GPU comparison with benchmarks

Sapphire Radeon RX 6900 XT vs GIGABYTE GeForce RTX 3080 Vision OC 10G

Sapphire Radeon RX 6900 XT
Sapphire Radeon RX 6900 XT 16 GB GDDR6 · 2.25 GHz · 300 W Speed index 19/100

The Sapphire Radeon RX 6900 XT has 5120 shader units and these clock a maximum of 2.25 GHz which results in an FP32 computing power of 23.04 TFLOPS.

GIGABYTE GeForce RTX 3080 Vision OC 10G
GIGABYTE GeForce RTX 3080 Vision OC 10G 10 GB GDDR6X · 1.80 GHz · 320 W Speed index 26/100

The GIGABYTE GeForce RTX 3080 Vision OC 10G has 8704 shader units and these clock at a maximum of 1.80 GHz and achieve an FP32 computing power of 31.34 TFLOPS.

Quick comparison

In FP32 performance, the GIGABYTE GeForce RTX 3080 Vision OC 10G is 36 % faster than the Sapphire Radeon RX 6900 XT.

Sapphire Radeon RX 6900 XTGIGABYTE GeForce RTX 3080 Vision OC 10G
Speed index
19/100
26/100
FP32
23.04 TFLOPS
31.34 TFLOPS
Boost Clock
2.25 GHz
1.80 GHz
Memory Size
16 GB GDDR6
10 GB GDDR6X
Memory bandwidth
512 GB/s
760 GB/s
TDP
300 W
320 W
Launch Price
999 $
749 $
602 pts
586 pts

GPU

GPUSapphire Radeon RX 6900 XTGIGABYTE GeForce RTX 3080 Vision OC 10G
Based onAMD Radeon RX 6900 XTNVIDIA GeForce RTX 3080
GPU ChipNavi 21GA102-200-K1-A1
Streaming Multiprocessors8068
Shader51208704
Render Output Units12896
Texture Units320272
Raytracing Cores8068
More information
The Sapphire Radeon RX 6900 XT is equipped with a graphics chip of the RDNA 2 architecture, which has 80 streaming multiprocessors.

The graphics card GIGABYTE GeForce RTX 3080 Vision OC 10G is based on the Ampere architecture and is equipped with 68 execution units.

Memory

MemorySapphire Radeon RX 6900 XTGIGABYTE GeForce RTX 3080 Vision OC 10G
Memory Size16 GB10 GB
Memory TypeGDDR6GDDR6X
Memory Clock2.000 GHz1.188 GHz
Memory Speed16.0 Gbps19.0 Gbps
Memory bandwidth512 GB/s760 GB/s
Memory Interface256 bit320 bit
More information
The Sapphire Radeon RX 6900 XT is equipped with a 16 GB large GDDR6 graphics memory, which is equipped with 2.000 GHz clocks.

The GIGABYTE GeForce RTX 3080 Vision OC 10G has a 10 GB large GDDR6X graphics memory and the memory clock is 1.188GHz.

Clock Speeds

Clock SpeedsSapphire Radeon RX 6900 XTGIGABYTE GeForce RTX 3080 Vision OC 10G
Base Clock1.825 GHz1.440 GHz
Boost Clock2.250 GHz1.800 GHz
Avg (Game) Clock2.02 GHz--
OverclockingYesYes
More information
The Sapphire Radeon RX 6900 XT has a turbo clock of 2.250 GHz. The turbo frequency of the GIGABYTE GeForce RTX 3080 Vision OC 10G is 1.800 GHz.

Thermal Design

Thermal DesignSapphire Radeon RX 6900 XTGIGABYTE GeForce RTX 3080 Vision OC 10G
TDP300 W320 W
TDP (up)345 W370 W
Tjunction max100 °C93 °C
PCIe-Power2 x 8-Pin2 x 8-Pin
More information
The Sapphire Radeon RX 6900 XT has 2 x 8-Pin connectors through which it is supplied with power. The manufacturer specifies the maximum operating temperature of the graphics card as 100 °C.

The GIGABYTE GeForce RTX 3080 Vision OC 10G is equipped with a 2 x 8-Pin PCIe power connector that supplies it with power. The maximum operating temperature of the card is 93 °C.

Cooler & Fans

Cooler & FansSapphire Radeon RX 6900 XTGIGABYTE GeForce RTX 3080 Vision OC 10G
Fan-TypeAxialAxial
Fan 13 x 80 mm2 x 90 mm
Fan 2--1 x 80 mm
Cooler-TypeAir coolingAir cooling
Noise (Idle)0 dB0 dB
Noise (Load)--42-45 dB
More information
The graphics processor and graphics memory of the Sapphire Radeon RX 6900 XT are cooled with a Air cooling.

The GIGABYTE GeForce RTX 3080 Vision OC 10G is cooled by a Air cooling.

