GRID A100B vs Radeon HD 6450 GDDR5

Primary details

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

Place in the ranking1116not rated
Place by popularitynot in top-100not in top-100
Power efficiency2.48no data
ArchitectureTerascale 2 (2009−2015)Ampere (2020−2024)
GPU code nameCaicosGA100
Market segmentDesktopWorkstation
Release date18 April 2011 (13 years ago)14 May 2020 (4 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 cores1606912
Core clock speed750 MHz900 MHz
Boost clock speedno data1005 MHz
Number of transistorsno data54,200 million
Manufacturing process technology40 nm7 nm
Power consumption (TDP)27 Watt400 Watt
Texture fill rateno data434.2
Floating-point processing powerno data13.89 TFLOPS
ROPsno data192
TMUsno data432
Tensor Coresno data432

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).

Interfaceno dataPCIe 4.0 x16
Widthno dataIGP
Supplementary power connectorsno dataNone

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 typeGDDR5HBM2e
Maximum RAM amount1 GB48 GB
Memory bus width64 Bit6144 Bit
Memory clock speed900 MHz1215 MHz
Memory bandwidthno data1,866 GB/s
Shared memory--

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 Connectorsno dataNo outputs

API compatibility

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

DirectX1112 Ultimate (12_2)
Shader Modelno data6.5
OpenGLno data4.6
OpenCLno data2.0
Vulkan-1.2
CUDA-8.0

Pros & cons summary


Recency 18 April 2011 14 May 2020
Maximum RAM amount 1 GB 48 GB
Chip lithography 40 nm 7 nm
Power consumption (TDP) 27 Watt 400 Watt

HD 6450 GDDR5 has 1381.5% lower power consumption.

GRID A100B, on the other hand, has an age advantage of 9 years, a 4700% higher maximum VRAM amount, and a 471.4% more advanced lithography process.

We couldn't decide between Radeon HD 6450 GDDR5 and GRID A100B. We've got no test results to judge.

Be aware that Radeon HD 6450 GDDR5 is a desktop card while GRID A100B 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 HD 6450 GDDR5
Radeon HD 6450 GDDR5
NVIDIA GRID A100B
GRID A100B

Comparisons with similar GPUs

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Community ratings

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3.4 24 votes

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Questions & comments

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