H100 SXM5 64 GB vs Radeon HD 8670D

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Primary details

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

Place in the ranking1006not rated
Place by popularitynot in top-100not in top-100
Power efficiency0.96no data
ArchitectureTeraScale 3 (2010−2013)Hopper (2022−2023)
GPU code nameDevastatorGH100
Market segmentDesktopWorkstation
Release date12 March 2013 (11 years ago)21 March 2023 (1 year 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 cores38416896
Core clock speed844 MHz1665 MHz
Boost clock speed950 MHz1980 MHz
Number of transistors1,303 million80,000 million
Manufacturing process technology32 nm4 nm
Power consumption (TDP)100 Watt700 Watt
Texture fill rate22.801,045
Floating-point processing power0.7296 TFLOPS66.91 TFLOPS
ROPs824
TMUs24528
Tensor Coresno data528

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).

InterfaceIGPPCIe 5.0 x16
WidthIGPSXM Module
Supplementary power connectorsno data8-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 typeSystem SharedHBM3
Maximum RAM amountSystem Shared64 GB
Memory bus widthSystem Shared3072 Bit
Memory clock speedSystem Shared1313 MHz
Memory bandwidthno data1,008 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 outputsNo outputs

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-9.0

Pros & cons summary


Recency 12 March 2013 21 March 2023
Chip lithography 32 nm 4 nm
Power consumption (TDP) 100 Watt 700 Watt

HD 8670D has 600% lower power consumption.

H100 SXM5 64 GB, on the other hand, has an age advantage of 10 years, and a 700% more advanced lithography process.

We couldn't decide between Radeon HD 8670D and H100 SXM5 64 GB. We've got no test results to judge.

Be aware that Radeon HD 8670D is a desktop card while H100 SXM5 64 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 8670D
Radeon HD 8670D
NVIDIA H100 SXM5 64 GB
H100 SXM5 64 GB

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