NVIDIA GeForce GT 545
NVIDIA graphics card specifications and benchmark scores
At a Glance
NVIDIANVIDIA GeForce GT 545 Specifications
GPU Core
Shader units and compute resources
The NVIDIA GeForce GT 545 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 545 Clock Speeds
GPU and memory frequencies
Clock speeds directly impact the GeForce GT 545'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 545 by NVIDIA dynamically adjusts frequencies based on workload, temperature, and power limits to maximize performance while maintaining stability.
NVIDIA's GeForce GT 545 Memory
VRAM capacity and bandwidth
VRAM (Video RAM) is dedicated memory for storing textures, frame buffers, and shader data. The GeForce GT 545'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 545 by NVIDIA Cache
On-chip cache hierarchy
On-chip cache provides ultra-fast data access for the GT 545, 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 545 Theoretical Performance
Compute and fill rates
Theoretical performance metrics provide a baseline for comparing the NVIDIA GeForce GT 545 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 545 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 545 will perform in GPU benchmarks compared to previous generations.
Power & Thermal
TDP and power requirements
Power specifications for the NVIDIA GeForce GT 545 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 545 to maintain boost clocks without throttling.
GeForce GT 545 by NVIDIA Physical & Connectivity
Dimensions and outputs
Physical dimensions of the NVIDIA GeForce GT 545 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 545. 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 545 Product Information
Release and pricing details
The NVIDIA GeForce GT 545 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 545 by NVIDIA represents good value at current market prices. Predecessor and successor information aids in tracking generational improvements and planning future upgrades.
About NVIDIA GeForce GT 545
The NVIDIA GeForce GT 545 is a Fermi 2.0 architecture graphics card from NVIDIA, built on TSMC's 40 nm process. It integrates 1,170 million transistors onto a 238 mm² die, yielding a transistor density of 4.9M per mm². The card is equipped with 144 shading units, 24 texture mapping units, and 16 ROPs, paired with 1536 MB of DDR3 memory on a 192-bit bus, providing 38.40 GB/s of bandwidth. Its Geekbench OpenCL score is 3643, placing it in the 20th percentile of all GPUs. Released on 2011-05-13, it sits between the GeForce 400 and GeForce 600 generations, and its production status is end-of-life.
Power and Cooling
The GT 545 operates with a TDP of 70 W, a modest figure that reflects its entry-level positioning. This low thermal design power allows the card to be a single-slot solution, measuring 145 mm (5.7 inches) in length. Crucially, it requires no external power connectors, drawing all necessary power from the PCIe 2.0 x16 slot. The suggested PSU rating is 250 W, making it compatible with a wide range of older power supplies. The 40 nm process node, while dated, contributes to this efficient power profile. The data indicates that the 70 W TDP is consistent with the card's compute capabilities, which include an FP32 throughput of 414.7 GFLOPS. The absence of power connectors simplifies installation, but the single-slot cooler must manage the heat from 1,170 million transistors. The pixel rate of 4.320 GPixel/s and texture rate of 17.28 GTexel/s are outputs of this power budget. Memory runs at 800 MHz, translating to 1600 Mbps effective, which further defines the card's modest bandwidth ceiling. Overall, the power characteristics are straightforward: low draw, low requirement, and easy integration into legacy systems. The 250 W PSU recommendation is a low bar, meaning most desktop power supplies from the era will suffice. The 145 mm length also ensures compatibility with compact cases, reinforcing its role as a simple drop-in upgrade for older machines.
Ray Tracing and Feature Set
The specification list reveals no RT cores and no tensor cores for the GT 545, confirming that it lacks hardware-accelerated ray tracing and any AI-based tensor processing. This places it firmly in the pre-RT era of graphics hardware. For API support, the card supports DirectX 12 (11_0) and OpenGL 4.6. The DirectX 12 (11_0) designation indicates partial modern API compatibility, but limited to the feature level of DirectX 11. Vulkan support is not listed, meaning that applications relying solely on Vulkan will not run on this hardware. The Fermi 2.0 architecture provides a baseline feature set for its time. Display outputs include 1x DVI, 1x HDMI 1.3a, and 1x VGA, which covers analog and digital connections common in the early 2010s. Without tensor cores, features like DLSS are unavailable. The absence of RT cores means no ray-traced lighting or reflections. The OpenGL 4.6 support is a notable inclusion, allowing for some modern OpenGL applications. The memory subsystem, with 1536 MB of DDR3 and a 192-bit bus, provides 38.40 GB/s of bandwidth, which is a limiting factor for high-resolution textures. The card's lack of Vulkan support is a significant gap for users seeking compatibility with modern cross-platform engines. In summary, the GT 545 offers a feature set frozen in its generation, with no path toward ray tracing or AI-accelerated workloads.
