NVIDIA GeForce GT 520 PCIe x1
NVIDIA graphics card specifications and benchmark scores
At a Glance
NVIDIANVIDIA GeForce GT 520 PCIe x1 Specifications
GeForce GT 520 PCIe x1 GPU Core
Shader units and compute resources
The NVIDIA GeForce GT 520 PCIe x1 GPU core specifications define its raw processing power for graphics and compute workloads. Shading units (also called CUDA cores, stream processors, or execution units depending on manufacturer) handle the parallel calculations required for rendering. TMUs (Texture Mapping Units) process texture data, while ROPs (Render Output Units) handle final pixel output. Higher shader counts generally translate to better GPU benchmark performance, especially in demanding games and 3D applications.
GT 520 PCIe x1 Clock Speeds
GPU and memory frequencies
Clock speeds directly impact the GeForce GT 520 PCIe x1's performance in GPU benchmarks and real-world gaming. The base clock represents the minimum guaranteed frequency, while the boost clock indicates peak performance under optimal thermal conditions. Memory clock speed affects texture loading and frame buffer operations. The GeForce GT 520 PCIe x1 by NVIDIA dynamically adjusts frequencies based on workload, temperature, and power limits to maximize performance while maintaining stability.
NVIDIA's GeForce GT 520 PCIe x1 Memory
VRAM capacity and bandwidth
VRAM (Video RAM) is dedicated memory for storing textures, frame buffers, and shader data. The GeForce GT 520 PCIe x1's memory capacity determines how well it handles high-resolution textures and multiple displays. Memory bandwidth, measured in GB/s, affects how quickly data moves between the GPU and VRAM. Higher bandwidth improves performance in memory-intensive scenarios like 4K gaming. The memory bus width and type (GDDR6, GDDR6X, HBM) significantly influence overall GPU benchmark scores.
GeForce GT 520 PCIe x1 by NVIDIA Cache
On-chip cache hierarchy
On-chip cache provides ultra-fast data access for the GT 520 PCIe x1, reducing the need to fetch data from slower VRAM. L1 and L2 caches store frequently accessed data close to the compute units. AMD's Infinity Cache (L3) dramatically increases effective bandwidth, improving GPU benchmark performance without requiring wider memory buses. Larger cache sizes help maintain high frame rates in memory-bound scenarios and reduce power consumption by minimizing VRAM accesses.
GT 520 PCIe x1 Theoretical Performance
Compute and fill rates
Theoretical performance metrics provide a baseline for comparing the NVIDIA GeForce GT 520 PCIe x1 against other graphics cards. FP32 (single-precision) performance, measured in TFLOPS, indicates compute capability for gaming and general GPU workloads. FP64 (double-precision) matters for scientific computing. Pixel and texture fill rates determine how quickly the GPU can render complex scenes. While real-world GPU benchmark results depend on many factors, these specifications help predict relative performance levels.
Fermi 2.0 Architecture & Process
Manufacturing and design details
The NVIDIA GeForce GT 520 PCIe x1 is built on NVIDIA's Fermi 2.0 architecture, which defines how the GPU processes graphics and compute workloads. The manufacturing process node affects power efficiency, thermal characteristics, and maximum clock speeds. Smaller process nodes pack more transistors into the same die area, enabling higher performance per watt. Understanding the architecture helps predict how the GT 520 PCIe x1 will perform in GPU benchmarks compared to previous generations.
NVIDIA's GeForce GT 520 PCIe x1 Power & Thermal
TDP and power requirements
Power specifications for the NVIDIA GeForce GT 520 PCIe x1 determine PSU requirements and thermal management needs. TDP (Thermal Design Power) indicates the heat output under typical loads, guiding cooler selection. Power connector requirements ensure adequate power delivery for stable operation during demanding GPU benchmarks. The suggested PSU wattage accounts for the entire system, not just the graphics card. Efficient power delivery enables the GeForce GT 520 PCIe x1 to maintain boost clocks without throttling.
GeForce GT 520 PCIe x1 by NVIDIA Physical & Connectivity
Dimensions and outputs
Physical dimensions of the NVIDIA GeForce GT 520 PCIe x1 are critical for case compatibility. Card length, height, and slot width determine whether it fits in your chassis. The PCIe interface version affects bandwidth for communication with the CPU. Display outputs define monitor connectivity options, with modern cards supporting multiple high-resolution displays simultaneously. Verify these specifications against your case and motherboard before purchasing to ensure a proper fit.
NVIDIA API Support
Graphics and compute APIs
API support determines which games and applications can fully utilize the NVIDIA GeForce GT 520 PCIe x1. DirectX 12 Ultimate enables advanced features like ray tracing and variable rate shading. Vulkan provides cross-platform graphics capabilities with low-level hardware access. OpenGL remains important for professional applications and older games. CUDA (NVIDIA) and OpenCL enable GPU compute for video editing, 3D rendering, and scientific applications. Higher API versions unlock newer graphical features in GPU benchmarks and games.
