
GeForce GTX 645

Radeon RX Vega 10 Ryzen 7 3750H
GeForce GTX 645 vs Radeon RX Vega 10 Ryzen 7 3750H Performance Spectrum
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.
GeForce GTX 645 vs Radeon RX Vega 10 Ryzen 7 3750H FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with Ryzen 7 9800X3D to isolate GPU performance.
Search any supported game below to compare 1080p FPS for both components.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
GeForce GTX 645 vs Radeon RX Vega 10 Ryzen 7 3750H: Pros, Cons & Final Verdict
See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.
GeForce GTX 645
2010Why buy it
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 12.5 vs 0 G3D/$ ($150 MSRP vs Unknown MSRP).
- ✅100+% more VRAM for high-resolution textures and newer games (1 GB vs Unknown).
Trade-offs
- ❌Lower average FPS than Radeon RX Vega 10 Ryzen 7 3750H across 50 tracked games in our benchmark data.
- ❌2010 hardware with 1 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌1233.3% higher power demand at 200W vs 15W.
Radeon RX Vega 10 Ryzen 7 3750H
2020Why buy it
- ✅14.3% more average FPS across 50 tracked games in our benchmark data.
- ✅Draws 15W instead of 200W, a 185W reduction.
- ✅More future proof: Vega (2017−2020) on 7nm with a newer platform for upcoming games.
Trade-offs
- ❌Less VRAM, with Unknown vs 1 GB for high-resolution textures and newer games.
- ❌2020 hardware with Unknown of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌Lower G3D Mark per dollar, at 0 vs 12.5 G3D/$ (Unknown MSRP vs $150 MSRP).
Quick Answers
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GeForce GTX 645 vs Radeon RX Vega 10 Ryzen 7 3750H Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

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
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 gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon RX Vega 10 Ryzen 7 3750H leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.
| 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 has 1 GB of VRAM, while the Radeon RX Vega 10 Ryzen 7 3750H carries 0 MB. GeForce GTX 645 gives you 100+% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 128-bit on the GeForce GTX 645 and System on the Radeon RX Vega 10 Ryzen 7 3750H.
| 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
At launch, the GeForce GTX 645 came in at $150, while the Radeon RX Vega 10 Ryzen 7 3750H launched at $0. On MSRP, Radeon RX Vega 10 Ryzen 7 3750H was 100+% cheaper ($150 less). 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 newer card here is Radeon RX Vega 10 Ryzen 7 3750H (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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