GeForce GTX 645 vs Radeon RX 570X
GeForce GTX 645
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Radeon RX 570X
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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
⚠️ Generational Difference
The Radeon RX 570X is significantly newer (2018 vs 2010). The Radeon RX 570X likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The GeForce GTX 645 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The Radeon RX 570X is the superior choice for raw performance. It leads with a 2.3% higher G3D Mark score and 700% more VRAM (8 GB vs 1 GB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GeForce GTX 645.
| Insight | GeForce GTX 645 | Radeon RX 570X |
|---|---|---|
| Performance | ❌Lower raw frame rates (-2.3%) | ✅Leading raw performance (+2.3%) |
| Longevity | 🛑Obsolete Architecture (2010 / Fermi (2010−2014)) | 🛑Obsolete Architecture (2018 / GCN 4.0 (2016−2020)) |
| Ecosystem | Supports FSR Upscaling | ✨ FSR 3 / AFMF Support |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+700%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | 📏 Compact / SFF Friendly | 📏 Compact / SFF Friendly |
💎 Value Proposition
The GeForce GTX 645 offers a compelling cost-to-performance ratio. Priced at $20 versus $169 for the Radeon RX 570X, it costs 88% less. While it maintains basic entry-level capabilities, this results in a 726.1% higher cost efficiency score.
| Insight | GeForce GTX 645 | Radeon RX 570X |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+726.1%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($20) | ⚠️Higher upfront cost ($169) |
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 GeForce GTX 645 and Radeon RX 570X
GeForce GTX 645
The GeForce GTX 645 is manufactured by NVIDIA. It was released in May 31 2010. It features the Fermi architecture. The core clock speed is 607 MHz. It has 352 shading units. The thermal design power (TDP) is 200W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 1,880 points. Launch price was $279.
Radeon RX 570X
The Radeon RX 570X is manufactured by AMD. It was released in April 11 2018. It features the GCN 4.0 architecture. The core clock ranges from 1168 MHz to 1244 MHz. It has 2048 shading units. The thermal design power (TDP) is 120W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 1,923 points.
Graphics Performance
The GeForce GTX 645 scores 1,880 and the Radeon RX 570X reaches 1,923 in the G3D Mark benchmark — just a 2.3% difference, making them near-identical in rasterization performance. The GeForce GTX 645 is built on Fermi while the Radeon RX 570X uses GCN 4.0, both on 40 nm vs 14 nm. Shader units: 352 (GeForce GTX 645) vs 2,048 (Radeon RX 570X). Raw compute: 0.8554 TFLOPS (GeForce GTX 645) vs 5.095 TFLOPS (Radeon RX 570X).
| Feature | GeForce GTX 645 | Radeon RX 570X |
|---|---|---|
| G3D Mark Score | 1,880 | 1,923+2% |
| Architecture | Fermi | GCN 4.0 |
| Process Node | 40 nm | 14 nm |
| Shading Units | 352 | 2048+482% |
| Compute (TFLOPS) | 0.8554 TFLOPS | 5.095 TFLOPS+496% |
| ROPs | 32 | 32 |
| TMUs | 44 | 128+191% |
| L1 Cache | 704 KB+38% | 512 KB |
| L2 Cache | 0.5 MB | 2 MB+300% |
Advanced Features (DLSS/FSR)
| Feature | GeForce GTX 645 | Radeon RX 570X |
|---|---|---|
| Upscaling Tech | FSR 2.1 (Compatible) | FSR 2.1 |
| Frame Generation | FSR 3 (Compatible) | FSR 3 (Compatible) |
| Ray Reconstruction | No | No |
| Low Latency | Standard | AMD Anti-Lag |
Video Memory (VRAM)
The GeForce GTX 645 comes with 1 GB of VRAM, while the Radeon RX 570X has 8 GB. The Radeon RX 570X offers 700% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit. L2 Cache: 0.5 MB (GeForce GTX 645) vs 2 MB (Radeon RX 570X) — the Radeon RX 570X has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce GTX 645 | Radeon RX 570X |
|---|---|---|
| VRAM Capacity | 1 GB | 8 GB+700% |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 0.5 MB | 2 MB+300% |
Display & API Support
DirectX support: 11.0 (GeForce GTX 645) vs 12_0 (Radeon RX 570X). Maximum simultaneous displays: 3 vs 5.
| Feature | GeForce GTX 645 | Radeon RX 570X |
|---|---|---|
| DirectX | 11.0 | 12_0+9% |
| Max Displays | 3 | 5+67% |
Media & Encoding
Hardware encoder: NVENC (1st Gen) (GeForce GTX 645) vs VCE 3.4 (Radeon RX 570X). Decoder: PureVideo VP5 vs UVD 6.3.
| Feature | GeForce GTX 645 | Radeon RX 570X |
|---|---|---|
| Encoder | NVENC (1st Gen) | VCE 3.4 |
| Decoder | PureVideo VP5 | UVD 6.3 |
| Codecs | MPEG-2,VC-1,H.264,MPEG-4 | — |
Power & Dimensions
The GeForce GTX 645 draws 200W versus the Radeon RX 570X's 120W — a 50% difference. The Radeon RX 570X is more power-efficient. Recommended PSU: 300W (GeForce GTX 645) vs 450W (Radeon RX 570X). Power connectors: None vs None. Card length: 147mm vs 241mm, occupying 1 vs 2 slots.
| Feature | GeForce GTX 645 | Radeon RX 570X |
|---|---|---|
| TDP | 200W | 120W-40% |
| Recommended PSU | 300W-33% | 450W |
| Power Connector | None | None |
| Length | 147mm | 241mm |
| Height | 111mm | — |
| Slots | 1-50% | 2 |
| Temp (Load) | 80 | — |
| Perf/Watt | 9.4 | 16.0+70% |
Value Analysis
The GeForce GTX 645 launched at $150 MSRP and currently averages $20, while the Radeon RX 570X launched at $169 and now averages $169. The GeForce GTX 645 costs 88.2% less ($149 savings) at current market prices. Performance per dollar (G3D Mark / price): 94.0 (GeForce GTX 645) vs 11.4 (Radeon RX 570X) — the GeForce GTX 645 offers 724.6% better value. The Radeon RX 570X is the newer GPU (2018 vs 2010).
| Feature | GeForce GTX 645 | Radeon RX 570X |
|---|---|---|
| MSRP | $150-11% | $169 |
| Avg Price (30d) | $20-88% | $169 |
| Performance per Dollar | 94.0+725% | 11.4 |
| Codename | GF100 | Polaris 20 |
| Release | May 31 2010 | April 11 2018 |
| Ranking | #618 | #693 |
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