
GeForce GT 520MX

GRID K120Q
GeForce GT 520MX vs GRID K120Q 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 GT 520MX vs GRID K120Q 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 GT 520MX vs GRID K120Q: 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 GT 520MX
2013Why buy it
- ✅Costs $80 less on MSRP ($45 MSRP vs $125 MSRP).
- ✅Delivers 175.9% more G3D Mark for each dollar spent, at 6.5 vs 2.3 G3D/$ ($45 MSRP vs $125 MSRP).
- ✅100% more VRAM for high-resolution textures and newer games (1 GB vs 512 MB).
- ✅Draws 50W instead of 225W, a 175W reduction.
Trade-offs
- ❌2013 hardware with 1 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
GRID K120Q
2013Why buy it
- ✅Competitive enough if your priority is price, power, or specific feature preference.
Trade-offs
- ❌Less VRAM, with 512 MB vs 1 GB for high-resolution textures and newer games.
- ❌2013 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌177.8% HIGHER MSRP$125 MSRPvs$45 MSRP
- ❌Lower G3D Mark per dollar, at 2.3 vs 6.5 G3D/$ ($125 MSRP vs $45 MSRP).
- ❌350% higher power demand at 225W vs 50W.
Quick Answers
Which GPU is faster for gaming right now?
Which GPU is the safer long-term pick for 2026 and beyond?
Which GPU is the better buy today?
GeForce GT 520MX vs GRID K120Q Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

GeForce GT 520MX
The GeForce GT 520MX is manufactured by NVIDIA. It was released in January 9 2013. It features the Kepler architecture. The core clock ranges from 941 MHz to 967 MHz. It has 384 shading units. The thermal design power (TDP) is 50W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 291 points.

GRID K120Q
The GRID K120Q is manufactured by NVIDIA. It was released in June 28 2013. It features the Kepler architecture. The core clock speed is 745 MHz. It has 1536 shading units. The thermal design power (TDP) is 225W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 293 points. Launch price was $937.
Graphics Performance
The GeForce GT 520MX scores 291 and the GRID K120Q reaches 293 in the G3D Mark benchmark — just a 0.7% difference, making them near-identical in rasterization performance. The GeForce GT 520MX is built on Kepler while the GRID K120Q uses Kepler, both on a 28 nm process. Shader units: 384 (GeForce GT 520MX) vs 1,536 (GRID K120Q). Raw compute: 0.7427 TFLOPS (GeForce GT 520MX) vs 2.289 TFLOPS (GRID K120Q).
| Feature | GeForce GT 520MX | GRID K120Q |
|---|---|---|
| G3D Mark Score | 291 | 293 |
| Architecture | Kepler | Kepler |
| Process Node | 28 nm | 28 nm |
| Shading Units | 384 | 1536+300% |
| Compute (TFLOPS) | 0.7427 TFLOPS | 2.289 TFLOPS+208% |
| ROPs | 16 | 32+100% |
| TMUs | 32 | 128+300% |
| L1 Cache | 32 KB | 128 KB+300% |
| L2 Cache | 256 KB | 512 KB+100% |
Advanced Features (DLSS/FSR)
The GeForce GT 520MX gets NVIDIA DLSS, which still tends to look cleaner in motion. The GRID K120Q leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.
| Feature | GeForce GT 520MX | GRID K120Q |
|---|---|---|
| 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 GT 520MX has 1 GB of VRAM, while the GRID K120Q carries 512 MB. GeForce GT 520MX 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 GT 520MX and 64-bit on the GRID K120Q. L2 Cache: 256 KB (GeForce GT 520MX) vs 512 KB (GRID K120Q) — the GRID K120Q has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce GT 520MX | GRID K120Q |
|---|---|---|
| VRAM Capacity | 1 GB+100% | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 128-bit+100% | 64-bit |
| L2 Cache | 256 KB | 512 KB+100% |
Display & API Support
DirectX support: 11.0 (GeForce GT 520MX) vs 12 (11_0) (GRID K120Q). Vulkan: None vs 1.2. OpenGL: 4.0 vs 4.6. Maximum simultaneous displays: 1 vs 0.
| Feature | GeForce GT 520MX | GRID K120Q |
|---|---|---|
| DirectX | 11.0 | 12 (11_0)+9% |
| Vulkan | None | 1.2 |
| OpenGL | 4.0 | 4.6+15% |
| Max Displays | 1 | 0 |
Media & Encoding
Hardware encoder: No (GeForce GT 520MX) vs NVENC 1 (GRID K120Q). Decoder: PureVideo HD VP4 vs NVDEC 1. Supported codecs: MPEG-2,H.264,VC-1,MPEG-4 ASP (GeForce GT 520MX) vs H.264,MPEG-2,VC-1 (GRID K120Q).
| Feature | GeForce GT 520MX | GRID K120Q |
|---|---|---|
| Encoder | No | NVENC 1 |
| Decoder | PureVideo HD VP4 | NVDEC 1 |
| Codecs | MPEG-2,H.264,VC-1,MPEG-4 ASP | H.264,MPEG-2,VC-1 |
Power & Dimensions
The GeForce GT 520MX draws 50W versus the GRID K120Q's 225W — a 127.3% difference. The GeForce GT 520MX is more power-efficient. Recommended PSU: 350W (GeForce GT 520MX) vs 350W (GRID K120Q). Power connectors: PCIe-powered vs PCIe-powered.
| Feature | GeForce GT 520MX | GRID K120Q |
|---|---|---|
| TDP | 50W-78% | 225W |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | PCIe-powered |
| Length | 0mm | — |
| Height | 0mm | — |
| Slots | 0 | 0 |
| Temp (Load) | 70°C | — |
| Perf/Watt | 5.8+346% | 1.3 |
Value Analysis
At launch, the GeForce GT 520MX came in at $45, while the GRID K120Q launched at $125. On MSRP, GeForce GT 520MX was 64% cheaper ($80 less). Performance per dollar on MSRP (G3D Mark / MSRP): 6.5 (GeForce GT 520MX) vs 2.3 (GRID K120Q) — the GeForce GT 520MX offers 182.6% better value.
| Feature | GeForce GT 520MX | GRID K120Q |
|---|---|---|
| MSRP | $45-64% | $125 |
| Performance per Dollar | 6.5+183% | 2.3 |
| Codename | GK107 | GK104 |
| Release | January 9 2013 | June 28 2013 |
| Ranking | #792 | #589 |
Affiliate Disclosure
ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.
Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.















