AMD Radeon RX 6900 XT
vs
ASUS ROG Strix LC Radeon RX 6800 XT OC


GPU comparison with benchmarks

In the gpu comparison between the AMD Radeon RX 6900 XT and the ASUS ROG Strix LC Radeon RX 6800 XT OC, we compare both the technical data and the benchmark results of the two graphics cards.

GPU

The AMD Radeon RX 6900 XT is based on the AMD Radeon RX 6900 XT and has 5120 texture shaders and 80 execution units.

ASUS ROG Strix LC Radeon RX 6800 XT OC is based on AMD Radeon RX 6800 XT, which has 4608 shaders and 72 execution units.
AMD Radeon RX 6900 XT GPU ASUS ROG Strix LC Radeon RX 6800 XT OC
AMD Radeon RX 6900 XT Based on AMD Radeon RX 6800 XT
Navi 21 GPU Chip Navi 21 XT
RDNA 2 Architecture RDNA 2
80 Streaming Multiprocessors 72
5120 Shader 4608
128 Render Output Units 128
320 Texture Units 288
80 Raytracing Cores 72

Memory

The AMD Radeon RX 6900 XT has 16 GB of graphics memory of the type GDDR6 and achieves a memory bandwidth of 512 GB/s.

The ASUS ROG Strix LC Radeon RX 6800 XT OC can access 16 GB GDDR6 graphics memory and thus achieves a memory bandwidth of 512 GB/s.

16 GB Memory Size 16 GB
GDDR6 Memory Type GDDR6
2.000 GHz Memory Clock 2.000 GHz
16.0 Gbps Memory Speed 16.0 Gbps
512 GB/s Memory bandwidth 512 GB/s
256 bit Memory Interface 256 bit

Clock Speeds

The AMD Radeon RX 6900 XT clocks in the base with up to 1.825 GHz. The base frequency of the ASUS ROG Strix LC Radeon RX 6800 XT OC is 1.925 GHz.

1.825 GHz Base Clock 1.925 GHz
2.250 GHz Boost Clock 2.360 GHz
2.02 GHz Avg (Game) Clock 2.11 GHz
Yes Overclocking Yes

Thermal Design

The TDP (Thermal Design Power) of the AMD Radeon RX 6900 XT is 300 W. The graphics card is supplied with energy via the 2 x 8-Pin connector.

The ASUS ROG Strix LC Radeon RX 6800 XT OC has a TDP of 300 W and is supplied with the required energy via 2 x 8-Pin PCIe power connectors.

300 W TDP 300 W
345 W TDP (up) 345 W
100 °C Tjunction max 100 °C
2 x 8-Pin PCIe-Power 2 x 8-Pin

Cooler & Fans

The AMD Radeon RX 6900 XT has a total of 3 Axial fans.

The ASUS ROG Strix LC Radeon RX 6800 XT OC has 3 Axial fans to cool the GPU and memory.

Axial Fan-Type Axial
3 x 80 mm Fan 1 1 x 80 mm
-- Fan 2 2 x 120 mm
Air cooling Cooler-Type AIO water cooling
0 dB Noise (Idle) 0 dB
38 dB Noise (Load) 37-38 dB

Connectivity

In the connectivity category, we recorded the number of ports on a graphics card. A total of 4 screens can be connected to the AMD Radeon RX 6900 XT.

The ASUS ROG Strix LC Radeon RX 6800 XT OC supports a maximum of 4 screens.

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

Featureset

The AMD Radeon RX 6900 XT supports a maximum resolution of 7680x4320 pixels.

The maximum resolution of the ASUS ROG Strix LC Radeon RX 6800 XT OC is 7680x4320 pixels.

7680x4320 Max. resolution 7680x4320
12_2 (Ultimate) DirectX 12_2 (Ultimate)
Yes Raytracing Yes
Yes DLSS / FSR Yes
Non addressable LED LED ASUS Aura Sync

Supported Video Codecs

The support and acceleration of certain video codecs directly in the graphics card reduces the load when playing or creating videos.

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

Dimensions

The AMD Radeon RX 6900 XT is 267 mm long, 120 mm high and -- wide.

The ASUS ROG Strix LC Radeon RX 6800 XT OC is 277 mm long, 131 mm high and 44 mm wide.

267 mm Length 277 mm
120 mm Height 131 mm
-- Width 44 mm
3 PCIe-Slots Width (Slots) 2 PCIe-Slots
1492 g Weight --
PCIe 4.0 x 16 GPU Interface PCIe 4.0 x 16

Additional data

The AMD Radeon RX 6900 XT was released in Q4/2020 at a price of 999 $.

The ASUS ROG Strix LC Radeon RX 6800 XT OC was introduced in Q1/2021 at a price of 999 $.

