
GeForce 920MX

GeForce GT 745M
GeForce 920MX vs GeForce GT 745M 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 920MX vs GeForce GT 745M 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 920MX vs GeForce GT 745M: 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 920MX
2016Why buy it
- ✅43.8% more average FPS across 50 tracked games in our benchmark data.
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 10.6 vs 0 G3D/$ ($100 MSRP vs Unknown MSRP).
- ✅Draws 16W instead of 45W, a 29W reduction.
Trade-offs
- ❌Less VRAM, with 512 MB vs 2 GB for high-resolution textures and newer games.
- ❌2016 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
GeForce GT 745M
2013Why buy it
- ✅300% more VRAM for high-resolution textures and newer games (2 GB vs 512 MB).
Trade-offs
- ❌Lower average FPS than GeForce 920MX across 50 tracked games in our benchmark data.
- ❌2013 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌Lower G3D Mark per dollar, at 0 vs 10.6 G3D/$ (Unknown MSRP vs $100 MSRP).
- ❌181.3% higher power demand at 45W vs 16W.
Quick Answers
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GeForce 920MX vs GeForce GT 745M Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

GeForce 920MX
The GeForce 920MX is manufactured by NVIDIA. It was released in March 25 2016. It features the Maxwell architecture. The core clock ranges from 965 MHz to 993 MHz. It has 256 shading units. The thermal design power (TDP) is 16W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,064 points.

GeForce GT 745M
The GeForce GT 745M is manufactured by NVIDIA. It was released in April 1 2013. It features the Kepler architecture. The core clock speed is 549 MHz. It has 384 shading units. The thermal design power (TDP) is 45W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,081 points.
Graphics Performance
The GeForce 920MX scores 1,064 and the GeForce GT 745M reaches 1,081 in the G3D Mark benchmark — just a 1.6% difference, making them near-identical in rasterization performance. The GeForce 920MX is built on Maxwell while the GeForce GT 745M uses Kepler, both on a 28 nm process. Shader units: 256 (GeForce 920MX) vs 384 (GeForce GT 745M). Raw compute: 0.5084 TFLOPS (GeForce 920MX) vs 0.4216 TFLOPS (GeForce GT 745M).
| Feature | GeForce 920MX | GeForce GT 745M |
|---|---|---|
| G3D Mark Score | 1,064 | 1,081+2% |
| Architecture | Maxwell | Kepler |
| Process Node | 28 nm | 28 nm |
| Shading Units | 256 | 384+50% |
| Compute (TFLOPS) | 0.5084 TFLOPS+21% | 0.4216 TFLOPS |
| ROPs | 8 | 16+100% |
| TMUs | 24 | 32+33% |
| L1 Cache | 128 KB+300% | 32 KB |
| L2 Cache | 1 MB+300% | 0.25 MB |
Advanced Features (DLSS/FSR)
| Feature | GeForce 920MX | GeForce GT 745M |
|---|---|---|
| Upscaling Tech | Upscaling support | Upscaling support |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | NVIDIA Reflex | NVIDIA Reflex |
Video Memory (VRAM)
The GeForce 920MX has 512 MB of VRAM, while the GeForce GT 745M carries 2 GB. GeForce GT 745M gives you 300% 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 920MX and 64-bit on the GeForce GT 745M. L2 Cache: 1 MB (GeForce 920MX) vs 0.25 MB (GeForce GT 745M) — the GeForce 920MX has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce 920MX | GeForce GT 745M |
|---|---|---|
| VRAM Capacity | 0.5 GB | 2 GB+300% |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit+100% | 64-bit |
| L2 Cache | 1 MB+300% | 0.25 MB |
Display & API Support
DirectX support: 12 (11_0) (GeForce 920MX) vs 11.0 (GeForce GT 745M). Vulkan: 1.1 vs 1.2. OpenGL: 4.6 vs 4.2. Maximum simultaneous displays: 0 vs 1.
| Feature | GeForce 920MX | GeForce GT 745M |
|---|---|---|
| DirectX | 12 (11_0)+9% | 11.0 |
| Vulkan | 1.1 | 1.2+9% |
| OpenGL | 4.6+10% | 4.2 |
| Max Displays | 0 | 1 |
Media & Encoding
Hardware encoder: None (GeForce 920MX) vs NVENC 1.0 (GeForce GT 745M). Decoder: PureVideo HD VP6 vs PureVideo HD VP5. Supported codecs: H.264,VC-1,MPEG-2 (GeForce 920MX) vs MPEG-2,H.264,VC-1,MPEG-4 ASP,H.265 (GeForce GT 745M).
| Feature | GeForce 920MX | GeForce GT 745M |
|---|---|---|
| Encoder | None | NVENC 1.0 |
| Decoder | PureVideo HD VP6 | PureVideo HD VP5 |
| Codecs | H.264,VC-1,MPEG-2 | MPEG-2,H.264,VC-1,MPEG-4 ASP,H.265 |
Power & Dimensions
The GeForce 920MX draws 16W versus the GeForce GT 745M's 45W — a 95.1% difference. The GeForce 920MX is more power-efficient. Recommended PSU: 350W (GeForce 920MX) vs 350W (GeForce GT 745M). Power connectors: PCIe-powered vs PCIe-powered.
| Feature | GeForce 920MX | GeForce GT 745M |
|---|---|---|
| TDP | 16W-64% | 45W |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | PCIe-powered |
| Length | — | 0mm |
| Height | — | 0mm |
| Slots | — | 0 |
| Temp (Load) | — | 75°C |
| Perf/Watt | 66.5+177% | 24.0 |
Value Analysis
The newer card here is GeForce 920MX (2016 vs 2013).
| Feature | GeForce 920MX | GeForce GT 745M |
|---|---|---|
| MSRP | $100 | — |
| Codename | GM108 | GK107 |
| Release | March 25 2016 | April 1 2013 |
| Ranking | #864 | #857 |
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