
RTXA5000-6Q vs Radeon R9 255

RTXA5000-6Q
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Radeon R9 255
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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 RTXA5000-6Q is positioned at rank #374 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 RTXA5000-6Q
Performance Per Dollar
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The RTXA5000-6Q is significantly newer (2021 vs 2014). The RTXA5000-6Q likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Radeon R9 255 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The RTXA5000-6Q is the superior choice for raw performance. It leads with a 1.4% higher G3D Mark score. However, the Radeon R9 255 offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | RTXA5000-6Q | Radeon R9 255 |
|---|---|---|
| Performance | ✅Leading raw performance (+1.4%) | ❌Lower raw frame rates (-1.4%) |
| Longevity | 🏆Elite Architecture (Ampere (2020−2025) / 8nm) | 🛑Obsolete Architecture (2014 / GCN 3.0 (2014−2019)) |
| Ecosystem | ✨ DLSS 3/4 + Frame Gen Support | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+300%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | — | — |
💎 Value Proposition
The Radeon R9 255 offers a compelling cost-to-performance ratio. Priced at $30 versus $2,500 for the RTXA5000-6Q, it costs 99% less. While it maintains basic entry-level capabilities, this results in a 8118.4% higher cost efficiency score.
| Insight | RTXA5000-6Q | Radeon R9 255 |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+8118.4%) |
| Upfront Cost | ⚠️Higher upfront cost ($2,500) | ✅More affordable ($30) |
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 RTXA5000-6Q and Radeon R9 255

RTXA5000-6Q
The RTXA5000-6Q is manufactured by NVIDIA. It was released in April 12 2021. It features the Ampere architecture. The core clock ranges from 1170 MHz to 1695 MHz. It has 8192 shading units. The thermal design power (TDP) is 230W. Manufactured using 8 nm process technology. It features 64 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 1,522 points.

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.
Graphics Performance
The RTXA5000-6Q scores 1,522 and the Radeon R9 255 reaches 1,501 in the G3D Mark benchmark — just a 1.4% difference, making them near-identical in rasterization performance. The RTXA5000-6Q is built on Ampere while the Radeon R9 255 uses GCN 3.0, both on 8 nm vs 28 nm. Shader units: 8,192 (RTXA5000-6Q) vs 1,792 (Radeon R9 255). Raw compute: 27.77 TFLOPS (RTXA5000-6Q) vs 3.29 TFLOPS (Radeon R9 255).
| Feature | RTXA5000-6Q | Radeon R9 255 |
|---|---|---|
| G3D Mark Score | 1,522+1% | 1,501 |
| Architecture | Ampere | GCN 3.0 |
| Process Node | 8 nm | 28 nm |
| Shading Units | 8192+357% | 1792 |
| Compute (TFLOPS) | 27.77 TFLOPS+744% | 3.29 TFLOPS |
| ROPs | 96+200% | 32 |
| TMUs | 256+129% | 112 |
| L1 Cache | 8 MB+1718% | 0.44 MB |
| L2 Cache | 6 MB+1100% | 0.5 MB |
Advanced Features (DLSS/FSR)
| Feature | RTXA5000-6Q | Radeon R9 255 |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 1.0 (Software) |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | NVIDIA Reflex | AMD Anti-Lag |
Video Memory (VRAM)
The RTXA5000-6Q comes with 512 MB of VRAM, while the Radeon R9 255 has 2 GB. The Radeon R9 255 offers 300% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 64-bit vs 128-bit. L2 Cache: 6 MB (RTXA5000-6Q) vs 0.5 MB (Radeon R9 255) — the RTXA5000-6Q has significantly larger on-die cache to reduce VRAM reliance.
| Feature | RTXA5000-6Q | Radeon R9 255 |
|---|---|---|
| VRAM Capacity | 0.5 GB | 2 GB+300% |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 64-bit | 128-bit+100% |
| L2 Cache | 6 MB+1100% | 0.5 MB |
Power & Dimensions
The RTXA5000-6Q draws 230W versus the Radeon R9 255's 190W — a 19% difference. The Radeon R9 255 is more power-efficient. Recommended PSU: 350W (RTXA5000-6Q) vs 400W (Radeon R9 255). Power connectors: PCIe-powered vs 1x 6-pin.
| Feature | RTXA5000-6Q | Radeon R9 255 |
|---|---|---|
| TDP | 230W | 190W-17% |
| Recommended PSU | 350W-13% | 400W |
| Power Connector | PCIe-powered | 1x 6-pin |
| Perf/Watt | 6.6 | 7.9+20% |
Value Analysis
The RTXA5000-6Q launched at $2500 MSRP and currently averages $2500, while the Radeon R9 255 launched at $139 and now averages $30. The Radeon R9 255 costs 98.8% less ($2470 savings) at current market prices. Performance per dollar (G3D Mark / price): 0.6 (RTXA5000-6Q) vs 50.0 (Radeon R9 255) — the Radeon R9 255 offers 8233.3% better value. The RTXA5000-6Q is the newer GPU (2021 vs 2014).
| Feature | RTXA5000-6Q | Radeon R9 255 |
|---|---|---|
| MSRP | $2500 | $139-94% |
| Avg Price (30d) | $2500 | $30-99% |
| Performance per Dollar | 0.6 | 50.0+8233% |
| Codename | GA102 | Tonga |
| Release | April 12 2021 | September 2 2014 |
| Ranking | #53 | #365 |
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