
GeForce GTX 645
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Radeon RX Vega 10 Ryzen 7 3750H
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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.
Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook
This comparison brings together gaming FPS, raw graphics performance, VRAM, feature set, power efficiency, pricing context, and long-term value so you can see which GPU actually makes more sense.
GeForce GTX 645
2010Why buy it
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 12.5 vs 0 G3D/$ ($150 MSRP vs Unknown MSRP).
- ✅100+% more VRAM for high-resolution textures and newer games (1 GB vs Unknown).
Trade-offs
- ❌Very weak future-proofing: 2010-era hardware with 1 GB of VRAM is already obsolete for modern gaming and is hard to recommend today.
- ❌1233.3% higher power demand at 200W vs 15W.
Radeon RX Vega 10 Ryzen 7 3750H
2020Why buy it
- ✅Draws 15W instead of 200W, a 185W reduction.
- ✅More future proof: Vega (2017−2020) on 7nm with a newer platform for upcoming games.
Trade-offs
- ❌Less VRAM, with Unknown vs 1 GB for high-resolution textures and newer games.
- ❌Very weak future-proofing: 2020-era hardware with Unknown of VRAM is already obsolete for modern gaming and is hard to recommend today.
- ❌Lower G3D Mark per dollar, at 0 vs 12.5 G3D/$ (Unknown MSRP vs $150 MSRP).
GeForce GTX 645
2010Radeon RX Vega 10 Ryzen 7 3750H
2020Why buy it
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 12.5 vs 0 G3D/$ ($150 MSRP vs Unknown MSRP).
- ✅100+% more VRAM for high-resolution textures and newer games (1 GB vs Unknown).
Why buy it
- ✅Draws 15W instead of 200W, a 185W reduction.
- ✅More future proof: Vega (2017−2020) on 7nm with a newer platform for upcoming games.
Trade-offs
- ❌Very weak future-proofing: 2010-era hardware with 1 GB of VRAM is already obsolete for modern gaming and is hard to recommend today.
- ❌1233.3% higher power demand at 200W vs 15W.
Trade-offs
- ❌Less VRAM, with Unknown vs 1 GB for high-resolution textures and newer games.
- ❌Very weak future-proofing: 2020-era hardware with Unknown of VRAM is already obsolete for modern gaming and is hard to recommend today.
- ❌Lower G3D Mark per dollar, at 0 vs 12.5 G3D/$ (Unknown MSRP vs $150 MSRP).
Quick Answers
So, is GeForce GTX 645 better than Radeon RX Vega 10 Ryzen 7 3750H?
Which one is more future-proof for 2026 and beyond?
Which one is the smarter buy today, not just the cheaper card?
When does Radeon RX Vega 10 Ryzen 7 3750H make more sense than GeForce GTX 645?
Games Benchmarks
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 9800X3D 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.

Path of Exile 2
| Preset | GeForce GTX 645 | Radeon RX Vega 10 Ryzen 7 3750H |
|---|---|---|
| 1080p | ||
| low | 66 FPS | 83 FPS |
| medium | 54 FPS | 67 FPS |
| high | 38 FPS | 56 FPS |
| ultra | 26 FPS | 39 FPS |
| 1440p | ||
| low | 52 FPS | 63 FPS |
| medium | 43 FPS | 50 FPS |
| high | 27 FPS | 42 FPS |
| ultra | 18 FPS | 30 FPS |
| 4K | ||
| low | 20 FPS | 27 FPS |
| medium | 19 FPS | 25 FPS |
| high | 12 FPS | 17 FPS |
| ultra | 10 FPS | 15 FPS |

Counter-Strike 2
| Preset | GeForce GTX 645 | Radeon RX Vega 10 Ryzen 7 3750H |
|---|---|---|
| 1080p | ||
| low | 85 FPS | 84 FPS |
| medium | 62 FPS | 67 FPS |
| high | 50 FPS | 54 FPS |
| ultra | 38 FPS | 36 FPS |
| 1440p | ||
| low | 49 FPS | 63 FPS |
| medium | 33 FPS | 46 FPS |
| high | 23 FPS | 34 FPS |
| ultra | 18 FPS | 25 FPS |
| 4K | ||
| low | 23 FPS | 36 FPS |
| medium | 16 FPS | 24 FPS |
| high | 12 FPS | 19 FPS |
| ultra | 9 FPS | 14 FPS |

