
Radeon RX 580X vs RadeonT 780M

Radeon RX 580X
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RadeonT 780M
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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 RadeonT 780M
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The RadeonT 780M is significantly newer (2024 vs 2018). The RadeonT 780M likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Radeon RX 580X lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The Radeon RX 580X is the superior choice for raw performance. It leads with a 5.6% higher G3D Mark score and 100% more VRAM (8 GB vs 4 GB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the RadeonT 780M.
| Insight | Radeon RX 580X | RadeonT 780M |
|---|---|---|
| Performance | ✅Leading raw performance (+5.6%) | ❌Lower raw frame rates (-5.6%) |
| Longevity | 🛑Obsolete Architecture (2018 / GCN 4.0 (2016−2020)) | RDNA 3.0 (2022−2026) (4nm) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+100%) | ❌ Less VRAM capacity |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | 📏 Compact / SFF Friendly | — |
💎 Value Proposition
While current pricing data is unavailable, the Radeon RX 580X 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 580X and RadeonT 780M

Radeon RX 580X
The Radeon RX 580X is manufactured by AMD. It was released in April 11 2018. It features the GCN 4.0 architecture. The core clock ranges from 1257 MHz to 1340 MHz. It has 2304 shading units. The thermal design power (TDP) is 185W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 7,495 points.

RadeonT 780M
The RadeonT 780M is manufactured by AMD. It was released in January 31 2024. It features the RDNA 3.0 architecture. The core clock ranges from 800 MHz to 2900 MHz. It has 768 shading units. The thermal design power (TDP) is 15W. Manufactured using 4 nm process technology. It features 12 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 7,098 points.
Graphics Performance
In G3D Mark, the Radeon RX 580X scores 7,495 versus the RadeonT 780M's 7,098 — the Radeon RX 580X leads by 5.6%. The Radeon RX 580X is built on GCN 4.0 while the RadeonT 780M uses RDNA 3.0, both on 14 nm vs 4 nm. Shader units: 2,304 (Radeon RX 580X) vs 768 (RadeonT 780M). Raw compute: 6.175 TFLOPS (Radeon RX 580X) vs 8.909 TFLOPS (RadeonT 780M). Boost clocks: 1340 MHz vs 2900 MHz.
| Feature | Radeon RX 580X | RadeonT 780M |
|---|---|---|
| G3D Mark Score | 7,495+6% | 7,098 |
| Architecture | GCN 4.0 | RDNA 3.0 |
| Process Node | 14 nm | 4 nm |
| Shading Units | 2304+200% | 768 |
| Compute (TFLOPS) | 6.175 TFLOPS | 8.909 TFLOPS+44% |
| Boost Clock | 1340 MHz | 2900 MHz+116% |
| ROPs | 32 | 32 |
| TMUs | 144+200% | 48 |
| L1 Cache | 576 KB+125% | 256 KB |
| L2 Cache | 2 MB | 2 MB |
Advanced Features (DLSS/FSR)
| Feature | Radeon RX 580X | RadeonT 780M |
|---|---|---|
| Upscaling Tech | FSR 2.1 | FSR 1.0 (Software) |
| Frame Generation | FSR 3 (Compatible) | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | AMD Anti-Lag |
Video Memory (VRAM)
The Radeon RX 580X comes with 8 GB of VRAM, while the RadeonT 780M has 4 GB. The Radeon RX 580X offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 256-bit vs 128-bit.
| Feature | Radeon RX 580X | RadeonT 780M |
|---|---|---|
| VRAM Capacity | 8 GB+100% | 4 GB |
| Memory Type | GDDR5 | GDDR6 |
| Bus Width | 256-bit+100% | 128-bit |
| L2 Cache | 2 MB | 2 MB |
Display & API Support
DirectX support: 12 (FL 12_0) (Radeon RX 580X) vs 12.2 (RadeonT 780M). Vulkan: 1.3 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 4.
| Feature | Radeon RX 580X | RadeonT 780M |
|---|---|---|
| DirectX | 12 (FL 12_0) | 12.2+2% |
| Vulkan | 1.3 | 1.3 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 4 | 4 |
Media & Encoding
Hardware encoder: VCE 3.4 (Radeon RX 580X) vs VCN 4.0 (RadeonT 780M). Decoder: UVD 6.3 vs VCN 4.0. Supported codecs: H.264,H.265/HEVC (Radeon RX 580X) vs MPEG-2,H.264,HEVC,VP9,AV1 (RadeonT 780M).
| Feature | Radeon RX 580X | RadeonT 780M |
|---|---|---|
| Encoder | VCE 3.4 | VCN 4.0 |
| Decoder | UVD 6.3 | VCN 4.0 |
| Codecs | H.264,H.265/HEVC | MPEG-2,H.264,HEVC,VP9,AV1 |
Power & Dimensions
The Radeon RX 580X draws 185W versus the RadeonT 780M's 15W — a 170% difference. The RadeonT 780M is more power-efficient. Recommended PSU: 500W (Radeon RX 580X) vs 350W (RadeonT 780M). Power connectors: 8-pin vs None. Card length: 241mm vs 0mm, occupying 2 vs 0 slots.
| Feature | Radeon RX 580X | RadeonT 780M |
|---|---|---|
| TDP | 185W | 15W-92% |
| Recommended PSU | 500W | 350W-30% |
| Power Connector | 8-pin | None |
| Length | 241mm | 0mm |
| Height | 111mm | 0mm |
| Slots | 2 | 0-100% |
| Perf/Watt | 40.5 | 473.2+1068% |
Value Analysis
The RadeonT 780M is the newer GPU (2024 vs 2018).
| Feature | Radeon RX 580X | RadeonT 780M |
|---|---|---|
| MSRP | $229 | — |
| Avg Price (30d) | $60 | — |
| Codename | Polaris 20 | Phoenix |
| Release | April 11 2018 | January 31 2024 |
| Ranking | #337 | #359 |
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