GEFORCE

NVIDIA GeForce GTX 850A

NVIDIA graphics card specifications and benchmark scores

2 GB
VRAM
902
MHz Boost
45W
TDP
128
Bus Width

NVIDIA GeForce GTX 850A Specifications

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GeForce GTX 850A GPU Core

Shader units and compute resources

The NVIDIA GeForce GTX 850A 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.

Shading Units
640
Shaders
640
TMUs
40
ROPs
16
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GTX 850A Clock Speeds

GPU and memory frequencies

Clock speeds directly impact the GeForce GTX 850A'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 GTX 850A by NVIDIA dynamically adjusts frequencies based on workload, temperature, and power limits to maximize performance while maintaining stability.

Base Clock
902 MHz
Base Clock
902 MHz
Boost Clock
902 MHz
Boost Clock
902 MHz
Memory Clock
900 MHz 1800 Mbps effective
GDDR GDDR 6X 6X

NVIDIA's GeForce GTX 850A Memory

VRAM capacity and bandwidth

VRAM (Video RAM) is dedicated memory for storing textures, frame buffers, and shader data. The GeForce GTX 850A'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.

Memory Size
2 GB
VRAM
2,048 MB
Memory Type
DDR3
VRAM Type
DDR3
Memory Bus
128 bit
Bus Width
128-bit
Bandwidth
28.80 GB/s
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GeForce GTX 850A by NVIDIA Cache

On-chip cache hierarchy

On-chip cache provides ultra-fast data access for the GTX 850A, 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.

L1 Cache
64 KB (per SMM)
L2 Cache
2 MB
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GTX 850A Theoretical Performance

Compute and fill rates

Theoretical performance metrics provide a baseline for comparing the NVIDIA GeForce GTX 850A 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.

FP32 (Float)
1,154.6 GFLOPS
FP64 (Double)
36.08 GFLOPS (1:32)
Pixel Rate
14.43 GPixel/s
Texture Rate
36.08 GTexel/s
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Maxwell Architecture & Process

Manufacturing and design details

The NVIDIA GeForce GTX 850A is built on NVIDIA's Maxwell 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 GTX 850A will perform in GPU benchmarks compared to previous generations.

Architecture
Maxwell
GPU Name
GM107
Process Node
28 nm
Foundry
TSMC
Transistors
1,870 million
Die Size
148 mm²
Density
12.6M / mm²
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NVIDIA's GeForce GTX 850A Power & Thermal

TDP and power requirements

Power specifications for the NVIDIA GeForce GTX 850A 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 GTX 850A to maintain boost clocks without throttling.

TDP
45 W
TDP
45W
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GeForce GTX 850A by NVIDIA Physical & Connectivity

Dimensions and outputs

Physical dimensions of the NVIDIA GeForce GTX 850A 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.

Slot Width
IGP
Bus Interface
PCIe 3.0 x16
Display Outputs
Portable Device Dependent
Display Outputs
Portable Device Dependent
🎮

NVIDIA API Support

Graphics and compute APIs

API support determines which games and applications can fully utilize the NVIDIA GeForce GTX 850A. 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.

DirectX
12 (11_0)
DirectX
12 (11_0)
OpenGL
4.6
OpenGL
4.6
Vulkan
1.4
Vulkan
1.4
OpenCL
3.0
CUDA
5.0
Shader Model
6.7 (5.1)
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GeForce GTX 850A Product Information

Release and pricing details

The NVIDIA GeForce GTX 850A 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 GTX 850A by NVIDIA represents good value at current market prices. Predecessor and successor information aids in tracking generational improvements and planning future upgrades.

Manufacturer
NVIDIA
Release Date
Mar 2014
Production
End-of-life
Predecessor
GeForce 700A
Successor
GeForce 900A

GeForce GTX 850A Benchmark Scores

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No benchmark data available for this GPU.

About NVIDIA GeForce GTX 850A

The NVIDIA GeForce GTX 850A, released in March 2014, features a Maxwell architecture on a 28 nm process with 2 GB of DDR3 VRAM and a base clock of 902 MHz, making it suitable for entry-level productivity tasks. Its low TDP of 45 W ensures efficient power consumption in compact office setups, ideal for prolonged usage without excessive heat generation. In compute performance, the GTX 850 GPU supports CUDA workloads at modest levels, handling basic parallel processing for data analysis tools that do not demand high floating-point operations. Video editing performance shines in lightweight applications like Adobe Premiere Pro for 1080p timelines, where its PCIe 3.0 x16 interface provides stable data throughput. Users report smooth playback and exports for simple effects chains, though complex 4K rendering exceeds its capabilities. Overall, its boost clock matching the base at 902 MHz delivers consistent output for daily office multimedia tasks.

Software compatibility with the NVIDIA GTX 850 GPU remains strong for legacy workstation applications, supporting DirectX 12 and OpenGL 4.5 for broad interoperability. It integrates seamlessly into workstation builds focused on cost-effective multi-monitor setups for office productivity suites. Key advantages include:

  1. Ultra-low 45 W TDP for silent, fanless operation in small form factor PCs.
  2. 2 GB VRAM sufficient for multi-app workflows like Excel, Photoshop, and light CAD.
  3. PCIe 3.0 x16 ensures future-proof slot compatibility in modern motherboards.
  4. Maxwell architecture optimizes driver support for enterprise software up to 2023 updates.

This configuration excels in budget workstation builds for remote workers, prioritizing reliability over peak performance. Deployment in office environments yields high uptime with minimal maintenance, backed by its mature driver ecosystem.

The AMD Equivalent of GeForce GTX 850A

Looking for a similar graphics card from AMD? The AMD Radeon RX 480 offers comparable performance and features in the AMD lineup.

AMD Radeon RX 480

AMD • 8 GB VRAM

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