ATI 18800-1 vs Radeon RX 6800

Primary details

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

Place in the ranking	43	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	52.33	no data
Power efficiency	16.90	no data
Architecture	RDNA 2.0 (2020−2024)	Wonder (1990−1992)
GPU code name	Navi 21	18800-1
Market segment	Desktop	Desktop
Release date	28 October 2020 (3 years ago)	no data
Launch price (MSRP)	$579	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	3840	no data
Core clock speed	1700 MHz	no data
Boost clock speed	2105 MHz	no data
Number of transistors	26,800 million	no data
Manufacturing process technology	7 nm	800 nm
Power consumption (TDP)	250 Watt	no data
Texture fill rate	505.2	no data
Floating-point processing power	16.17 TFLOPS	no data
ROPs	96	1
TMUs	240	no data
Ray Tracing Cores	60	no data

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	no data
Length	267 mm	no data
Width	2-slot	no data
Supplementary power connectors	2x 8-pin	no data

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	no data
Maximum RAM amount	16 GB	no data
Memory bus width	256 Bit	no data
Memory clock speed	2000 MHz	no data
Memory bandwidth	512.0 GB/s	no data
Shared memory	-	no data

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 HDMI, 2x DisplayPort, 1x USB Type-C	no data
HDMI	+	-

API compatibility

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

DirectX	12 Ultimate (12_2)	N/A
Shader Model	6.5	no data
OpenGL	4.6	N/A
OpenCL	2.1	N/A
Vulkan	1.2	N/A

Pros & cons summary

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Chip lithography

7 nm

800 nm

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