GeForce GTX 645
Intel UHD Graphics 770
GeForce GTX 645 vs Intel UHD Graphics 770 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 Intel UHD Graphics 770 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
GeForce GTX 645 vs Intel UHD Graphics 770: 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/$ ($150 MSRP vs Unknown MSRP).
- ✅100+% more VRAM for high-resolution textures and newer games (1 GB vs Unknown).
Trade-offs
- ❌2010 hardware with 1 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌1233.3% higher power demand at 200W vs 15W.
Intel UHD Graphics 770
2022Why buy it
- ✅GeForce GTX 645 is already obsolete for modern gaming, so Intel UHD Graphics 770 is the less risky modern option long term.
- ✅Draws 15W instead of 200W, a 185W reduction.
- ✅More future proof: Generation 12.2 (2022−2023) on 10nm with a newer platform for upcoming games.
Trade-offs
- ❌Less VRAM, with Unknown vs 1 GB for high-resolution textures and newer games.
- ❌2022 hardware with Unknown of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌Lower G3D Mark per dollar, at 0 vs 12.5 G3D/$ (Unknown MSRP vs $150 MSRP).
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GeForce GTX 645 vs Intel UHD Graphics 770 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.
Intel UHD Graphics 770
The Intel UHD Graphics 770 is manufactured by Intel. It was released in September 27 2022. It features the Generation 12.2 architecture. The core clock ranges from 300 MHz to 1650 MHz. It has 256 shading units. The thermal design power (TDP) is 15W. Manufactured using 10 nm process technology. G3D Mark benchmark score: 1,914 points.
Graphics Performance
The GeForce GTX 645 scores 1,880 and the Intel UHD Graphics 770 reaches 1,914 in the G3D Mark benchmark — just a 1.8% difference, making them near-identical in rasterization performance. The GeForce GTX 645 is built on Fermi while the Intel UHD Graphics 770 uses Generation 12.2, both on 40 nm vs 10 nm. Shader units: 352 (GeForce GTX 645) vs 256 (Intel UHD Graphics 770). Raw compute: 0.8554 TFLOPS (GeForce GTX 645) vs 0.8448 TFLOPS (Intel UHD Graphics 770).
| Feature | GeForce GTX 645 | Intel UHD Graphics 770 |
|---|---|---|
| G3D Mark Score | 1,880 | 1,914+2% |
| Architecture | Fermi | Generation 12.2 |
| Process Node | 40 nm | 10 nm |
| Shading Units | 352+38% | 256 |
| Compute (TFLOPS) | 0.8554 TFLOPS+1% | 0.8448 TFLOPS |
| ROPs | 32+300% | 8 |
| TMUs | 44+175% | 16 |
Advanced Features (DLSS/FSR)
The GeForce GTX 645 gets NVIDIA DLSS, which still tends to look cleaner in motion. The Intel UHD Graphics 770 leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.
| Feature | GeForce GTX 645 | Intel UHD Graphics 770 |
|---|---|---|
| Upscaling Tech | Upscaling support | Upscaling support |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | NVIDIA Reflex | Standard |
Video Memory (VRAM)
The GeForce GTX 645 has 1 GB of VRAM, while the Intel UHD Graphics 770 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 Intel UHD Graphics 770.
| Feature | GeForce GTX 645 | Intel UHD Graphics 770 |
|---|---|---|
| VRAM Capacity | 1 GB | Shared System RAM |
| Memory Type | GDDR5 | Shared |
| Memory Bandwidth | Unknown | System |
| Bus Width | 128-bit | System |
Power & Dimensions
The GeForce GTX 645 draws 200W versus the Intel UHD Graphics 770's 15W — a 172.1% difference. The Intel UHD Graphics 770 is more power-efficient. Recommended PSU: 300W (GeForce GTX 645) vs 1W (Intel UHD Graphics 770). Power connectors: None vs Integrated.
| Feature | GeForce GTX 645 | Intel UHD Graphics 770 |
|---|---|---|
| TDP | 200W | 15W-93% |
| Recommended PSU | 300W | 1W-100% |
| Power Connector | None | Integrated |
| Length | 147mm | — |
| Height | 111mm | — |
| Slots | 1 | — |
| Temp (Load) | 80 | — |
| Perf/Watt | 9.4 | 127.6+1257% |
Value Analysis
At launch, the GeForce GTX 645 came in at $150, while the Intel UHD Graphics 770 launched at $0. On MSRP, Intel UHD Graphics 770 was 100+% cheaper ($150 less). Performance per dollar on MSRP (G3D Mark / MSRP): 12.5 (GeForce GTX 645) vs Infinity (Intel UHD Graphics 770) — the Intel UHD Graphics 770 offers Infinity% better value. The newer card here is Intel UHD Graphics 770 (2022 vs 2010).
| Feature | GeForce GTX 645 | Intel UHD Graphics 770 |
|---|---|---|
| MSRP | $150 | $0-100% |
| Performance per Dollar | 12.5 | Infinity |
| Codename | GF100 | Raptor Lake GT1 |
| Release | May 31 2010 | September 27 2022 |
| Ranking | #618 | #644 |
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