |
Value Analysis
The Radeon R5 M255 launched at $150 MSRP and currently averages $30, while the Radeon Vega 3 3020e launched at $0 and now averages $0. The Radeon Vega 3 3020e costs 100+% less ($30 savings) at current market prices. Performance per dollar (G3D Mark / price): 18.1 (Radeon R5 M255) vs Infinity (Radeon Vega 3 3020e) — the Radeon Vega 3 3020e offers Infinity% better value. The Radeon Vega 3 3020e is the newer GPU (2018 vs 2014).
| Feature | Radeon R5 M255 | Radeon Vega 3 3020e |
|---|---|---|
| MSRP | $150 | $0-100% |
| Avg Price (30d) | $30 | $0-100% |
| Performance per Dollar | 18.1 | Infinity |
| Codename | Venus | Vega 12 |
| Release | January 28 2014 | November 14 2018 |
| Ranking | #851 | #435 |
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