NVIDIA GeForce RTX 3080 Founders Edition
vs
Sapphire Nitro+ Radeon RX 6900 XT


GPU comparison with benchmarks

The NVIDIA GeForce RTX 3080 Founders Edition is based on the NVIDIA GeForce RTX 3080 (Ampere) and has 10 GB GDDR6X graphics memory with a bandwidth of 760 GB/s.

The Sapphire Nitro+ Radeon RX 6900 XT is based on the AMD Radeon RX 6900 XT (RDNA 2) and has 16 GB GDDR6 graphics memory with a bandwidth of 512 GB/s.

GPU

The NVIDIA GeForce RTX 3080 Founders Edition has the GA102-200-K1-A1 graphics chip installed, which is based on the Ampere architecture.

The Sapphire Nitro+ Radeon RX 6900 XT is based on the graphics chip Navi 21, which comes from the RDNA 2 architecture.
NVIDIA GeForce RTX 3080 Founders Edition GPU Sapphire Nitro+ Radeon RX 6900 XT
NVIDIA GeForce RTX 3080 Based on AMD Radeon RX 6900 XT
GA102-200-K1-A1 GPU Chip Navi 21
Ampere Architecture RDNA 2
68 Streaming Multiprocessors 80
8704 Shader 5120
96 Render Output Units 128
272 Texture Units 320
68 Raytracing Cores 80

Memory

The graphics memory of the NVIDIA GeForce RTX 3080 Founders Edition clocks at 1.188 GHz, which corresponds to a speed of 19.0 Gbps.

The graphics memory speed of the Sapphire Nitro+ Radeon RX 6900 XT is 16.0 Gbps and the clock speed is 2.000 GHz.

10 GB Memory Size 16 GB
GDDR6X Memory Type GDDR6
1.188 GHz Memory Clock 2.000 GHz
19.0 Gbps Memory Speed 16.0 Gbps
760 GB/s Memory bandwidth 512 GB/s
320 bit Memory Interface 256 bit

Clock Speeds

The clock frequency of a graphics card determines the speed in connection with the graphics architecture.

1.440 GHz Base Clock 1.825 GHz
1.710 GHz Boost Clock 2.285 GHz
Avg (Game) Clock 2.05 GHz
Yes Overclocking Yes

Thermal Design

The NVIDIA GeForce RTX 3080 Founders Edition is powered by 2 x 8-Pin connectors. The TDP (Thermal Design Power) of the graphics card is 320 W.

The Sapphire Nitro+ Radeon RX 6900 XT has 2 x 8-Pin PCIe power connectors that supply it with energy. The manufacturer specifies the TDP of the card as 340 W.

320 W TDP 340 W
370 W TDP (up) 390 W
93 °C Tjunction max 100 °C
2 x 8-Pin PCIe-Power 2 x 8-Pin

Cooler & Fans

The NVIDIA GeForce RTX 3080 Founders Edition is equipped with a total of 2 Axial main fans.

The Sapphire Nitro+ Radeon RX 6900 XT has 3 Axial main fans that cool the GPU and memory.

Axial Fan-Type Axial
2 x 85 mm Fan 1 2 x 100 mm
-- Fan 2 1 x 90 mm
Air cooling Cooler-Type Air cooling
0 dB Noise (Idle) 0 dB
43 dB Noise (Load) 33 dB

Connectivity

Up to 4 screens can be operated with the NVIDIA GeForce RTX 3080 Founders Edition.

The Sapphire Nitro+ Radeon RX 6900 XT supports the operation of a maximum of 4 monitors.

4 Max. Displays 4
2.3 HDCP-Version 2.3
1x HDMI v2.1 HDMI Ports 1x HDMI v2.1
3x DP v1.4a DP Ports 3x DP v1.4a
-- DVI Ports --
-- VGA Ports --
-- USB-C Ports --

Featureset

With the NVIDIA GeForce RTX 3080 Founders Edition it is possible to operate a screen with a maximum resolution of up to 7680x4320 pixels.

The maximum supported resolution of the Sapphire Nitro+ Radeon RX 6900 XT is 7680x4320 pixels.

7680x4320 Max. resolution 7680x4320
12_2 (Ultimate) DirectX 12_2 (Ultimate)
Yes Raytracing Yes
Yes DLSS / FSR Yes
No LED lighting LED Addressable LED

Supported Video Codecs

The support and acceleration of certain video codecs can have a positive impact on the lower energy consumption and less waste heat from the graphics card.

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

Dimensions

The NVIDIA GeForce RTX 3080 Founders Edition is connected to the system via PCIe 4.0 x 16 lanes and requires 2 PCIe-Slots space in the housing.

The Sapphire Nitro+ Radeon RX 6900 XT needs the space of 3 PCIe-Slots in the case and has a PCIe 4.0 x 16 Lanes interface.

285 mm Length 310 mm
110 mm Height 134 mm
-- Width 55 mm
2 PCIe-Slots Width (Slots) 3 PCIe-Slots
1350 g Weight 1300 g
PCIe 4.0 x 16 GPU Interface PCIe 4.0 x 16

Additional data

The NVIDIA GeForce RTX 3080 Founders Edition has been manufactured with a structure width of 8 nanometers since Q3/2020.

The Sapphire Nitro+ Radeon RX 6900 XT came on the market in Q4/2020 and will have a structure width of 7 nanometers manufactured.

-- Part-no 11308-01-20G
Q3/2020 Release date Q4/2020
699 $ Launch Price 999 $
8 nm Structure size 7 nm
-- Documents data sheet

Rate these graphics cards now

Here you can rate the NVIDIA GeForce RTX 3080 Founders Edition to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:
Here you can rate the Sapphire Nitro+ Radeon RX 6900 XT 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)

2560x1440 (1440p)

1920x1080 (1080p)

NVIDIA GeForce RTX 3080 Founders Edition NVIDIA GeForce RTX 3080 Founders Edition
10 GB GDDR6X
104 fps (avg)
Sapphire Nitro+ Radeon RX 6900 XT Sapphire Nitro+ Radeon RX 6900 XT
16 GB GDDR6
116 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)

2560x1440 (1440p)

1920x1080 (1080p)

NVIDIA GeForce RTX 3080 Founders Edition NVIDIA GeForce RTX 3080 Founders Edition
10 GB GDDR6X
120 fps (avg)
Sapphire Nitro+ Radeon RX 6900 XT Sapphire Nitro+ Radeon RX 6900 XT
16 GB GDDR6
128 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)

NVIDIA GeForce RTX 3080 Founders Edition NVIDIA GeForce RTX 3080 Founders Edition
10 GB GDDR6X
102 fps (avg)
Sapphire Nitro+ Radeon RX 6900 XT Sapphire Nitro+ Radeon RX 6900 XT
16 GB GDDR6
112 fps (avg)

2560x1440 (1440p)

NVIDIA GeForce RTX 3080 Founders Edition NVIDIA GeForce RTX 3080 Founders Edition
10 GB GDDR6X
175 fps (avg)
Sapphire Nitro+ Radeon RX 6900 XT Sapphire Nitro+ Radeon RX 6900 XT
16 GB GDDR6
203 fps (avg)

1920x1080 (1080p)

NVIDIA GeForce RTX 3080 Founders Edition NVIDIA GeForce RTX 3080 Founders Edition
10 GB GDDR6X
199 fps (avg)
Sapphire Nitro+ Radeon RX 6900 XT Sapphire Nitro+ Radeon RX 6900 XT
16 GB GDDR6
203 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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