Benchmark Performance
The Geekbench OpenCL score of 3643 is the sole benchmark data point for the GT 545, and it anchors the card's performance profile. This score places the card at the 20th percentile of all GPUs, meaning that 80% of tested GPUs deliver higher performance. Examining the nearest rivals provides context. The NVIDIA GeForce GT 740M scores 3683, a deltaPct of -1.1%, indicating it is 1.1% faster than the GT 545. Similarly, the GT 735M scores 3687, with a deltaPct of -1.2%, again slightly faster. Interestingly, the NVIDIA RTX 5000 Mobile Ada Generation scores 3596, a deltaPct of 1.3%, meaning the GT 545 is actually 1.3% faster than this modern mobile workstation GPU in this specific OpenCL workload. The GeForce 825M scores 3694, with a deltaPct of -1.4%, making it the fastest in this rival group. The deltaPct values range from -1.4% to 1.3%, indicating that the GT 545's raw compute performance is tightly clustered with these mobile parts. The FP32 rating of 414.7 GFLOPS and the memory bandwidth of 38.40 GB/s help explain this score. The 144 shading units and 16 ROPs are modest, but the OpenCL test appears to favor this configuration. The 20th percentile ranking is a stark reminder of its overall age, yet the deltaPct values show it is not completely outclassed in raw compute by its listed rivals. The pixel rate of 4.320 GPixel/s and texture rate of 17.28 GTexel/s are consistent with its score. In summary, the benchmark data shows a card that performs at parity with a specific set of mobile GPUs, but its percentile ranking highlights its limitations in the broader GPU landscape. The close margins against these rivals suggest that any of these parts would deliver nearly identical frame rates in OpenCL-bound tasks, making the GT 545 a functional, if unremarkable, compute performer for its generation.
FAQ
Q: What is the launch MSRP of the NVIDIA GeForce GT 545?
A: The launch MSRP was 149 USD.
Q: Does the GT 545 include RT cores or tensor cores?
A: No. The specification list includes no RT cores and no tensor cores, meaning it lacks hardware ray tracing and AI tensor processing.
Q: What memory type and bus width does the GT 545 use?
A: It uses 1536 MB of DDR3 memory on a 192-bit bus, providing 38.40 GB/s of bandwidth.
Q: What is the recommended PSU wattage for the GT 545?
A: The suggested PSU is 250 W, and the card has a TDP of 70 W with no external power connectors required.
Q: How does the GT 545's OpenCL score compare to the GeForce 825M?
A: The GeForce 825M scores 3694, which is 1.4% higher than the GT 545's score of 3643.
Q: What display outputs are available on the GT 545?
A: It features 1x DVI, 1x HDMI 1.3a, and 1x VGA.
Who Should Consider It
The GT 545's 20th percentile ranking and OpenCL score of 3643 define its target audience. This is a card for basic desktop use, legacy system upgrades, or retro gaming builds. Given its performance parity with mobile parts like the GT 740M (3683) and GeForce 825M (3694), it is suitable for 720p gaming at low settings. At 1080p, the data suggests it would struggle, as its pixel rate of 4.320 GPixel/s and texture rate of 17.28 GTexel/s are insufficient for modern high-resolution textures. The 1536 MB DDR3 memory with 38.40 GB/s bandwidth is a bottleneck for large assets. Users who need a simple display output for office tasks, web browsing, or media playback will find the GT 545 adequate. The 1.3% performance lead over the RTX 5000 Mobile Ada Generation in this specific test is an anomaly, but it does not translate to modern workloads due to the GT 545's lack of RT and tensor cores. The card's end-of-life status and 2011 release date mean it is not a candidate for new builds. For those running legacy software that relies on DirectX 11 or OpenGL 4.6, the GT 545 remains a functional option. It is not recommended for competitive gaming or content creation, as the 20th percentile ranking places it below the vast majority of GPUs. The low power draw of 70 W and 250 W PSU requirement make it easy to slot into older machines without upgrading the power supply. Ultimately, the GT 545 is a niche product for basic compatibility and light, low-resolution tasks, best suited for users who need a reliable, low-power video output for a secondary or retro system.
Detailed benchmark scores and charts for the NVIDIA GeForce GT 545 are below.
Benchmark Scores
geekbench_openclSource
Geekbench OpenCL tests GPU compute performance using the cross-platform OpenCL API. This shows how NVIDIA GeForce GT 545 handles parallel computing tasks like video encoding and scientific simulations. OpenCL is widely supported across different GPU vendors and platforms. Higher scores benefit applications that leverage GPU acceleration for non-graphics workloads.
Top 5 Performers
Top 5 PerformersNearby Performers
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