NVIDIA started GeForce GT 820M sales 27 November 2013. This is a Fermi 2.0 architecture notebook card based on 28 nm manufacturing process and primarily aimed at office use. 1 GB of DDR3 memory clocked at 0.9 GHz are supplied, and together with 64 Bit memory interface this creates a bandwidth of 14.4 GB/s.

Compatibility-wise, this is a graphics card attached via PCIe 2.0 x16 interface. Power consumption is at 15 Watt.

Primary details

Some basic facts about GeForce GT 820M: architecture, market segment, release date etc.

Place in the ranking	989
Place by popularity	not in top-100
Power efficiency	6.74	of 100.00 (Radeon 890M)
Architecture	Fermi 2.0 (2010−2014)
GPU code name	GF117
Market segment	Laptop
Release date	27 November 2013 (10 years ago)

Detailed specifications

GeForce GT 820M's specs such as number of shaders, GPU base clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of GeForce GT 820M's performance, but for precise assessment you have to consider its benchmark and gaming test results.

Pipelines / CUDA cores	96	of 21760 (GeForce RTX 5090)
Core clock speed	775 MHz	of 2610 MHz (Radeon RX 6500 XT)
Number of transistors	585 million	of 208,000 million (B200 SXM 192 GB)
Manufacturing process technology	28 nm	of 3 nm (Arc Graphics 140V)
Power consumption (TDP)	15 Watt	of 2400 Watt (Data Center GPU Max Subsystem)
Texture fill rate	12.40	of 2,554 (Radeon Instinct MI300X)
Floating-point processing power	0.2976 TFLOPS	of 109.7 (GeForce RTX 5090)
ROPs	8	of 192 (Radeon RX 7900 XTX)
TMUs	16	of 1280 (Data Center GPU Max NEXT)

Form factor & compatibility

This section provides details about the physical dimensions of GeForce GT 820M and its compatibility with other computer components. This information is useful when selecting a computer configuration or upgrading an existing one. For desktop graphics cards, it includes details about the interface and bus (for motherboard compatibility) and additional power connectors (for power supply compatibility).

Interface

PCIe 2.0 x16

VRAM capacity and type

Parameters of memory installed on GeForce GT 820M: its type, size, bus, clock and resulting bandwidth. Note that GPUs integrated into processors have no dedicated memory and use a shared part of system RAM instead.

Memory type	DDR3
Maximum RAM amount	1 GB	of 294912 (Radeon Instinct MI325X)
Memory bus width	64 Bit	of 8192 Bit (Radeon Instinct MI250X)
Memory clock speed	900 MHz	of 20000 (RTX 5000 Ada Generation Mobile)
Memory bandwidth	14.4 GB/s	of 5,171 GB/s (Radeon Instinct MI300X)

Connectivity and outputs

Types and number of video connectors present on GeForce GT 820M. As a rule, this section is relevant only for desktop reference graphics cards, since for notebook ones the availability of certain video outputs depends on the laptop model, while non-reference desktop models can (though not necessarily will) bear a different set of video ports.

Display Connectors

No outputs

API compatibility

APIs supported by GeForce GT 820M, sometimes including their particular versions.

DirectX	12 (11_0)
Shader Model	5.1
OpenGL	4.6
OpenCL	1.1
Vulkan	N/A
CUDA	2.1

Benchmark performance

Synthetic benchmark performance of GeForce GT 820M. The combined score is measured on a 0-100 point scale.

Combined synthetic benchmark score

This is our combined benchmark 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 820M 1.45

Passmark

This is the most ubiquitous GPU benchmark. 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.

GT 820M 559

GeekBench 5 OpenCL

Geekbench 5 is a widespread graphics card benchmark combined from 11 different test scenarios. All these scenarios rely on direct usage of GPU's processing power, no 3D rendering is involved. This variation uses OpenCL API by Khronos Group.

GT 820M 2498

Gaming performance

Let's see how good GeForce GT 820M is for gaming. Particular gaming benchmark results are measured in frames per second. Comparisons with game system requirements are included, but remember that sometimes official requirements may reflect reality inaccurately.

Closest competitors

GeForce GT 820M's performance relative to its closest rivals among notebook graphics cards.

Radeon HD 6755G2 100.69

GeForce GT 635M 100

Radeon HD 6570M 100

GeForce GT 820M 100

GeForce 9800M GS 99.31

GeForce 820A 99.31

GeForce GTS 250M 98.62

AMD equivalent

According to our data, the closest AMD alternative to GeForce GT 820M is Radeon HD 6570M, which is nearly equal in speed and higher by 1 position in our ranking.