T400 4 GB vs ATI Radeon SDR PCI

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Primary details

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

Place in the rankingnot rated456
Place by popularitynot in top-100not in top-100
Power efficiencyno data22.49
ArchitectureRage 6 (2000−2007)Turing (2018−2022)
GPU code nameRage 6TU117
Market segmentDesktopWorkstation
Release date1 June 2000 (24 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 coresno data384
Core clock speed166 MHz420 MHz
Boost clock speedno data1425 MHz
Number of transistors30 million4,700 million
Manufacturing process technology180 nm12 nm
Power consumption (TDP)23 Watt30 Watt
Texture fill rate134.20
Floating-point processing powerno data1.094 TFLOPS
ROPs216
TMUs624

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).

InterfacePCIPCIe 3.0 x16
Length165 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 typeSDRGDDR6
Maximum RAM amount32 MB4 GB
Memory bus width128 Bit64 Bit
Memory clock speed166 MHz1250 MHz
Memory bandwidth2.656 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 VGA, 1x S-Video3x mini-DisplayPort

API compatibility

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

DirectX7.012 (12_1)
Shader Modelno data6.6
OpenGL1.34.6
OpenCLN/A3.0
VulkanN/A1.2
CUDA-7.5

Pros & cons summary


Recency 1 June 2000 6 May 2021
Maximum RAM amount 32 MB 4 GB
Chip lithography 180 nm 12 nm
Power consumption (TDP) 23 Watt 30 Watt

ATI SDR PCI has 30.4% lower power consumption.

T400 4 GB, on the other hand, has an age advantage of 20 years, a 12700% higher maximum VRAM amount, and a 1400% more advanced lithography process.

We couldn't decide between Radeon SDR PCI and T400 4 GB. We've got no test results to judge.

Be aware that Radeon SDR PCI is a desktop card while T400 4 GB 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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ATI Radeon SDR PCI
Radeon SDR PCI
NVIDIA T400 4 GB
T400 4 GB

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Community ratings

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Questions & comments

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