
Radeon HD 4890 vs Radeon 540X

Radeon HD 4890
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Radeon 540X
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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 540X
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The Radeon 540X is significantly newer (2018 vs 2009). The Radeon 540X likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Radeon HD 4890 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The Radeon 540X is the superior choice for raw performance. It leads with a 2.7% higher G3D Mark score. However, the Radeon HD 4890 offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | Radeon HD 4890 | Radeon 540X |
|---|---|---|
| Performance | ❌Lower raw frame rates (-2.7%) | ✅Leading raw performance (+2.7%) |
| Longevity | 🛑Obsolete Architecture (2009 / TeraScale (2005−2013)) | 🛑Obsolete Architecture (2018 / GCN 4.0 (2016−2020)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+300%) | ❌ Less VRAM capacity |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | — | — |
💎 Value Proposition
The Radeon HD 4890 offers a compelling cost-to-performance ratio. Priced at $25 versus $40 for the Radeon 540X, it costs 38% less. While it maintains basic entry-level capabilities, this results in a 55.8% higher cost efficiency score.
| Insight | Radeon HD 4890 | Radeon 540X |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+55.8%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($25) | ⚠️Higher upfront cost ($40) |
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 HD 4890 and Radeon 540X

Radeon HD 4890
The Radeon HD 4890 is manufactured by AMD. It was released in April 2 2009. It features the TeraScale architecture. The core clock speed is 850 MHz. It has 800 shading units. The thermal design power (TDP) is 190W. Manufactured using 55 nm process technology. G3D Mark benchmark score: 1,546 points. Launch price was $249.

Radeon 540X
The Radeon 540X is manufactured by AMD. It was released in September 5 2018. It features the GCN 4.0 architecture. The core clock ranges from 980 MHz to 1046 MHz. It has 512 shading units. The thermal design power (TDP) is 50W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 1,588 points.
Graphics Performance
The Radeon HD 4890 scores 1,546 and the Radeon 540X reaches 1,588 in the G3D Mark benchmark — just a 2.7% difference, making them near-identical in rasterization performance. The Radeon HD 4890 is built on TeraScale while the Radeon 540X uses GCN 4.0, both on 55 nm vs 14 nm. Shader units: 800 (Radeon HD 4890) vs 512 (Radeon 540X). Raw compute: 1.36 TFLOPS (Radeon HD 4890) vs 1.071 TFLOPS (Radeon 540X).
| Feature | Radeon HD 4890 | Radeon 540X |
|---|---|---|
| G3D Mark Score | 1,546 | 1,588+3% |
| Architecture | TeraScale | GCN 4.0 |
| Process Node | 55 nm | 14 nm |
| Shading Units | 800+56% | 512 |
| Compute (TFLOPS) | 1.36 TFLOPS+27% | 1.071 TFLOPS |
| ROPs | 16 | 16 |
| TMUs | 40+25% | 32 |
| L1 Cache | 160 KB+25% | 128 KB |
| L2 Cache | 256 KB | 512 KB+100% |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 4890 | Radeon 540X |
|---|---|---|
| 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 HD 4890 comes with 2 GB of VRAM, while the Radeon 540X has 512 MB. The Radeon HD 4890 offers 300% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 64-bit vs 64-bit. L2 Cache: 256 KB (Radeon HD 4890) vs 512 KB (Radeon 540X) — the Radeon 540X has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 4890 | Radeon 540X |
|---|---|---|
| VRAM Capacity | 2 GB+300% | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 64-bit | 64-bit |
| L2 Cache | 256 KB | 512 KB+100% |
Media & Encoding
Supported codecs: H.264 (Radeon HD 4890) vs H.264,MPEG-2,MPEG-4,VC-1 (Radeon 540X).
| Feature | Radeon HD 4890 | Radeon 540X |
|---|---|---|
| Encoder | — | UVD |
| Decoder | — | VCE |
| Codecs | H.264 | H.264,MPEG-2,MPEG-4,VC-1 |
Power & Dimensions
The Radeon HD 4890 draws 190W versus the Radeon 540X's 50W — a 116.7% difference. The Radeon 540X is more power-efficient. Recommended PSU: 500W (Radeon HD 4890) vs 350W (Radeon 540X). Power connectors: 2x 6-pin vs PCIe-powered.
| Feature | Radeon HD 4890 | Radeon 540X |
|---|---|---|
| TDP | 190W | 50W-74% |
| Recommended PSU | 500W | 350W-30% |
| Power Connector | 2x 6-pin | PCIe-powered |
| Length | — | 0mm |
| Height | — | 0mm |
| Slots | — | 0 |
| Temp (Load) | — | 75°C |
| Perf/Watt | 8.1 | 31.8+293% |
Value Analysis
The Radeon HD 4890 launched at $249 MSRP and currently averages $25, while the Radeon 540X launched at $99 and now averages $40. The Radeon HD 4890 costs 37.5% less ($15 savings) at current market prices. Performance per dollar (G3D Mark / price): 61.8 (Radeon HD 4890) vs 39.7 (Radeon 540X) — the Radeon HD 4890 offers 55.7% better value. The Radeon 540X is the newer GPU (2018 vs 2009).
| Feature | Radeon HD 4890 | Radeon 540X |
|---|---|---|
| MSRP | $249 | $99-60% |
| Avg Price (30d) | $25-38% | $40 |
| Performance per Dollar | 61.8+56% | 39.7 |
| Codename | RV790 | Lexa |
| Release | April 2 2009 | September 5 2018 |
| Ranking | #762 | #754 |
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