League of Legends
| Preset | GeForce GTX 645 | Radeon RX Vega 10 Ryzen 7 3750H |
|---|---|---|
| 1080p | ||
| low | 85 FPS | 84 FPS |
| medium | 68 FPS | 67 FPS |
| high | 56 FPS | 56 FPS |
| ultra | 42 FPS | 42 FPS |
| 1440p | ||
| low | 63 FPS | 63 FPS |
| medium | 51 FPS | 50 FPS |
| high | 42 FPS | 42 FPS |
| ultra | 32 FPS | 32 FPS |
| 4K | ||
| low | 42 FPS | 42 FPS |
| medium | 34 FPS | 34 FPS |
| high | 28 FPS | 28 FPS |
| ultra | 21 FPS | 21 FPS |

Valorant
| Preset | GeForce GTX 645 | Radeon RX Vega 10 Ryzen 7 3750H |
|---|---|---|
| 1080p | ||
| low | 85 FPS | 84 FPS |
| medium | 68 FPS | 67 FPS |
| high | 56 FPS | 56 FPS |
| ultra | 42 FPS | 42 FPS |
| 1440p | ||
| low | 63 FPS | 63 FPS |
| medium | 51 FPS | 50 FPS |
| high | 42 FPS | 42 FPS |
| ultra | 32 FPS | 32 FPS |
| 4K | ||
| low | 42 FPS | 42 FPS |
| medium | 34 FPS | 34 FPS |
| high | 28 FPS | 28 FPS |
| ultra | 21 FPS | 21 FPS |
Technical Specifications
Side-by-side comparison of GeForce GTX 645 and Radeon RX Vega 10 Ryzen 7 3750H

