A100 PCIe 80 GB vs Radeon HD 6450 OEM

Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureTeraScale 2 (2009−2015)Ampere (2020−2024)
GPU code nameCaicosGA100
Market segmentDesktopWorkstation
Release date7 February 2011 (13 years ago)28 June 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 cores1606912
Core clock speed625 MHz1065 MHz
Boost clock speedno data1410 MHz
Number of transistors370 million54,200 million
Manufacturing process technology40 nm7 nm
Power consumption (TDP)18 Watt250 Watt
Texture fill rate5.000609.1
Floating-point processing power0.2 TFLOPS19.49 TFLOPS
ROPs4160
TMUs8432
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).

InterfacePCIe 2.0 x16PCIe 4.0 x16
Length168 mm267 mm
Width1-slot2-slot
Supplementary power connectorsNone8-pin EPS

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 typeGDDR3HBM2e
Maximum RAM amount512 MB80 GB
Memory bus width64 Bit5120 Bit
Memory clock speed533 MHz1593 MHz
Memory bandwidth8.528 GB/s2,039 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 HDMI, 1x VGANo outputs
HDMI+-

API compatibility

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

DirectX11.2 (11_0)N/A
Shader Model5.0N/A
OpenGL4.4N/A
OpenCL1.23.0
VulkanN/AN/A
CUDA-8.0

Pros & cons summary


Recency 7 February 2011 28 June 2021
Maximum RAM amount 512 MB 80 GB
Chip lithography 40 nm 7 nm
Power consumption (TDP) 18 Watt 250 Watt

HD 6450 OEM has 1288.9% lower power consumption.

A100 PCIe 80 GB, on the other hand, has an age advantage of 10 years, a 15900% higher maximum VRAM amount, and a 471.4% more advanced lithography process.

We couldn't decide between Radeon HD 6450 OEM and A100 PCIe 80 GB. We've got no test results to judge.

Be aware that Radeon HD 6450 OEM is a desktop card while A100 PCIe 80 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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AMD Radeon HD 6450 OEM
Radeon HD 6450 OEM
NVIDIA A100 PCIe 80 GB
A100 PCIe 80 GB

Comparisons with similar GPUs

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Community ratings

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2.8 6 votes

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3.3 70 votes

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