
Radeon R9 390 vs Radeon RX 5600M

Radeon R9 390
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Radeon RX 5600M
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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 RX 5600M
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The Radeon RX 5600M uses modern memory architecture. The Radeon RX 5600M likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Radeon R9 390 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The Radeon RX 5600M is the superior choice for raw performance. It leads with a 0% higher G3D Mark score. However, the Radeon R9 390 offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | Radeon R9 390 | Radeon RX 5600M |
|---|---|---|
| Performance | ❌Lower raw frame rates (-0%) | ✅Leading raw performance (+0%) |
| Longevity | 🛑Obsolete Architecture (2015 / GCN 2.0 (2013−2017)) | RDNA 1.0 (2019−2020) (7nm) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+33.3%) | 🎮 High Capacity (6 GB) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | Standard Size (275mm) | — |
💎 Value Proposition
While current pricing data is unavailable, the Radeon RX 5600M 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 R9 390 and Radeon RX 5600M

Radeon R9 390
The Radeon R9 390 is manufactured by AMD. It was released in June 18 2015. It features the GCN 2.0 architecture. The boost clock speed is 1000 MHz. It has 2560 shading units. The thermal design power (TDP) is 300W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 8,855 points. Launch price was $329.

Radeon RX 5600M
The Radeon RX 5600M is manufactured by AMD. It was released in July 7 2020. It features the RDNA 1.0 architecture. The core clock ranges from 1035 MHz to 1265 MHz. It has 2304 shading units. The thermal design power (TDP) is 150W. Manufactured using 7 nm process technology. G3D Mark benchmark score: 8,857 points.
Graphics Performance
The Radeon R9 390 scores 8,855 and the Radeon RX 5600M reaches 8,857 in the G3D Mark benchmark — just a 0% difference, making them near-identical in rasterization performance. The Radeon R9 390 is built on GCN 2.0 while the Radeon RX 5600M uses RDNA 1.0, both on 28 nm vs 7 nm. Shader units: 2,560 (Radeon R9 390) vs 2,304 (Radeon RX 5600M). Raw compute: 5.12 TFLOPS (Radeon R9 390) vs 5.829 TFLOPS (Radeon RX 5600M). Boost clocks: 1000 MHz vs 1265 MHz.
| Feature | Radeon R9 390 | Radeon RX 5600M |
|---|---|---|
| G3D Mark Score | 8,855 | 8,857 |
| Architecture | GCN 2.0 | RDNA 1.0 |
| Process Node | 28 nm | 7 nm |
| Shading Units | 2560+11% | 2304 |
| Compute (TFLOPS) | 5.12 TFLOPS | 5.829 TFLOPS+14% |
| Boost Clock | 1000 MHz | 1265 MHz+27% |
| ROPs | 64 | 64 |
| TMUs | 160+11% | 144 |
| L2 Cache | 1 MB | 3 MB+200% |
Advanced Features (DLSS/FSR)
| Feature | Radeon R9 390 | Radeon RX 5600M |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 2.1 |
| Frame Generation | Not Supported | FSR 3 (Compatible) |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | AMD Anti-Lag |
Video Memory (VRAM)
The Radeon R9 390 comes with 8 GB of VRAM, while the Radeon RX 5600M has 6 GB. The Radeon R9 390 offers 33.3% more capacity, crucial for higher resolutions and texture-heavy games. Memory bandwidth: 320 GB/s (Radeon R9 390) vs 288 GB/s (Radeon RX 5600M) — a 11.1% advantage for the Radeon R9 390. Bus width: 512-bit vs 192-bit. L2 Cache: 1 MB (Radeon R9 390) vs 3 MB (Radeon RX 5600M) — the Radeon RX 5600M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon R9 390 | Radeon RX 5600M |
|---|---|---|
| VRAM Capacity | 8 GB+33% | 6 GB |
| Memory Type | GDDR5 | GDDR6 |
| Memory Bandwidth | 320 GB/s+11% | 288 GB/s |
| Bus Width | 512-bit+167% | 192-bit |
| L2 Cache | 1 MB | 3 MB+200% |
Display & API Support
DirectX support: 12.0 (Radeon R9 390) vs 12.1 (Radeon RX 5600M). Vulkan: 1.2 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 6 vs 4.
| Feature | Radeon R9 390 | Radeon RX 5600M |
|---|---|---|
| DirectX | 12.0 | 12.1 |
| Vulkan | 1.2 | 1.3+8% |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 6+50% | 4 |
Media & Encoding
Hardware encoder: VCE 2.0 (Radeon R9 390) vs VCN 2.0 (Radeon RX 5600M). Decoder: UVD 4.2 vs VCN 2.0. Supported codecs: MPEG-2,H.264,VC-1 (Radeon R9 390) vs MPEG-2,H.264,HEVC,VP9 (Radeon RX 5600M).
| Feature | Radeon R9 390 | Radeon RX 5600M |
|---|---|---|
| Encoder | VCE 2.0 | VCN 2.0 |
| Decoder | UVD 4.2 | VCN 2.0 |
| Codecs | MPEG-2,H.264,VC-1 | MPEG-2,H.264,HEVC,VP9 |
Power & Dimensions
The Radeon R9 390 draws 300W versus the Radeon RX 5600M's 150W — a 66.7% difference. The Radeon RX 5600M is more power-efficient. Recommended PSU: 750W (Radeon R9 390) vs 500W (Radeon RX 5600M). Power connectors: 6-pin + 8-pin vs PCIe-powered. Card length: 275mm vs 0mm, occupying 2 vs 0 slots. Typical load temperature: 95°C vs 90°C.
| Feature | Radeon R9 390 | Radeon RX 5600M |
|---|---|---|
| TDP | 300W | 150W-50% |
| Recommended PSU | 750W | 500W-33% |
| Power Connector | 6-pin + 8-pin | PCIe-powered |
| Length | 275mm | 0mm |
| Height | 109mm | 0mm |
| Slots | 2 | 0-100% |
| Temp (Load) | 95°C | 90°C-5% |
| Perf/Watt | 29.5 | 59.0+100% |
Value Analysis
The Radeon RX 5600M is the newer GPU (2020 vs 2015).
| Feature | Radeon R9 390 | Radeon RX 5600M |
|---|---|---|
| MSRP | $329 | — |
| Avg Price (30d) | $65 | — |
| Codename | Grenada | Navi 10 |
| Release | June 18 2015 | July 7 2020 |
| Ranking | #296 | #295 |
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