Samsung All-in-One DM970AGA-LC51G (2024) 27" Intel Core Ultra 5 125H / 16GB RAM / 512GB SSD specifications and in-depth review

Samsung All-in-One DM970AGA-LC51G (2024) 27" Intel Core Ultra 5 125H / 16GB RAM / 512GB SSD

Manufacturer: Samsung

The Samsung All-in-One DM970AGA-LC51G (2024) is a 27-inch desktop that pairs a 3840 x 2160 resolution display with an Intel Core Ultra 5 125H processor and 16GB of DDR5 memory. The flat panel features an anti-reflection coating and wide 178-degree viewing angles both horizontally and vertically, making it well suited to stationary desk setups. Built-in stereo speakers with Dolby Atmos support, a 5MP front camera with a privacy shutter, and a single built-in microphone round out the multimedia side of the machine.

Under the hood, the CPU uses big.LITTLE architecture with four cores at 1.2 GHz and eight cores at 0.7 GHz, reaching a turbo frequency of 4.5 GHz across 18 threads within a 28W TDP, backed by 18 MB of L3 cache. The system ships with 512GB of flash-based internal storage and supports memory expansion up to 96GB across two channels. Connectivity includes two Thunderbolt ports, one USB 3.0 port, one USB 2.0 port, a USB Type-C port, one HDMI output, a single RJ45 jack, an external memory card slot, and a 3.5mm audio socket. Wireless is handled by Wi-Fi 6E alongside Bluetooth 5.3, and the unit carries a top energy efficiency rating with an internal power supply.

Pros
  • The 3840 x 2160 resolution on a 27-inch panel delivers sharp detail for a built-in all-in-one display
  • Wide 178-degree viewing angles both horizontally and vertically ensure consistent image quality from off-center positions
  • An internal power supply means no external power brick is needed, keeping the desk setup cleaner
  • Two Thunderbolt ports and an external memory card slot provide flexible high-speed connectivity and quick media transfers
  • Dolby Atmos support enhances the built-in stereo speaker output for more immersive audio
  • Memory is expandable up to 96GB across two channels, giving the system significant upgrade headroom beyond the installed 16GB
Cons
  • No touch screen support limits direct on-screen interaction, which is increasingly common in this product category
  • Neither 3D facial recognition nor a fingerprint scanner is available, leaving the front camera without biometric login capability
  • Only a single built-in microphone is present, which may reduce audio capture quality during video calls
  • The 512GB internal storage is relatively modest for a desktop all-in-one used as a primary workstation
  • No DisplayPort output is available, and the single HDMI port limits wired display expansion options without using the Thunderbolt ports
  • HDR support is entirely absent, with no HDR10, HDR10+, or Dolby Vision available despite the high-resolution panel
Who is this for?

This all-in-one suits users who want a sharp, detailed display for everyday productivity and media consumption without managing a separate tower and monitor. The 3840 x 2160 resolution with wide 178-degree viewing angles makes it well suited to desk setups where display clarity and comfortable off-axis viewing matter, such as home offices or shared workspaces. The two Thunderbolt ports, external memory card slot, and memory expandability up to 96GB also make it a practical fit for users who handle external storage devices or anticipate needing more RAM over time, while the internal power supply keeps the workspace tidy with fewer cables.

Who is this NOT for?

Users who rely on biometric login will find this machine lacking, as neither facial recognition nor a fingerprint scanner is available. Those who regularly work with touch-based workflows or stylus input will need to look elsewhere, since the display does not support touch interaction. The 512GB internal storage is also a limiting factor for users who store large media libraries, project files, or software installations locally, and the absence of any HDR support makes it unsuitable for color-graded video work or HDR content review despite the high-resolution panel.

Performance:

CPU speed 4 x 1.2 & 8 x 0.7 GHz
RAM 16GB
GPU clock speed 300 MHz
PassMark result 21104
PassMark result (single) 3400
CPU threads 18 threads
DDR memory version 5
GPU turbo 2200 MHz
semiconductor size 7 nm

The CPU runs a hybrid core layout with four cores at 1.2 GHz and eight cores at 0.7 GHz across 18 threads on a 7 nm process, paired with 16GB of DDR5 memory. The integrated GPU operates at a base clock of 300 MHz and a turbo of 2200 MHz. Benchmark results come in at 21,104 for PassMark multi-threaded and 3,400 for the single-threaded test.

