Radeon 820M vs T400 4 GB

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Aggregate performance score

We've compared T400 4 GB with Radeon 820M, including specs and performance data.

T400 4 GB
2021
4 GB GDDR6, 30 Watt
8.60
+81.1%

T400 4 GB outperforms 820M by an impressive 81% based on our aggregate benchmark results.

Primary details

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

Place in the ranking509664
Place by popularitynot in top-100not in top-100
Power efficiency23.19no data
ArchitectureTuring (2018−2022)RDNA 3+ (2024)
GPU code nameTU117Krackan Point
Market segmentWorkstationLaptop
Release date6 May 2021 (4 years ago)2 June 2024 (1 year ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores384128
Core clock speed420 MHzno data
Boost clock speed1425 MHz2900 MHz
Number of transistors4,700 millionno data
Manufacturing process technology12 nm4 nm
Power consumption (TDP)30 Wattno data
Texture fill rate34.20no data
Floating-point processing power1.094 TFLOPSno data
ROPs16no data
TMUs24no data
L1 Cache384 KBno data
L2 Cache1024 KBno data

Form factor & 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).

Laptop sizeno datamedium sized
InterfacePCIe 3.0 x16no data
Width1-slotno data
Supplementary power connectorsNoneno data

VRAM capacity and type

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 typeGDDR6no data
Maximum RAM amount4 GBno data
Memory bus width64 Bitno data
Memory clock speed1250 MHz7500 MHz
Memory bandwidth80 GB/sno data
Shared memory-+
Resizable BAR-+

Connectivity and outputs

This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.

Display Connectors3x mini-DisplayPortno data

API and SDK support

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12 (12_1)no data
Shader Model6.6no data
OpenGL4.6no data
OpenCL3.0no data
Vulkan1.2-
CUDA7.5-

Synthetic benchmarks

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


Combined synthetic benchmark score

This is our combined benchmark score.

T400 4 GB 8.60
+81.1%
Radeon 820M 4.75

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.

T400 4 GB 3802
+81.2%
Samples: 599
Radeon 820M 2098
Samples: 1

Gaming performance

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

FPS performance in popular games

Full HD
Low

Counter-Strike 2 21−24
+0%
21−24
+0%
Cyberpunk 2077 10−11
+0%
10−11
+0%
Hogwarts Legacy 10−11
+0%
10−11
+0%

Full HD
Medium

Battlefield 5 21−24
+0%
21−24
+0%
Counter-Strike 2 21−24
+0%
21−24
+0%
Cyberpunk 2077 10−11
+0%
10−11
+0%
Far Cry 5 16−18
+0%
16−18
+0%
Fortnite 30−33
+0%
30−33
+0%
Forza Horizon 4 24−27
+0%
24−27
+0%
Forza Horizon 5 14−16
+0%
14−16
+0%
Hogwarts Legacy 10−11
+0%
10−11
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 20−22
+0%
20−22
+0%
Valorant 60−65
+0%
60−65
+0%

Full HD
High

Battlefield 5 21−24
+0%
21−24
+0%
Counter-Strike 2 21−24
+0%
21−24
+0%
Counter-Strike: Global Offensive 85−90
+0%
85−90
+0%
Cyberpunk 2077 10−11
+0%
10−11
+0%
Far Cry 5 16−18
+0%
16−18
+0%
Fortnite 30−33
+0%
30−33
+0%
Forza Horizon 4 24−27
+0%
24−27
+0%
Forza Horizon 5 14−16
+0%
14−16
+0%
Grand Theft Auto V 16−18
+0%
16−18
+0%
Hogwarts Legacy 10−11
+0%
10−11
+0%
Metro Exodus 10−11
+0%
10−11
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 20−22
+0%
20−22
+0%
The Witcher 3: Wild Hunt 14−16
+0%
14−16
+0%
Valorant 60−65
+0%
60−65
+0%

Full HD
Ultra

Battlefield 5 21−24
+0%
21−24
+0%
Cyberpunk 2077 10−11
+0%
10−11
+0%
Far Cry 5 16−18
+0%
16−18
+0%
Forza Horizon 4 24−27
+0%
24−27
+0%
Hogwarts Legacy 10−11
+0%
10−11
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 20−22
+0%
20−22
+0%
The Witcher 3: Wild Hunt 14−16
+0%
14−16
+0%

Full HD
Epic

Fortnite 30−33
+0%
30−33
+0%

1440p
High

Counter-Strike 2 10−11
+0%
10−11
+0%
Counter-Strike: Global Offensive 35−40
+0%
35−40
+0%
Grand Theft Auto V 5−6
+0%
5−6
+0%
Metro Exodus 4−5
+0%
4−5
+0%
Valorant 55−60
+0%
55−60
+0%

1440p
Ultra

Battlefield 5 5−6
+0%
5−6
+0%
Cyberpunk 2077 4−5
+0%
4−5
+0%
Far Cry 5 10−11
+0%
10−11
+0%
Forza Horizon 4 12−14
+0%
12−14
+0%
Hogwarts Legacy 5−6
+0%
5−6
+0%
The Witcher 3: Wild Hunt 7−8
+0%
7−8
+0%

1440p
Epic

Fortnite 10−11
+0%
10−11
+0%

4K
High

Grand Theft Auto V 16−18
+0%
16−18
+0%
The Witcher 3: Wild Hunt 1−2
+0%
1−2
+0%
Valorant 24−27
+0%
24−27
+0%

4K
Ultra

Battlefield 5 2−3
+0%
2−3
+0%
Cyberpunk 2077 1−2
+0%
1−2
+0%
Far Cry 5 4−5
+0%
4−5
+0%
Forza Horizon 4 7−8
+0%
7−8
+0%
Hogwarts Legacy 0−1 0−1
PLAYERUNKNOWN'S BATTLEGROUNDS 5−6
+0%
5−6
+0%

4K
Epic

Fortnite 5−6
+0%
5−6
+0%

All in all, in popular games:

  • there's a draw in 56 tests (100%)

Pros & cons summary


Performance score 8.60 4.75
Recency 6 May 2021 2 June 2024
Chip lithography 12 nm 4 nm

T400 4 GB has a 81.1% higher aggregate performance score.

Radeon 820M, on the other hand, has an age advantage of 3 years, and a 200% more advanced lithography process.

The T400 4 GB is our recommended choice as it beats the Radeon 820M in performance tests.

Be aware that T400 4 GB is a workstation graphics card while Radeon 820M is a notebook one.

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NVIDIA T400 4 GB
T400 4 GB
AMD Radeon 820M
Radeon 820M

Other comparisons

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Community ratings

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