H800 PCIe 80 GB vs GeForce GTX 1660 Super

Primary details

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

Place in the ranking	162	not rated
Place by popularity	8	not in top-100
Cost-effectiveness evaluation	58.41	no data
Power efficiency	18.18	no data
Architecture	Turing (2018−2022)	Hopper (2022−2023)
GPU code name	TU116	GH100
Market segment	Desktop	Workstation
Release date	29 October 2019 (5 years ago)	21 March 2023 (1 year ago)
Launch price (MSRP)	$229	no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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 cores	1408	14592
Core clock speed	1530 MHz	1095 MHz
Boost clock speed	1785 MHz	1755 MHz
Number of transistors	6,600 million	80,000 million
Manufacturing process technology	12 nm	4 nm
Power consumption (TDP)	125 Watt	350 Watt
Texture fill rate	157.1	800.3
Floating-point processing power	5.027 TFLOPS	51.22 TFLOPS
ROPs	48	24
TMUs	88	456
Tensor Cores	no data	456

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).

Interface	PCIe 3.0 x16	PCIe 5.0 x16
Length	229 mm	268 mm
Width	2-slot	2-slot
Supplementary power connectors	1x 8-pin	1x 16-pin

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 type	GDDR6	HBM2e
Maximum RAM amount	6 GB	80 GB
Memory bus width	192 Bit	5120 Bit
Memory clock speed	1750 MHz	1593 MHz
Memory bandwidth	336.0 GB/s	2,039 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 Connectors	1x DVI, 1x HDMI, 1x DisplayPort	No outputs
HDMI	+	-
HDCP	+	-
G-SYNC support	+	-

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

NVENC	+	no data
Ansel	+	no data

API compatibility

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

DirectX	12 (12_1)	N/A
Shader Model	6.5	N/A
OpenGL	4.6	N/A
OpenCL	1.2	3.0
Vulkan	1.2.131	N/A
CUDA	7.5	9.0

Pros & cons summary

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Recency	29 October 2019	21 March 2023
Maximum RAM amount	6 GB	80 GB
Chip lithography	12 nm	4 nm
Power consumption (TDP)	125 Watt	350 Watt

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