Display:

resolution 3840 x 2160 px
has anti-reflection coating
screen size 27"
supports Dolby Vision
supports HDR10+
supports HDR10
supported displays 4
Has a curved display
has a touch screen
maximum horizontal viewing angle 178º
maximum vertical viewing angle 178º

The 27-inch flat panel runs at a 3840 x 2160 resolution with maximum viewing angles of 178 degrees both horizontally and vertically, and includes an anti-reflection coating for reduced glare. The display does not support touch input, nor does it offer HDR in any form — HDR10, HDR10+, and Dolby Vision are all absent. The system can drive up to 4 displays simultaneously, extending output beyond the built-in screen.

Connectivity:

Wi-Fi version Wi-Fi 6E (802.11ax), Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n)
Bluetooth version 5.3
supports Ethernet
has an external memory slot
has an HDMI output
HDMI ports 1
has a socket for a 3.5 mm audio jack
DisplayPort outputs 0
mini DisplayPort outputs 0
USB 2.0 ports 1
USB 3.0 ports 1
RJ45 ports 1
Has USB Type-C
Thunderbolt ports 2

Wireless connectivity covers Wi-Fi 6E (802.11ax) with backward compatibility down to Wi-Fi 4, alongside Bluetooth 5.3 and a single RJ45 port for wired Ethernet. The USB layout includes two Thunderbolt ports, one USB Type-C port, one USB 3.0 port, and one USB 2.0 port, while display output is limited to a single HDMI port with no DisplayPort or mini DisplayPort available. An external memory card slot and a 3.5mm audio jack are also present.

Features:

has Dolby Atmos
has a front camera
megapixels (front camera) 5MP
has an ambient light sensor
Uses 3D facial recognition
Has a fingerprint scanner

The unit includes a 5MP front camera and supports Dolby Atmos audio, though there is no ambient light sensor, 3D facial recognition, or fingerprint scanner for biometric login.

Design:

Has an internal power supply
has a privacy shutter
supports portrait mode
height 374 mm
width 627 mm
weight 6900 g

The unit measures 627 mm wide and 374 mm tall, weighing 6900 g, and houses an internal power supply, eliminating the need for an external power brick. A privacy shutter is included for the front camera, though the display does not support portrait mode orientation.

General info:

internal storage 512GB
Uses flash storage
number of microphones 1
has stereo speakers
has top energy efficiency rating

The system provides 512GB of flash-based internal storage and is equipped with stereo speakers and a single built-in microphone for audio input. It carries a top energy efficiency rating, reflecting low power consumption during regular operation.

Miscellaneous:

Geekbench 6 result (multi) 10239
Geekbench 6 result (single) 2256
PassMark result (overclocked) 22756
render output units (ROPs) 24
texture mapping units (TMUs) 48
shading units 768
GPU execution units 7
DirectX version DirectX 12
Type Laptop
instruction sets MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, SSE 4.2
L3 cache 18 MB
clock multiplier 36
Has an unlocked multiplier
Has NX bit
Supports 64-bit
uses multithreading
CPU temperature 110 °C
PCI Express (PCIe) version 5
OpenCL version 3
OpenGL version 4.6
Has integrated graphics
Supports ECC memory
memory channels 2
RAM speed (max) 5600 MHz
maximum memory amount 96GB
Thermal Design Power (TDP) 28W
turbo clock speed 4.5GHz
Uses big.LITTLE technology

The laptop-class CPU employs big.LITTLE technology with a 28W TDP, a turbo frequency of 4.5 GHz, 18 MB of L3 cache, a clock multiplier of 36, and a maximum operating temperature of 110 °C; the multiplier is locked. It supports multithreading, 64-bit processing, an NX bit, and instruction sets including MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, and SSE 4.2. The integrated GPU features 768 shading units, 48 TMUs, 24 ROPs, and 7 execution units, with support for DirectX 12, OpenGL 4.6, and OpenCL 3 over a PCIe 5 interface. Memory can be expanded to 96GB across two channels at up to 5600 MHz, though ECC is not supported. In extended benchmarks, the overclocked PassMark result reaches 22,756, while Geekbench 6 scores come in at 10,239 multi-core and 2,256 single-core.

Final Verdict

The Samsung All-in-One DM970AGA-LC51G (2024) presents a focused proposition for home office and productivity users who want a clean, cable-light desktop setup with a genuinely sharp display. Its 3840 x 2160 resolution panel with wide viewing angles stands out as the defining strength, and the combination of Thunderbolt ports, an external memory card slot, and memory expandability up to 96GB gives it reasonable flexibility for everyday and semi-professional use. That said, the absence of touch support, biometric login options, and HDR narrows its appeal for users who expect those capabilities at this display size. For someone prioritizing display resolution and a tidy desk setup over advanced interaction features, the DM970AGA-LC51G is a coherent and well-rounded choice — but users with more demanding feature requirements should weigh those gaps carefully.