Connectivity

ConnectivitySapphire Radeon RX 6900 XTGIGABYTE GeForce RTX 3080 Vision OC 10G
Max. Displays44
HDCP2.32.3
HDMI1x HDMI 2.12x HDMI 2.1
DisplayPort2x DP 1.4a3x DP 1.4a
USB-C1--
More information
The Sapphire Radeon RX 6900 XT supports the downward compatible copy protection HDCP in version 2.3.

The GIGABYTE GeForce RTX 3080 Vision OC 10G supports HDCP in version 2.3 and all previous versions.

Featureset

FeaturesetSapphire Radeon RX 6900 XTGIGABYTE GeForce RTX 3080 Vision OC 10G
Max. resolution7680x43207680x4320
DirectX12_2 (Ultimate)12_2 (Ultimate)
RaytracingYesYes
DLSS / FSRYesYes
LEDNon addressable LEDGIGABYTE RGB Fusion
More information
The Sapphire Radeon RX 6900 XT supports the DirectX standard from Microsoft in version 12_2 (Ultimate).

The GIGABYTE GeForce RTX 3080 Vision OC 10G supports Microsoft's DirectX version 12_2 (Ultimate).

Supported Video Codecs

Supported Video CodecsSapphire Radeon RX 6900 XTGIGABYTE GeForce RTX 3080 Vision OC 10G
h264Decode / EncodeDecode / Encode
h265 / HEVCDecode / EncodeDecode / Encode
VP8Decode / EncodeDecode
VP9Decode / EncodeDecode
AV1DecodeDecode
More information
This area lists which video codecs can be decoded or encoded by the graphics cards in hardware. As a result, the power consumption can be reduced due to a lower processor load.

Dimensions

DimensionsSapphire Radeon RX 6900 XTGIGABYTE GeForce RTX 3080 Vision OC 10G
Length267 mm320 mm
Height120 mm126 mm
Width50 mm55 mm
Width (Slots)3 Slots3 Slots
SFF-ReadyNoNo
More information
The Sapphire Radeon RX 6900 XT is 50 mm wide and therefore needs the space of 3 PCIe-Slots in the case.

The width of the GIGABYTE GeForce RTX 3080 Vision OC 10G is 50 mm and thus requires the space of 3 PCIe-Slots in the PC case.

Additional data

Additional dataSapphire Radeon RX 6900 XTGIGABYTE GeForce RTX 3080 Vision OC 10G
GPU InterfacePCIe 4.0 x 16PCIe 4.0 x 16
Release dateQ2/2021Q4/2020
Launch Price999 $749 $
Structure size7 nm8 nm
Part-no21308-01-20GGV-N3080VISION OC-10GD
Documentsdata sheetdata sheet
More information
Manufactured using the 7 nanometer process, Sapphire Radeon RX 6900 XT was released in Q2/2021.

The GIGABYTE GeForce RTX 3080 Vision OC 10G published in Q4/2020 is manufactured with a structure width of 8 nanometers.

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 Sapphire Radeon RX 6900 XT +9.3 %

  1. 9,836
  2. 9,000

Port Royal (Raytracing) GIGABYTE GeForce RTX 3080 Vision OC 10G +19.5 %

  1. 9,889
  2. 11,821

Speed Way Graphics Score (Raytracing) GIGABYTE GeForce RTX 3080 Vision OC 10G +31.8 %

  1. 3,619
  2. 4,770

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) Sapphire Radeon RX 6900 XT +3.2 %

  1. 64 fps (avg)
  2. 62 fps (avg)

2560x1440 (1440p) Sapphire Radeon RX 6900 XT +1.4 %

  1. 75 fps (avg)
  2. 74 fps (avg)

1920x1080 (1080p) Sapphire Radeon RX 6900 XT +4.6 %

  1. 114 fps (avg)
  2. 109 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)

  1. 38 fps (avg)
  2. 38 fps (avg)

2560x1440 (1440p) GIGABYTE GeForce RTX 3080 Vision OC 10G +2.7 %

  1. 74 fps (avg)
  2. 76 fps (avg)

1920x1080 (1080p)

  1. 126 fps (avg)
  2. 126 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) Sapphire Radeon RX 6900 XT +2.8 %

  1. 110 fps (avg)
  2. 107 fps (avg)

2560x1440 (1440p) Sapphire Radeon RX 6900 XT +8.7 %

  1. 200 fps (avg)
  2. 184 fps (avg)

1920x1080 (1080p) GIGABYTE GeForce RTX 3080 Vision OC 10G +4.5 %

  1. 200 fps (avg)
  2. 209 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 GIGABYTE GeForce RTX 3080 Vision OC 10G +9.2 %

  1. 161,394
  2. 176,171

Geekbench 6 - Vulkan Sapphire Radeon RX 6900 XT +5.2 %

  1. 161,439
  2. 153,448

Geekbench 6 - Metal

  1. 235,478
  2. no data

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