Radeon RX 6900 XTX vs GeForce RTX 2080 Super Max-Q

Primary details

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

Place in the ranking	138	not rated
Place by popularity	not in top-100	not in top-100
Power efficiency	30.66	no data
Architecture	Turing (2018−2022)	RDNA 2.0 (2020−2024)
GPU code name	TU104	Navi 21
Market segment	Laptop	Desktop
Release date	2 April 2020 (4 years ago)	28 October 2020 (4 years 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 cores	3072	5120
Core clock speed	735 MHz	2075 MHz
Boost clock speed	1080 MHz	2435 MHz
Number of transistors	13,600 million	26,800 million
Manufacturing process technology	12 nm	7 nm
Power consumption (TDP)	80 Watt	330 Watt
Texture fill rate	207.4	779.2
Floating-point processing power	6.636 TFLOPS	24.93 TFLOPS
ROPs	64	128
TMUs	192	320
Tensor Cores	384	no data
Ray Tracing Cores	48	80

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).

Laptop size	large	no data
Interface	PCIe 3.0 x16	PCIe 4.0 x16
Length	no data	267 mm
Width	no data	2-slot
Supplementary power connectors	None	2x 8-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	GDDR6
Maximum RAM amount	8 GB	16 GB
Memory bus width	256 Bit	256 Bit
Memory clock speed	1375 MHz	2250 MHz
Memory bandwidth	352.0 GB/s	576.0 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	No outputs	1x HDMI 2.1, 2x DisplayPort 1.4a, 1x USB Type-C
HDMI	-	+
G-SYNC support	+	-

Supported technologies

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

VR Ready

+

no data

API compatibility

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

DirectX	12 Ultimate (12_2)	12 Ultimate (12_2)
Shader Model	6.5	6.7
OpenGL	4.6	4.6
OpenCL	1.2	2.1
Vulkan	1.2.140	1.3
CUDA	7.5	-

Pros & cons summary

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Recency	2 April 2020	28 October 2020
Maximum RAM amount	8 GB	16 GB
Chip lithography	12 nm	7 nm
Power consumption (TDP)	80 Watt	330 Watt

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