
Radeon RX 580 2048SP vs Radeon RX 580X

Radeon RX 580 2048SP
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Radeon RX 580X
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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
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon RX 580 2048SP is the superior choice for raw performance. It leads with a 1.8% higher G3D Mark score and 100% more VRAM (16 GB vs 8 GB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon RX 580X.
| Insight | Radeon RX 580 2048SP | Radeon RX 580X |
|---|---|---|
| Performance | ✅Leading raw performance (+1.8%) | ❌Lower raw frame rates (-1.8%) |
| Longevity | 🛑Obsolete Architecture (2018 / GCN 4.0 (2016−2020)) | 🛑Obsolete Architecture (2018 / GCN 4.0 (2016−2020)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+100%) | ❌ Less VRAM capacity |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | 📏 Compact / SFF Friendly | 📏 Compact / SFF Friendly |
💎 Value Proposition
The Radeon RX 580 2048SP offers a compelling cost-to-performance ratio. Although it costs $60 (vs $60), its significant performance lead justifies the premium, offering 1.8% better value per dollar than the Radeon RX 580X.
| Insight | Radeon RX 580 2048SP | Radeon RX 580X |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+1.8%) | ❌Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 580 2048SP and Radeon RX 580X

Radeon RX 580 2048SP
The Radeon RX 580 2048SP is manufactured by AMD. It was released in October 15 2018. It features the GCN 4.0 architecture. The core clock ranges from 1168 MHz to 1284 MHz. It has 2048 shading units. The thermal design power (TDP) is 150W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 7,633 points.

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.
Graphics Performance
The Radeon RX 580 2048SP scores 7,633 and the Radeon RX 580X reaches 7,495 in the G3D Mark benchmark — just a 1.8% difference, making them near-identical in rasterization performance. The Radeon RX 580 2048SP is built on GCN 4.0 while the Radeon RX 580X uses GCN 4.0, both on a 14 nm process. Shader units: 2,048 (Radeon RX 580 2048SP) vs 2,304 (Radeon RX 580X). Raw compute: 5.259 TFLOPS (Radeon RX 580 2048SP) vs 6.175 TFLOPS (Radeon RX 580X). Boost clocks: 1284 MHz vs 1340 MHz.
| Feature | Radeon RX 580 2048SP | Radeon RX 580X |
|---|---|---|
| G3D Mark Score | 7,633+2% | 7,495 |
| Architecture | GCN 4.0 | GCN 4.0 |
| Process Node | 14 nm | 14 nm |
| Shading Units | 2048 | 2304+13% |
| Compute (TFLOPS) | 5.259 TFLOPS | 6.175 TFLOPS+17% |
| Boost Clock | 1284 MHz | 1340 MHz+4% |
| ROPs | 32 | 32 |
| TMUs | 128 | 144+13% |
| L1 Cache | 512 KB | 576 KB+13% |
| L2 Cache | 2 MB | 2 MB |
Advanced Features (DLSS/FSR)
| Feature | Radeon RX 580 2048SP | Radeon RX 580X |
|---|---|---|
| Upscaling Tech | FSR 2.1 | FSR 2.1 |
| Frame Generation | FSR 3 (Compatible) | FSR 3 (Compatible) |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | AMD Anti-Lag |
Video Memory (VRAM)
The Radeon RX 580 2048SP comes with 16 GB of VRAM, while the Radeon RX 580X has 8 GB. The Radeon RX 580 2048SP offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Memory bandwidth: 224 GB/s (Radeon RX 580 2048SP) vs 256 GB/s (Radeon RX 580X) — a 14.3% advantage for the Radeon RX 580X. Bus width: 256-bit vs 256-bit.
| Feature | Radeon RX 580 2048SP | Radeon RX 580X |
|---|---|---|
| VRAM Capacity | 16 GB+100% | 8 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | 224 GB/s | 256 GB/s+14% |
| Bus Width | 256-bit | 256-bit |
| L2 Cache | 2 MB | 2 MB |
Display & API Support
DirectX support: 12 (Radeon RX 580 2048SP) vs 12 (FL 12_0) (Radeon RX 580X). Vulkan: 1.3 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 4.
| Feature | Radeon RX 580 2048SP | Radeon RX 580X |
|---|---|---|
| DirectX | 12 | 12 (FL 12_0) |
| Vulkan | 1.3 | 1.3 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 4 | 4 |
Media & Encoding
Hardware encoder: VCE 3.4 (Radeon RX 580 2048SP) vs VCE 3.4 (Radeon RX 580X). Decoder: UVD 6.3 vs UVD 6.3. Supported codecs: H.264,HEVC,VP9 (Radeon RX 580 2048SP) vs H.264,H.265/HEVC (Radeon RX 580X).
| Feature | Radeon RX 580 2048SP | Radeon RX 580X |
|---|---|---|
| Encoder | VCE 3.4 | VCE 3.4 |
| Decoder | UVD 6.3 | UVD 6.3 |
| Codecs | H.264,HEVC,VP9 | H.264,H.265/HEVC |
Power & Dimensions
The Radeon RX 580 2048SP draws 150W versus the Radeon RX 580X's 185W — a 20.9% difference. The Radeon RX 580 2048SP is more power-efficient. Recommended PSU: 450W (Radeon RX 580 2048SP) vs 500W (Radeon RX 580X). Power connectors: 8-pin vs 8-pin. Card length: 241mm vs 241mm, occupying 2 vs 2 slots.
| Feature | Radeon RX 580 2048SP | Radeon RX 580X |
|---|---|---|
| TDP | 150W-19% | 185W |
| Recommended PSU | 450W-10% | 500W |
| Power Connector | 8-pin | 8-pin |
| Length | 241mm | 241mm |
| Height | — | 111mm |
| Slots | 2 | 2 |
| Temp (Load) | 75°C | — |
| Perf/Watt | 50.9+26% | 40.5 |
Value Analysis
The Radeon RX 580 2048SP launched at $229 MSRP and currently averages $60, while the Radeon RX 580X launched at $229 and now averages $60. Performance per dollar (G3D Mark / price): 127.2 (Radeon RX 580 2048SP) vs 124.9 (Radeon RX 580X) — the Radeon RX 580 2048SP offers 1.8% better value.
| Feature | Radeon RX 580 2048SP | Radeon RX 580X |
|---|---|---|
| MSRP | $229 | $229 |
| Avg Price (30d) | $60 | $60 |
| Performance per Dollar | 127.2+2% | 124.9 |
| Codename | Polaris 20 | Polaris 20 |
| Release | October 15 2018 | April 11 2018 |
| Ranking | #334 | #337 |
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