102-D412 Part-no ROG-STRIX-LC-RX6800XT-O16G-GAMING
Q4/2020 Release date Q1/2021
999 $ Launch Price 999 $
7 nm Structure size 7 nm
data sheet Documents data sheet

Rate these graphics cards now

Here you can rate the AMD Radeon RX 6900 XT to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:
Here you can rate the ASUS ROG Strix LC Radeon RX 6800 XT OC to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:

Benchmark results

3DMark Benchmark (DirectX, Raytracing)

3DMark is a benchmark program that determines the performance of certain components of a computer and then reports the performance as a numerical value.

Time Spy Extreme Graphics score

Port Royal (Raytracing)

Speed Way Graphics Score (Raytracing)

Cyberpunk 2077

Cyberpunk 2077 was developed by CD Projekt Red and is based on the development studio's own REDengine 4. Ray tracing is switched off in our benchmarks.

3840x2160 (2160p)

AMD Radeon RX 6900 XT AMD Radeon RX 6900 XT
16 GB GDDR6
64 fps (avg)
ASUS ROG Strix LC Radeon RX 6800 XT OC ASUS ROG Strix LC Radeon RX 6800 XT OC
16 GB GDDR6
62 fps (avg)

2560x1440 (1440p)

AMD Radeon RX 6900 XT AMD Radeon RX 6900 XT
16 GB GDDR6
75 fps (avg)
ASUS ROG Strix LC Radeon RX 6800 XT OC ASUS ROG Strix LC Radeon RX 6800 XT OC
16 GB GDDR6
71 fps (avg)

1920x1080 (1080p)

AMD Radeon RX 6900 XT AMD Radeon RX 6900 XT
16 GB GDDR6
114 fps (avg)
ASUS ROG Strix LC Radeon RX 6800 XT OC ASUS ROG Strix LC Radeon RX 6800 XT OC
16 GB GDDR6
107 fps (avg)

The Last of Us Part 1

The Last of Us Part One is a game released by Sony in June 2013 exclusively for the Playstation and released for the PC in early 2023. The benchmark values here were determined at high details.

3840x2160 (2160p)

AMD Radeon RX 6900 XT AMD Radeon RX 6900 XT
16 GB GDDR6
38 fps (avg)
ASUS ROG Strix LC Radeon RX 6800 XT OC ASUS ROG Strix LC Radeon RX 6800 XT OC
16 GB GDDR6
34 fps (avg)

2560x1440 (1440p)

AMD Radeon RX 6900 XT AMD Radeon RX 6900 XT
16 GB GDDR6
74 fps (avg)
ASUS ROG Strix LC Radeon RX 6800 XT OC ASUS ROG Strix LC Radeon RX 6800 XT OC
16 GB GDDR6
67 fps (avg)

1920x1080 (1080p)

AMD Radeon RX 6900 XT AMD Radeon RX 6900 XT
16 GB GDDR6
126 fps (avg)
ASUS ROG Strix LC Radeon RX 6800 XT OC ASUS ROG Strix LC Radeon RX 6800 XT OC
16 GB GDDR6
117 fps (avg)

Battlefield 5

Battlefield 5 is a visually stunning game that is ideal as a graphics card benchmark. We test the game with maximum details on Windows 10.

3840x2160 (2160p)

AMD Radeon RX 6900 XT AMD Radeon RX 6900 XT
16 GB GDDR6
110 fps (avg)
ASUS ROG Strix LC Radeon RX 6800 XT OC ASUS ROG Strix LC Radeon RX 6800 XT OC
16 GB GDDR6
110 fps (avg)

2560x1440 (1440p)

AMD Radeon RX 6900 XT AMD Radeon RX 6900 XT
16 GB GDDR6
200 fps (avg)
ASUS ROG Strix LC Radeon RX 6800 XT OC ASUS ROG Strix LC Radeon RX 6800 XT OC
16 GB GDDR6
189 fps (avg)

1920x1080 (1080p)

AMD Radeon RX 6900 XT AMD Radeon RX 6900 XT
16 GB GDDR6
200 fps (avg)
ASUS ROG Strix LC Radeon RX 6800 XT OC ASUS ROG Strix LC Radeon RX 6800 XT OC
16 GB GDDR6
210 fps (avg)

Geekbench 6 (OpenCL, Vulkan, Metal)

Geekbench 6 is a cross-platform benchmark for main processors, which also carries out 3 different graphics benchmarks and outputs them in the form of a numerical value.

Geekbench 6 - OpenCL

Geekbench 6 - Vulkan

Geekbench 6 - Metal

FP32 Performance (Single-precision TFLOPS)

The theoretical computing power of the graphics card with single precision (32 bit) in TFLOPS indicates how many trillion FP32 floating point operations the graphics card (GPU) can perform per second.

FP32 (TFLOPS)

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