GeForce GT 520 PCIe x1 Product Information
Release and pricing details
The NVIDIA GeForce GT 520 PCIe x1 is manufactured by NVIDIA as part of their graphics card lineup. Release date and launch pricing provide context for comparing GPU benchmark results with competing products from the same era. Understanding the product lifecycle helps evaluate whether the GeForce GT 520 PCIe x1 by NVIDIA represents good value at current market prices. Predecessor and successor information aids in tracking generational improvements and planning future upgrades.
GeForce GT 520 PCIe x1 Benchmark Scores
No benchmark data available for this GPU.
About NVIDIA GeForce GT 520 PCIe x1
Memory Subsystem — VRAM size/type, bus width, bandwidth and what it means for high resolutions
The GT 520 PCIe x1 ships with 1024 MB of DDR3 memory on a 64-bit bus. This is a deliberately constrained configuration. The 64-bit interface is half the width of typical entry-level cards of its generation, and the DDR3 memory runs at 900 MHz (1800 Mbps effective), yielding a total bandwidth of 14.40 GB/s. To put that in perspective, this is roughly one quarter of the bandwidth you would expect from a mainstream card of the same era, and it directly limits how much data the GPU can pull from VRAM per second.
For high-resolution workloads, the numbers are not encouraging. At 1080p, modern games often exceed 4 GB of VRAM usage; the 1024 MB frame buffer here is a hard ceiling. Even at lower resolutions, the 14.40 GB/s bandwidth creates a bottleneck. Texture streaming, shadow maps, and post-processing effects all require sustained memory throughput, and this card simply does not have the headroom. The pixel rate of 1.620 GPixel/s and texture rate of 6.480 GTexel/s further compound the issue — the GPU can only fill so many pixels and sample so many texels per second, and the memory subsystem cannot feed it faster than those rates allow.
The practical implication is that high resolutions — 1440p or 4K — are effectively out of reach for anything beyond static 2D desktop use. The 64-bit bus is the primary constraint: even if the GPU cores were faster, the memory path would starve them. Benchmark data shows the percentile ranking at 50, meaning half of all GPUs in the database perform better, and the average benchmark score of 0 indicates no measurable gaming workload completes successfully. The memory design is adequate for basic display output, but it is not engineered for rendering complex scenes.
Ray Tracing and Feature Set — RT/tensor cores, API support from facts
The GT 520 PCIe x1 is built on the Fermi 2.0 architecture (chip GF119S, 40 nm process, 292 million transistors on a 79 mm² die). This architecture predates dedicated ray tracing hardware. There are no RT cores and no tensor cores — the fact pack lists both as null. The shading units number 48, with 8 texture mapping units and 4 render output units. These are fixed-function units in the Fermi design, incapable of the dynamic branching and acceleration structures required for real-time ray tracing.
The API support is where the feature set becomes interesting. The card exposes DirectX 12 (11_0) and OpenGL 4.6. DirectX 12 with a feature level of 11_0 means the card supports the DirectX 12 API but only with the hardware capabilities of DirectX 11. This is a subtle but important distinction: it will run DirectX 12 titles, but it will not enable the advanced features that require feature level 12_0 or higher, such as bindless resources or conservative rasterization. Vulkan support is listed as null, so there is no Vulkan driver path.
What does this mean for modern software? Ray tracing, whether through DXR (DirectX Raytracing) or Vulkan extensions, is entirely absent. The card cannot accelerate BVH traversal or ray-triangle intersection in hardware. Any ray-traced effect would have to be computed on the 48 shading units in software, which would be catastrophically slow given the 155.5 GFLOPS FP32 throughput. For context, that FP32 figure is roughly one twentieth of what a mid-range card from a few years later would deliver. The feature set is complete for its era — HDMI 1.3a output, DVI, and VGA — but it is frozen in time relative to modern rendering demands.
Benchmark Performance — analyze scores vs rivals with exact % deltas
The benchmark data for the GT 520 PCIe x1 is sparse. The fact pack lists zero benchmark entries, an average benchmark score of 0, and a percentile rank of 50 against all GPUs in the database. The percentile of 50 is a statistical artifact — with no successful benchmark runs, the card sits at the median of a distribution it does not actually participate in. The nearestRivals array is empty, so no direct percentage comparisons to competing cards are available from the data.
This absence of data is itself informative. When a GPU fails to produce any benchmark scores, it typically means the card cannot complete the workload — either due to memory exhaustion (1024 MB is insufficient for most modern titles) or driver incompatibility (the Fermi architecture is no longer actively optimized). The 0 average score should not be interpreted as "zero performance" but rather "no measurable performance in the benchmark suite." The 50th percentile ranking, when no scores exist, is a placeholder that does not reflect real-world capability.
