Radeon R9 390X2 vs RX 6800

Primary details

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

Place in the ranking	65	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	43.28	no data
Power efficiency	16.20	no data
Architecture	RDNA 2.0 (2020−2025)	GCN (2012−2015)
GPU code name	Navi 21	no data
Market segment	Desktop	Desktop
Release date	28 October 2020 (5 years ago)	no data
Launch price (MSRP)	$579	no data

Cost-effectiveness evaluation

The higher the ratio, the better. We use the manufacturer's recommended prices.

Performance to price scatter graph

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	2
Core clock speed	1700 MHz	no data
Boost clock speed	2105 MHz	1000 MHz
Number of transistors	26,800 million	no data
Manufacturing process technology	7 nm	no data
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	no data
TMUs	240	no data
Ray Tracing Cores	60	no data
L0 Cache	960 KB	no data
L1 Cache	768 KB	no data
L2 Cache	4 MB	no data
L3 Cache	128 MB	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	512
Maximum RAM amount	16 GB	no data
Memory bus width	256 Bit	5400 Bit
Memory clock speed	2000 MHz	no data
Memory bandwidth	512.0 GB/s	no data
Shared memory	-	no data
Resizable BAR	+	-

Connectivity and outputs

This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.

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

API and SDK support

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

DirectX	12 Ultimate (12_2)	GDDR5
Shader Model	6.5	no data
OpenGL	4.6	no data
OpenCL	2.1	no data
Vulkan	1.2	-

Pros & cons summary

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