NVIDIA GeForce GT 630
NVIDIA graphics card specifications and benchmark scores
At a Glance
NVIDIANVIDIA GeForce GT 630 Specifications
GeForce GT 630 GPU Core
Shader units and compute resources
The NVIDIA GeForce GT 630 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 630 Clock Speeds
GPU and memory frequencies
Clock speeds directly impact the GeForce GT 630'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 630 by NVIDIA dynamically adjusts frequencies based on workload, temperature, and power limits to maximize performance while maintaining stability.
NVIDIA's GeForce GT 630 Memory
VRAM capacity and bandwidth
VRAM (Video RAM) is dedicated memory for storing textures, frame buffers, and shader data. The GeForce GT 630'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 630 by NVIDIA Cache
On-chip cache hierarchy
On-chip cache provides ultra-fast data access for the GT 630, 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 630 Theoretical Performance
Compute and fill rates
Theoretical performance metrics provide a baseline for comparing the NVIDIA GeForce GT 630 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 Architecture & Process
Manufacturing and design details
The NVIDIA GeForce GT 630 is built on NVIDIA's Fermi 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 630 will perform in GPU benchmarks compared to previous generations.
NVIDIA's GeForce GT 630 Power & Thermal
TDP and power requirements
Power specifications for the NVIDIA GeForce GT 630 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 630 to maintain boost clocks without throttling.
GeForce GT 630 by NVIDIA Physical & Connectivity
Dimensions and outputs
Physical dimensions of the NVIDIA GeForce GT 630 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 630. 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 630 Product Information
Release and pricing details
The NVIDIA GeForce GT 630 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 630 by NVIDIA represents good value at current market prices. Predecessor and successor information aids in tracking generational improvements and planning future upgrades.
GeForce GT 630 Benchmark Scores
geekbench_metalSource
Geekbench Metal tests GPU compute using Apple's Metal API. This shows how NVIDIA GeForce GT 630 performs in macOS and iOS applications that leverage GPU acceleration. Metal provides low-overhead access to Apple silicon GPUs.
Top 5 Performers
Top 5 PerformersNearby Performers
Nearby Performersgeekbench_openclSource
Geekbench OpenCL tests GPU compute performance using the cross-platform OpenCL API. This shows how NVIDIA GeForce GT 630 handles parallel computing tasks like video encoding and scientific simulations.
Top 5 Performers
Nearby Performers
geekbench_vulkanSource
Geekbench Vulkan tests GPU compute using the modern low-overhead Vulkan API. This shows how NVIDIA GeForce GT 630 performs with next-generation graphics and compute workloads. Vulkan offers better CPU efficiency than older APIs like OpenGL.
Top 5 Performers
Nearby Performers
About NVIDIA GeForce GT 630
The NVIDIA GeForce GT 630 is a Fermi-architecture entry-point graphics card from the GeForce 600 generation, built on a 40 nm process at TSMC. It carries 585 million transistors on a 116 mm² die, yielding a transistor density of 5.0M per mm². Its benchmark profile places it at the 11th percentile of all GPUs, with an average benchmark score of 2085 across Geekbench Metal, OpenCL, and Vulkan tests (1158, 2479, and 2617 respectively). The data positions this card strictly at the low end of the performance spectrum, suitable only for basic desktop tasks and very light legacy gaming.
Who Should Consider It
The GT 630 is not designed for modern gaming at any meaningful resolution. With an 11th percentile ranking, benchmark results indicate that this card sits below nearly nine out of ten GPUs ever tested. For 1080p gaming, the data shows no viable path: the card's pixel rate of 3.240 GPixel/s and texture rate of 12.96 GTexel/s are far too low to maintain playable frame rates in any current title. Users targeting 720p with lowest settings in games from the early 2010s might find it acceptable, but even then, the 1024 MB memory capacity will be a hard limit.
For non-gaming workloads, the GT 630 can handle basic 2D desktop acceleration, video output to legacy displays (1x DVI, 1x HDMI 1.3a, 1x VGA), and light office productivity. The Geekbench OpenCL score of 2479 suggests it can offload simple compute tasks from the CPU, but the 311.0 GFLOPS FP32 throughput is roughly an order of magnitude below what modern integrated graphics provide. Users considering this card should have minimal expectations: it is a display adapter first and an accelerator a distant second.
Power and Cooling
The GT 630 has a TDP of 65 W, which is modest by any standard. The suggested PSU rating is 250 W, and since the card draws all its power from the PCIe slot—it has no power connectors—most desktop power supplies from the last decade will handle it without issue. The single-slot design and 145 mm (5.7 inches) length mean it will fit in almost any chassis, including small-form-factor cases.
Cooling is a non-issue with this card. A 65 W TDP does not require an elaborate cooler; a basic single-slot heatsink with a small fan is sufficient. The absence of auxiliary power connectors also simplifies installation—no cable management is required. For users building a low-power HTPC or a retro gaming rig, the GT 630's power profile is one of its few strengths. The PCIe 2.0 x16 interface is backward compatible, so it will work in modern motherboards, though the card's performance will not benefit from newer PCIe generations.
