Tesla V100 SXM2 32 GB vs Radeon HD 6645G2

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)Volta (2017−2020)
GPU code nameno dataGV100
Market segmentLaptopWorkstation
Release date14 June 2011 (13 years ago)27 March 2018 (6 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 cores5605120
Core clock speedno data1290 MHz
Boost clock speedno data1530 MHz
Number of transistorsno data21,100 million
Manufacturing process technology40 nm12 nm
Power consumption (TDP)no data250 Watt
Texture fill rateno data489.6
Floating-point processing powerno data15.67 TFLOPS
ROPsno data128
TMUsno data320
Tensor Coresno data640

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 sizemedium sizedno data
Interfaceno dataPCIe 3.0 x16
Widthno data2-slot
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 typeno dataHBM2
Maximum RAM amountno data32 GB
Memory bus widthno data4096 Bit
Memory clock speedno data876 MHz
Memory bandwidthno data897.0 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 (12_1)
Shader Modelno data6.4
OpenGLno data4.6
OpenCLno data1.2
Vulkan-1.2.131
CUDA-7.0

Pros & cons summary


Recency 14 June 2011 27 March 2018
Chip lithography 40 nm 12 nm

Tesla V100 SXM2 32 GB has an age advantage of 6 years, and a 233.3% more advanced lithography process.

We couldn't decide between Radeon HD 6645G2 and Tesla V100 SXM2 32 GB. We've got no test results to judge.

Be aware that Radeon HD 6645G2 is a notebook card while Tesla V100 SXM2 32 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 6645G2
Radeon HD 6645G2
NVIDIA Tesla V100 SXM2 32 GB
Tesla V100 SXM2 32 GB

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Community ratings

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