Radeon 680M vs Instinct MI100

Primary details

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

Place in performance ranking	not rated	337
Place by popularity	not in top-100	not in top-100
Architecture	CDNA 1.0 (2020)	RDNA 2 (2020−2023)
GPU code name	Arcturus	RDNA 2 Rembrandt
Market segment	Desktop	Laptop
Release date	16 November 2020 (3 years ago)	4 January 2022 (2 years ago)

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	7680	768
Boost clock speed	1502 MHz	2400 MHz
Number of transistors	50,000 million	13,100 million
Manufacturing process technology	7 nm	6 nm
Power consumption (TDP)	300 Watt	45 Watt
Texture fill rate	721.0	115.2
Floating-point performance	23.07 gflops	3.686 gflops

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 4.0 x16	PCIe 4.0 x8
Length	267 mm	no data
Width	2-slot	no data
Supplementary power connectors	2x 8-pin	None

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	HBM2	no data
Maximum RAM amount	32 GB	System Shared
Memory bus width	4096 Bit	no data
Memory clock speed	2.4 GB/s	no data
Memory bandwidth	1,229 GB/s	no data
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

No outputs

No outputs

API compatibility

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

DirectX	N/A	12 (12_1)
Shader Model	N/A	6.5
OpenGL	N/A	4.6
OpenCL	2.1	2.0
Vulkan	N/A	1.2

Pros & cons summary

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Recency	16 November 2020	4 January 2022
Chip lithography	7 nm	6 nm
Power consumption (TDP)	300 Watt	45 Watt

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