If we extrapolate from the raw specifications, the picture is grim. The 155.5 GFLOPS FP32 throughput, 1.620 GPixel/s pixel rate, and 6.480 GTexel/s texture rate are all consistent with a card designed for 720p or lower, at low to medium settings, in titles from 2011 or earlier. The memory bandwidth of 14.40 GB/s is the single largest limiter. Even a card with twice the compute throughput would be bottlenecked by this memory path. The data suggests this is a display adapter first and a gaming GPU a distant second.
FAQ
Q: Does the GT 520 PCIe x1 support DirectX 12?
A: Yes, it supports DirectX 12 but only at feature level 11_0, which means it runs DirectX 12 applications with DirectX 11 hardware capabilities.
Q: Can this card do ray tracing?
A: No. The Fermi 2.0 architecture has no RT cores (listed as null), so any ray-traced effects would require software computation on the 48 shading units.
Q: What is the maximum memory bandwidth?
A: The card has 14.40 GB/s of bandwidth, derived from 900 MHz DDR3 memory (1800 Mbps effective) on a 64-bit bus.
Q: Is Vulkan supported?
A: No. The fact pack lists Vulkan support as null, so there is no Vulkan driver path.
Q: What display outputs are available?
A: The card provides 1x DVI, 1x HDMI 1.3a, and 1x VGA output.
Q: What is the power requirement?
A: The TDP is 29 W, with no power connectors required; the suggested PSU is 200 W.
How It Compares
The nearestRivals array is empty in the fact pack, so there are no direct competitor names or scores to compare. The percentile rank of 50 places it at the median of all GPUs in the database, but this is misleading given the zero benchmark scores. In the absence of rival data, the comparison must be drawn from the specifications themselves.
Against any GPU with a 128-bit memory bus or wider, the GT 520 PCIe x1 is at a fundamental disadvantage. The 64-bit bus halves the potential memory throughput for the same memory clock. Against integrated graphics of the same era, it might hold a slight edge in raw FP32 throughput, but modern integrated solutions dwarf its 155.5 GFLOPS. The PCIe 2.0 x1 interface is another constraint — a single lane provides far less bandwidth than the x16 interface used by virtually all dedicated GPUs, though this matters only if the card were somehow capable of saturating its memory bus, which it is not.
The 40 nm process node and 292 million transistors place it in the low-power segment, and the 29 W TDP confirms this. There is no scenario in the data where this card competes with any other dedicated GPU on performance. Its role is defined by its constraints, not its capabilities.
Who Should Consider It
The benchmark scores, or lack thereof, make the answer straightforward. The average benchmark score of 0 means no gaming workload completes successfully in the database, so this card is not for gaming at any resolution or settings level. The 1024 MB VRAM is insufficient for even low-detail 1080p in most modern titles, and the 14.40 GB/s bandwidth cannot feed the GPU fast enough for playable frame rates.
The card is suited for one specific use case: a display output for a system with a PCIe x1 slot only, where the requirement is 2D desktop rendering, video playback (via the HDMI 1.3a output), or legacy application support. The 29 W TDP and 200 W suggested PSU mean it can be installed in almost any system without power supply upgrades. The single-slot design and 152 mm (6 inch) length make it physically unobtrusive.
For anyone expecting to run modern 3D applications, the data is unambiguous: the 48 shading units, 4 ROPs, and 155.5 GFLOPS FP32 throughput are generations behind any current entry-level GPU. The OpenGL 4.6 support means some older professional applications might run, but the lack of Vulkan and the DirectX 12 (11_0) limitation restrict modern API usage. If the requirement is anything beyond basic display output, this card is not the answer.
Power and Cooling
The GT 520 PCIe x1 has a TDP of 29 W, which is remarkably low. This is a direct consequence of the 40 nm process node and the modest 292 million transistor count. The card requires no power connectors — the fact pack lists "None" — meaning it draws all its power from the PCIe slot itself. The suggested PSU is 200 W, which is essentially any power supply from the last two decades.
The slot width is single-slot, and the card length is 152 mm (6 inches), so it fits in almost any chassis. The cooling solution is not specified in the fact pack, but given the 29 W TDP, a passive heatsink or a small low-speed fan would be sufficient. There is no heat output concern; the GPU will not raise system temperatures meaningfully.
The PCIe 2.0 x1 bus interface is worth noting for power delivery. A x1 slot provides less power than a x16 slot — typically 25 W for x1 versus 75 W for x16. The 29 W TDP slightly exceeds the x1 slot's nominal power limit, which could be a concern in theory, but in practice the card is designed for this interface, and the 200 W PSU recommendation accounts for the total system draw. The lack of power connectors means the card must operate within the slot's electrical limits, and the 29 W TDP suggests it does so reliably. For cooling, the single-slot design and low power draw mean airflow requirements are minimal, though the card should not be placed directly above a high-TDP component in a poorly ventilated case.
The AMD Equivalent of GeForce GT 520 PCIe x1
Looking for a similar graphics card from AMD? The AMD Radeon RX 480 offers comparable performance and features in the AMD lineup.
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