
Radeon RX Vega 8 vs Radeon R9 M275X / M375

Radeon RX Vega 8
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Radeon R9 M275X / M375
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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 R9 M275X / M375
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The Radeon RX Vega 8 uses modern memory architecture. The Radeon RX Vega 8 likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Radeon R9 M275X / M375 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The Radeon R9 M275X / M375 is the superior choice for raw performance. It leads with a 2.3% 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 RX Vega 8.
| Insight | Radeon RX Vega 8 | Radeon R9 M275X / M375 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-2.3%) | ✅Leading raw performance (+2.3%) |
| Longevity | 🛑Obsolete Architecture (2018 / GCN 5.0 (2017−2020)) | 🛑Obsolete Architecture (2014 / GCN 1.0 (2012−2020)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+100+%) |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | — | 📏 Compact / SFF Friendly |
💎 Value Proposition
While current pricing data is unavailable, the Radeon R9 M275X / M375 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 RX Vega 8 and Radeon R9 M275X / M375

Radeon RX Vega 8
The Radeon RX Vega 8 is manufactured by AMD. It was released in February 1 2018. It features the GCN 5.0 architecture. The core clock ranges from 720 MHz to 1190 MHz. It has 512 shading units. The thermal design power (TDP) is 15W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 1,540 points.

Radeon R9 M275X / M375
The Radeon R9 M275X / M375 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: 1,575 points.
Graphics Performance
The Radeon RX Vega 8 scores 1,540 and the Radeon R9 M275X / M375 reaches 1,575 in the G3D Mark benchmark — just a 2.3% difference, making them near-identical in rasterization performance. The Radeon RX Vega 8 is built on GCN 5.0 while the Radeon R9 M275X / M375 uses GCN 1.0, both on 14 nm vs 28 nm. Shader units: 512 (Radeon RX Vega 8) vs 640 (Radeon R9 M275X / M375). Boost clocks: 1190 MHz vs 925 MHz.
| Feature | Radeon RX Vega 8 | Radeon R9 M275X / M375 |
|---|---|---|
| G3D Mark Score | 1,540 | 1,575+2% |
| Architecture | GCN 5.0 | GCN 1.0 |
| Process Node | 14 nm | 28 nm |
| Shading Units | 512 | 640+25% |
| Boost Clock | 1190 MHz+29% | 925 MHz |
| ROPs | 8 | 16+100% |
| TMUs | 32 | 40+25% |
Advanced Features (DLSS/FSR)
| Feature | Radeon RX Vega 8 | Radeon R9 M275X / M375 |
|---|---|---|
| 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 RX Vega 8 comes with 0 MB of VRAM, while the Radeon R9 M275X / M375 has 4 GB. The Radeon R9 M275X / M375 offers 100+% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: System vs 128-bit.
| Feature | Radeon RX Vega 8 | Radeon R9 M275X / M375 |
|---|---|---|
| VRAM Capacity | Shared System RAM | 4 GB |
| Memory Type | Shared | GDDR5 |
| Memory Bandwidth | System | Unknown |
| Bus Width | System | 128-bit |
Display & API Support
DirectX support: 12 (Radeon RX Vega 8) vs 12_0 (Radeon R9 M275X / M375). Maximum simultaneous displays: 3 vs 0.
| Feature | Radeon RX Vega 8 | Radeon R9 M275X / M375 |
|---|---|---|
| DirectX | 12 | 12_0 |
| Max Displays | 3 | 0 |
Media & Encoding
Hardware encoder: VCN 1.0 (Radeon RX Vega 8) vs VCE 2.0 (Radeon R9 M275X / M375). Decoder: VCN 1.0 vs UVD 4.2.
| Feature | Radeon RX Vega 8 | Radeon R9 M275X / M375 |
|---|---|---|
| Encoder | VCN 1.0 | VCE 2.0 |
| Decoder | VCN 1.0 | UVD 4.2 |
| Codecs | H.264,HEVC,VP9 | — |
Power & Dimensions
The Radeon RX Vega 8 draws 15W versus the Radeon R9 M275X / M375's 75W — a 133.3% difference. The Radeon RX Vega 8 is more power-efficient. Recommended PSU: 1W (Radeon RX Vega 8) vs 350W (Radeon R9 M275X / M375). Power connectors: Integrated vs Mobile.
| Feature | Radeon RX Vega 8 | Radeon R9 M275X / M375 |
|---|---|---|
| TDP | 15W-80% | 75W |
| Recommended PSU | 1W-100% | 350W |
| Power Connector | Integrated | Mobile |
| Length | — | 1mm |
| Slots | — | 0 |
| Temp (Load) | 85°C | — |
| Perf/Watt | 102.7+389% | 21.0 |
Value Analysis
The Radeon RX Vega 8 launched at $0 MSRP and currently averages $0, while the Radeon R9 M275X / M375 launched at $300 and now averages $300. The Radeon RX Vega 8 costs 100+% less ($300 savings) at current market prices. Performance per dollar (G3D Mark / price): Infinity (Radeon RX Vega 8) vs 5.3 (Radeon R9 M275X / M375) — the Radeon RX Vega 8 offers Infinity% better value. The Radeon RX Vega 8 is the newer GPU (2018 vs 2014).
| Feature | Radeon RX Vega 8 | Radeon R9 M275X / M375 |
|---|---|---|
| MSRP | $0-100% | $300 |
| Avg Price (30d) | $0-100% | $300 |
| Performance per Dollar | Infinity | 5.3 |
| Codename | Vega | Venus |
| Release | February 1 2018 | January 28 2014 |
| Ranking | #372 | #746 |
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