Memory Subsystem
The GT 630 comes with 1024 MB of DDR3 memory on a 128-bit bus, yielding a bandwidth of 28.80 GB/s. This is a severe bottleneck. For context, the memory clock is 900 MHz (1800 Mbps effective), which was entry-level even at launch in 2012. At 1080p, modern games often require 4 GB or more of VRAM; the 1 GB capacity here will cause texture thrashing and stuttering in any title with high-resolution assets.
At lower resolutions—say 720p or below—the bandwidth constraint is less punishing, but the card's compute limits (311.0 GFLOPS) will still cap performance. The 128-bit bus is wider than what many integrated solutions offer, but DDR3's low clock speed negates that advantage. Benchmark data shows the GT 630 trailing the Intel HD Graphics 4400 (avg score 2142 vs 2085), which uses shared system memory; the GT 630's dedicated VRAM does not translate into a performance win because the GPU itself is too weak to utilize it effectively.
How It Compares
Against the NVIDIA Quadro 600 (avg score 2100), the GT 630 is 0.7% slower. This is a statistical tie, but it is notable because the Quadro 600 is a professional workstation card from the same era. The data suggests the GT 630 offers essentially identical compute performance to that Quadro, meaning its limitations are architectural, not market-segmentation related.
The NVIDIA Quadro 1000M (avg score 2131) edges out the GT 630 by 2.2%. The Quadro 1000M is a mobile GPU, and its slight lead in average score indicates that even laptop parts from the same generation could outperform this desktop card. This reinforces that the GT 630 was positioned at the very bottom of the desktop stack.
The NVIDIA NVS 5200M (avg score 2138) is 2.5% faster than the GT 630. The NVS series targets multi-display business environments, and its higher score—despite being a mobile chip—shows that the GT 630's only advantage is its desktop form factor and dedicated power delivery, not raw performance.
The Intel HD Graphics 4400 (avg score 2142) is 2.7% faster than the GT 630. This is the most damaging comparison: an integrated GPU from Intel's Haswell generation (a CPU-integrated solution) outperforms the discrete GT 630. For users considering this card today, the data implies that any modern CPU with integrated graphics will match or exceed it, eliminating the need for a discrete GPU at this performance tier.
Ray Tracing and Feature Set
The GT 630 has no ray tracing cores and no tensor cores. It is a pure Fermi-generation rasterizer with 96 shading units, 16 texture mapping units, and 4 ROPs. The API support includes DirectX 12 (feature level 11_0), OpenGL 4.6, and no Vulkan support listed in the data. This is a critical limitation: DirectX 12 with only 11_0 feature level means the card cannot use many modern rendering features, and the absence of Vulkan cuts off a significant portion of current game compatibility.
The feature set is minimal. There is no hardware-accelerated ray tracing, no DLSS or similar upscaling, and no tensor-core-based AI features. The 311.0 GFLOPS FP32 throughput is the entire compute budget, and it must handle all rasterization, shading, and any compute workloads. For users needing modern graphics features, the data is unambiguous: this card predates them by a wide margin. The display outputs (1x DVI, 1x HDMI 1.3a, 1x VGA) also reflect its age—HDMI 1.3a lacks support for 4K at 60 Hz and modern HDR standards.
FAQ
Q: Can the GT 630 run modern games at 1080p?
A: No. The 11th percentile ranking and 1024 MB DDR3 memory with 28.80 GB/s bandwidth are far below what modern games require. The average benchmark score of 2085 places it below even integrated graphics from a decade ago.
Q: How does the GT 630 compare to the Intel HD Graphics 4400?
A: The GT 630 is 2.7% slower in average benchmark score (2085 vs 2142). This means a contemporary CPU with integrated graphics outperforms this discrete card.
Q: What power supply is recommended for the GT 630?
A: The suggested PSU is 250 W. The card has a 65 W TDP and requires no power connectors, drawing all power from the PCIe slot.
Q: Does the GT 630 support DirectX 12?
A: Yes, but only at feature level 11_0. This means it supports the DirectX 12 API but lacks the hardware features required for full DirectX 12 functionality. Vulkan is not supported.
Q: What is the memory bandwidth of the GT 630?
A: The card has 28.80 GB/s bandwidth from 1024 MB of DDR3 memory on a 128-bit bus, running at 900 MHz (1800 Mbps effective).
Q: Is the GT 630 suitable for video playback?
A: For basic video output to 1x DVI, 1x HDMI 1.3a, or 1x VGA, yes. However, the HDMI 1.3a standard limits modern high-resolution and HDR video output, and the GPU lacks hardware decoders for modern codecs—the data does not list any such support.
The AMD Equivalent of GeForce GT 630
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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