XFX Radeon RX 6800 XT vs AMD Radeon RX 7900 XT differences in specs

Comparison of XFX Radeon RX 6800 XT and AMD Radeon RX 7900 XT graphics cards based on specifications and benchmarks. The XFX Radeon RX 6800 XT operates at a base clock speed of 1.825 GHz and has 16 GB of GDDR6 memory, while the AMD Radeon RX 7900 XT operates at a base clock speed of 1.825 GHz and has 20 GB of GDDR6 memory. The weights differ at 1500 g and -- respectively. The TDP of the XFX Radeon RX 6800 XT is 300 W, while that of the AMD Radeon RX 7900 XT is 300 W. Compare the benchmark results to determine which graphics card is superior.

Differences Specifications Benchmarks

Differences

Top features of XFX Radeon RX 6800 XT

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Higher clock speed

1.825 GHz 1.500 GHz

Around 18% better clock speed

Top features of AMD Radeon RX 7900 XT

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More memory

20 GB 16 GB

20% more memory

Specifications

Complete list of technical specifications

XFX Radeon RX 6800 XT AMD Radeon RX 7900 XT

Graphics processing unit (GPU)

Contrast the GPU cores between XFX Radeon RX 6800 XT and AMD Radeon RX 7900 XT graphics cards. The GPU core details encompass the quantity of blocks (referred to as Shader Engine (SE) in AMD documentation and Graphics Processing Clusters (GPC) in Nvidia documentation) as well as ROP/TMUs (Raster Processing Units). These specifications significantly impact the computational prowess of the GPU.

Specification	Value
Based on	AMD Radeon RX 6800 XT AMD Radeon RX 7900 XT
GPU Chip	Navi 21 XT Navi 31 (RDNA 3)
Execution units	72 84
Shader	4608 5376
Render Output Units	128 192
Texture Units	288 336

Memory

Compare the quantity, type, and speed of memory, as well as the bandwidth, in XFX Radeon RX 6800 XT and AMD Radeon RX 7900 XT GPUs. Ample graphics memory, high frequency, and sufficient bandwidth contribute positively to high-resolution texture processing speed.

Specification	Value
Memory Size	16 GB 20 GB
Memory Type	GDDR6 GDDR6
Memory Speed	2 GHz 20 Gbps
Memory Bandwith	512 GB/s 800 GB/s
Memory Interface	256 bit 320 bit

Clock Speeds

Explore the base and maximum frequencies of XFX Radeon RX 6800 XT and AMD Radeon RX 7900 XT graphics cards. BIOS does not display these values, but diagnostic utilities like GPU-Z or Everest can provide insights.

Specification	Value
Base Clock	1.825 GHz 1.500 GHz
Boost Clock	2.250 GHz 2.400 GHz
Avg (Game) Clock	2.015 GHz 2.000 GHz
Overclocking	Yes Yes

Thermal Design

Let's contrast the thermal design power of XFX Radeon RX 6800 XT and AMD Radeon RX 7900 XT GPUs. The TDP figure dictates the maximum power consumption of your graphics card. Computer ventilation and power supply specifications frequently align with TDP numbers and should be tailored accordingly.

Specification	Value
TDP	300 W 300 W
TDP (up)	345 W --
Tjunction max	96 °C --
PCIe-Power	2 x 8-Pin 2 x 8-Pin

Cooler & Fans

In this section, we'll examine the cooling solutions for XFX Radeon RX 6800 XT and AMD Radeon RX 7900 XT, along with their dimensions and effectiveness. Typically, fans with larger diameters hold an advantage as they can move equivalent air volumes at lower speeds compared to smaller fans. It's worth noting that liquid cooling systems, in addition to fans and aluminum radiators, require a pump, which may contribute to noise levels.

Specification	Value
Fan-Type	Axial Axial
Cooler-Type	Air cooling Air cooling
Fan 1	3 x 80 mm 3 x 90 mm
Noise (Idle)	0 dB / Silent 0 dB / Silent
Noise (Load)	37 dB --

Connectivity

Discover the quantity and varieties of sockets for video output and connectivity in XFX Radeon RX 6800 XT and AMD Radeon RX 7900 XT GPUs.

Specification	Value
Max. Displays	4 4
HDCP-Version	2.3 2.3
HDMI Ports	1x HDMI v2.1 1x HDMI v2.1
DP Ports	2x DP v1.4a 2x DP v2.1
USB-C Ports	1 1

Featureset

Within this segment, we shall delve into the functionalities of XFX Radeon RX 6800 XT and AMD Radeon RX 7900 XT GPUs. Furthermore, we've incorporated ray tracing support to accurately simulate light rays and shadows. Please note that the specifics may vary slightly depending on the manufacturer.

Specification	Value
Max. resolution	7680x4320 7680x4320
DirectX	12_2 12_2 (Ultimate)
Raytracing	Yes Yes
DLSS / FSR	No Yes
LED	Non addressable LED No LED lighting

Supported Video Codecs

Explore the support for popular codecs h264, VP8, h265 / HEVC, VP9, and AV1 in XFX Radeon RX 6800 XT and AMD Radeon RX 7900 XT. The inclusion of these video codecs assists in alleviating the workload on the graphics card during video playback or creation, leading to decreased power consumption and heat generation by the GPU.

Specification	Value
h264	Decode / Encode Decode / Encode
VP8	Decode / Encode Decode / Encode
h265 / HEVC	Decode / Encode Decode / Encode
VP9	Decode / Encode Decode / Encode
AV1	Decode Decode / Encode

Dimensions

Explore the dimensions comparison of the XFX Radeon RX 6800 XT and AMD Radeon RX 7900 XT graphics cards. Having precise measurements enables you to determine compatibility with your PC case. Additionally, we've incorporated support for the PCI Express bus.

Specification	Value
Length	267 mm 276 mm
Height	120 mm 113 mm
Width	50 mm 51 mm
Width (Slots)	3 PCIe-Slots 3 PCIe-Slots
Weight	1500 g --

Additional data

Explore details regarding the classification (for desktops or laptops) and architecture of XFX Radeon RX 6800 XT and AMD Radeon RX 7900 XT, alongside their respective release dates and current prices. Access the GPU specifications directly from the manufacturer through the provided link.

Specification	Value
GPU Interface	PCIe 4.0 x 16 PCIe 4 x 16
Release date	Q2/2021 Q4/2022
Structure size	7 nm 5 nm
Part-no	RX-68TMATFD8 --
Documents	data sheet data sheet