820A vs GT 745A

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Combined performance score

GT 745A
3.17
+122%

GT 745A outperforms 820A by 122% in our combined benchmark results.

General info

GPU architecture, market segment, value for money and other general parameters compared.

Place in performance ranking706944
Place by popularitynot in top-100not in top-100
Value for money0.060.02
ArchitectureKepler (2012−2018)Fermi 2.0 (2010−2014)
GPU code nameGK107GF117
Market segmentDesktopDesktop
Release date26 August 2013 (10 years old)17 March 2014 (10 years old)
Current price$530 $238
Value for money

Performance to price ratio. The higher, the better.

GT 745A has 200% better value for money than GeForce 820A.

Technical specs

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores38496
Core clock speed837 MHz775 MHz
Boost clock speed915 MHzno data
Number of transistors1,270 million585 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)33 Watt15 Watt
Texture fill rate29.2812.40
Floating-point performance642.8 gflops297.6 gflops

Size and compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

InterfacePCIe 3.0 x16PCIe 2.0 x16
WidthMXM Moduleno data

Memory

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeDDR3DDR3
Maximum RAM amount2 GB1 GB
Memory bus width128 Bit64 Bit
Memory clock speed1800 MHz1800 MHz
Memory bandwidth28.8 GB/s14.4 GB/s

Video outputs and ports

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display ConnectorsNo outputsNo outputs

API support

List of supported graphics and general-purpose computing APIs, including their specific versions.

DirectX12 (11_0)12 (11_0)
Shader Model5.15.1
OpenGL4.64.6
OpenCL1.21.1
Vulkan1.1.126N/A
CUDA3.02.1

Synthetic benchmark performance

Non-gaming benchmark performance comparison. The combined score is measured on a 0-100 point scale.


Combined synthetic benchmark score

This is our combined benchmark performance score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

GT 745A 3.17
+122%
GeForce 820A 1.43

GT 745A outperforms 820A by 122% in our combined benchmark results.


Passmark

This is the most ubiquitous GPU benchmark, part of Passmark PerformanceTest suite. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

Benchmark coverage: 25%

GT 745A 1228
+121%
GeForce 820A 555

GT 745A outperforms 820A by 121% in Passmark.

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Advantages and disadvantages


Performance score 3.17 1.43
Recency 26 August 2013 17 March 2014
Maximum RAM amount 2 GB 1 GB
Power consumption (TDP) 33 Watt 15 Watt

The GeForce GT 745A is our recommended choice as it beats the GeForce 820A in performance tests.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

User ratings

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


NVIDIA GeForce GT 745A
GeForce GT 745A
NVIDIA GeForce 820A
GeForce 820A

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User ratings: view and submit

Here you can see the user rating of the graphics cards, as well as rate them yourself.


3.4 5 votes

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2.8 42 votes

Rate NVIDIA GeForce 820A on a scale of 1 to 5:

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Questions and comments

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