T400 vs Radeon R5 340 OEM

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Primary details

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

Place in the rankingnot rated465
Place by popularitynot in top-100not in top-100
Power efficiencyno data22.60
ArchitectureGCN 1.0 (2011−2020)Turing (2018−2022)
GPU code nameOlandTU117
Market segmentDesktopWorkstation
Release date5 May 2015 (9 years ago)6 May 2021 (3 years 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 cores384384
Core clock speed730 MHz420 MHz
Boost clock speed780 MHz1425 MHz
Number of transistors950 million4,700 million
Manufacturing process technology28 nm12 nm
Power consumption (TDP)65 Watt30 Watt
Texture fill rate18.7234.20
Floating-point processing power0.599 TFLOPS1.094 TFLOPS
ROPs816
TMUs2424

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).

InterfacePCIe 3.0 x8PCIe 3.0 x16
Length145 mmno data
Width1-slot1-slot
Supplementary power connectorsNoneNone

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 typeGDDR5GDDR6
Maximum RAM amount1 GB2 GB
Memory bus width64 Bit64 Bit
Memory clock speed1150 MHz1250 MHz
Memory bandwidth36.8 GB/s80 GB/s

Connectivity and outputs

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 Connectors1x DVI, 1x DisplayPort3x mini-DisplayPort

API compatibility

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

DirectX12 (11_1)12 (12_1)
Shader Model5.16.6
OpenGL4.64.6
OpenCL1.23.0
Vulkan1.2.1311.2
CUDA-7.5

Pros & cons summary


Recency 5 May 2015 6 May 2021
Maximum RAM amount 1 GB 2 GB
Chip lithography 28 nm 12 nm
Power consumption (TDP) 65 Watt 30 Watt

T400 has an age advantage of 6 years, a 100% higher maximum VRAM amount, a 133.3% more advanced lithography process, and 116.7% lower power consumption.

We couldn't decide between Radeon R5 340 OEM and T400. We've got no test results to judge.

Be aware that Radeon R5 340 OEM is a desktop card while T400 is a workstation one.


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

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AMD Radeon R5 340 OEM
Radeon R5 340 OEM
NVIDIA T400
T400

Comparisons with similar GPUs

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Community ratings

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Questions & comments

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