GeForce GTX 645
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 Vega 10 Ryzen 7 3750H
Radeon RX Vega 10 Ryzen 7 3750H
The Radeon RX Vega 10 Ryzen 7 3750H is manufactured by AMD. It was released in January 7 2020. It features the Vega architecture. The boost clock speed is 2100 MHz. It has 512 shading units. The thermal design power (TDP) is 15W. Manufactured using 7 nm process technology. G3D Mark benchmark score: 1,867 points.
Graphics Performance
The GeForce GTX 645 scores 1,880 and the Radeon RX Vega 10 Ryzen 7 3750H reaches 1,867 in the G3D Mark benchmark — just a 0.7% difference, making them near-identical in rasterization performance. The GeForce GTX 645 is built on Fermi while the Radeon RX Vega 10 Ryzen 7 3750H uses Vega, both on 40 nm vs 7 nm. Shader units: 352 (GeForce GTX 645) vs 512 (Radeon RX Vega 10 Ryzen 7 3750H).
| Feature | GeForce GTX 645 | Radeon RX Vega 10 Ryzen 7 3750H |
|---|---|---|
| G3D Mark Score | 1,880 | 1,867 |
| Architecture | Fermi | Vega |
| Process Node | 40 nm | 7 nm |
| Shading Units | 352 | 512+45% |
Advanced Features (DLSS/FSR)
The GeForce GTX 645 gives access to NVIDIA DLSS (Deep Learning Super Sampling), widely regarding as the superior upscaling method for image quality. The Radeon RX Vega 10 Ryzen 7 3750H relies on FSR (FidelityFX Super Resolution), which is capable but generally slightly noisier than DLSS in motion.
| Feature | GeForce GTX 645 | Radeon RX Vega 10 Ryzen 7 3750H |
|---|---|---|
| Upscaling Tech | Upscaling support | FSR Upscaling / FSR 4 |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | NVIDIA Reflex | AMD Anti-Lag |
Video Memory (VRAM)
The GeForce GTX 645 comes with 1 GB of VRAM, while the Radeon RX Vega 10 Ryzen 7 3750H has 0 MB. The GeForce GTX 645 offers 100+% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs System.
| Feature | GeForce GTX 645 | Radeon RX Vega 10 Ryzen 7 3750H |
|---|---|---|
| VRAM Capacity | 1 GB | Shared System RAM |
| Memory Type | GDDR5 | Shared |
| Memory Bandwidth | Unknown | System |
| Bus Width | 128-bit | System |
Display & API Support
DirectX support: 11.0 (GeForce GTX 645) vs 12 (12_1) (Radeon RX Vega 10 Ryzen 7 3750H). Vulkan: 1.2 vs 1.2. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 3 vs 4.
| Feature | GeForce GTX 645 | Radeon RX Vega 10 Ryzen 7 3750H |
|---|---|---|
| DirectX | 11.0 | 12 (12_1)+9% |
| Vulkan | 1.2 | 1.2 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 3 | 4+33% |
Media & Encoding
Hardware encoder: NVENC (1st Gen) (GeForce GTX 645) vs VCN 1.0 (Radeon RX Vega 10 Ryzen 7 3750H). Decoder: PureVideo VP5 vs VCN 1.0. Supported codecs: MPEG-2,VC-1,H.264,MPEG-4 (GeForce GTX 645) vs H.264,H.265 (HEVC),VP9,MPEG-4,VC-1,MPEG-2 (Radeon RX Vega 10 Ryzen 7 3750H).
| Feature | GeForce GTX 645 | Radeon RX Vega 10 Ryzen 7 3750H |
|---|---|---|
| Encoder | NVENC (1st Gen) | VCN 1.0 |
| Decoder | PureVideo VP5 | VCN 1.0 |
| Codecs | MPEG-2,VC-1,H.264,MPEG-4 | H.264,H.265 (HEVC),VP9,MPEG-4,VC-1,MPEG-2 |
Power & Dimensions
The GeForce GTX 645 draws 200W versus the Radeon RX Vega 10 Ryzen 7 3750H's 15W — a 172.1% difference. The Radeon RX Vega 10 Ryzen 7 3750H is more power-efficient. Recommended PSU: 300W (GeForce GTX 645) vs 1W (Radeon RX Vega 10 Ryzen 7 3750H). Power connectors: None vs Integrated. Card length: 147mm vs 0mm, occupying 1 vs 0 slots. Typical load temperature: 80 vs 80.
| Feature | GeForce GTX 645 | Radeon RX Vega 10 Ryzen 7 3750H |
|---|---|---|
| TDP | 200W | 15W-93% |
| Recommended PSU | 300W | 1W-100% |
| Power Connector | None | Integrated |
| Length | 147mm | 0mm |
| Height | 111mm | 0mm |
| Slots | 1 | 0-100% |
| Temp (Load) | 80 | 80 |
| Perf/Watt | 9.4 | 124.5+1224% |
Value Analysis
The GeForce GTX 645 launched at $150 MSRP, while the Radeon RX Vega 10 Ryzen 7 3750H launched at $0. The Radeon RX Vega 10 Ryzen 7 3750H costs 100+% less ($150 savings) on MSRP. Performance per dollar on MSRP (G3D Mark / MSRP): 12.5 (GeForce GTX 645) vs Infinity (Radeon RX Vega 10 Ryzen 7 3750H) — the Radeon RX Vega 10 Ryzen 7 3750H offers Infinity% better value. The Radeon RX Vega 10 Ryzen 7 3750H is the newer GPU (2020 vs 2010).
| Feature | GeForce GTX 645 | Radeon RX Vega 10 Ryzen 7 3750H |
|---|---|---|
| MSRP | $150 | $0-100% |
| Performance per Dollar | 12.5 | Infinity |
| Codename | GF100 | Vega |
| Release | May 31 2010 | January 7 2020 |
| Ranking | #618 | #545 |
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