
Radeon R9 255
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Radeon R5 (Bristol Ridge)
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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.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar
Performance Per Dollar Radeon R5 (Bristol Ridge)
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon R9 255 is the superior choice for raw performance. It leads with a 0.1% higher G3D Mark score and 300% more VRAM (2 GB vs 512 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon R5 (Bristol Ridge).
| Insight | Radeon R9 255 | Radeon R5 (Bristol Ridge) |
|---|---|---|
| Performance | ✅Leading raw performance (+0.1%) | ❌Lower raw frame rates (-0.1%) |
| Longevity | 🛑Obsolete Architecture (2014 / GCN 3.0 (2014−2019)) | 🛑Obsolete Architecture (2016 / GCN 1.2/2.0 (2015−2016)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+300%) | ❌ Less VRAM capacity |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | — | — |
💎 Value Proposition
The Radeon R9 255 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon R9 255 holds the technical lead. Priced at $30 (vs $50), it costs 40% less, resulting in a 66.8% higher cost efficiency score.
| Insight | Radeon R9 255 | Radeon R5 (Bristol Ridge) |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+66.8%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($30) | ⚠️Higher upfront cost ($50) |
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 R9 255 and Radeon R5 (Bristol Ridge)

Radeon R9 255
The Radeon R9 255 is manufactured by AMD. It was released in September 2 2014. It features the GCN 3.0 architecture. The core clock speed is 918 MHz. It has 1792 shading units. The thermal design power (TDP) is 190W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,501 points. Launch price was $249.

Radeon R5 (Bristol Ridge)
The Radeon R5 (Bristol Ridge) is manufactured by AMD. It was released in June 1 2016. It features the GCN 1.2/2.0 architecture. The boost clock speed is 800 MHz. It has 384 shading units. The thermal design power (TDP) is 12W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,500 points.
Graphics Performance
The Radeon R9 255 scores 1,501 and the Radeon R5 (Bristol Ridge) reaches 1,500 in the G3D Mark benchmark — just a 0.1% difference, making them near-identical in rasterization performance. The Radeon R9 255 is built on GCN 3.0 while the Radeon R5 (Bristol Ridge) uses GCN 1.2/2.0, both on a 28 nm process. Shader units: 1,792 (Radeon R9 255) vs 384 (Radeon R5 (Bristol Ridge)).
| Feature | Radeon R9 255 | Radeon R5 (Bristol Ridge) |
|---|---|---|
| G3D Mark Score | 1,501 | 1,500 |
| Architecture | GCN 3.0 | GCN 1.2/2.0 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 1792+367% | 384 |
Advanced Features (DLSS/FSR)
| Feature | Radeon R9 255 | Radeon R5 (Bristol Ridge) |
|---|---|---|
| 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 R9 255 comes with 2 GB of VRAM, while the Radeon R5 (Bristol Ridge) has 512 MB. The Radeon R9 255 offers 300% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit.
| Feature | Radeon R9 255 | Radeon R5 (Bristol Ridge) |
|---|---|---|
| VRAM Capacity | 2 GB+300% | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
Power & Dimensions
The Radeon R9 255 draws 190W versus the Radeon R5 (Bristol Ridge)'s 12W — a 176.2% difference. The Radeon R5 (Bristol Ridge) is more power-efficient. Recommended PSU: 400W (Radeon R9 255) vs 350W (Radeon R5 (Bristol Ridge)). Power connectors: 1x 6-pin vs PCIe-powered.
| Feature | Radeon R9 255 | Radeon R5 (Bristol Ridge) |
|---|---|---|
| TDP | 190W | 12W-94% |
| Recommended PSU | 400W | 350W-13% |
| Power Connector | 1x 6-pin | PCIe-powered |
| Perf/Watt | 7.9 | 125.0+1482% |
Value Analysis
The Radeon R9 255 launched at $139 MSRP and currently averages $30, while the Radeon R5 (Bristol Ridge) launched at $50 and now averages $50. The Radeon R9 255 costs 40% less ($20 savings) at current market prices. Performance per dollar (G3D Mark / price): 50.0 (Radeon R9 255) vs 30.0 (Radeon R5 (Bristol Ridge)) — the Radeon R9 255 offers 66.7% better value. The Radeon R5 (Bristol Ridge) is the newer GPU (2016 vs 2014).
| Feature | Radeon R9 255 | Radeon R5 (Bristol Ridge) |
|---|---|---|
| MSRP | $139 | $50-64% |
| Avg Price (30d) | $30-40% | $50 |
| Performance per Dollar | 50.0+67% | 30.0 |
| Codename | Tonga | Bristol Ridge |
| Release | September 2 2014 | June 1 2016 |
| Ranking | #365 | #904 |
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