ASUS ROG Strix GeForce RTX 3090
vs
ASUS ROG Poseidon GeForce GTX 1080 Ti Platinum edition


GPU comparison with benchmarks

The ASUS ROG Strix GeForce RTX 3090 is based on the NVIDIA GeForce RTX 3090 (Ampere) and has 24 GB GDDR6X graphics memory with a bandwidth of 936 GB/s.

The ASUS ROG Poseidon GeForce GTX 1080 Ti Platinum edition is based on the NVIDIA GeForce GTX 1080 Ti (Pascal) and has 11 GB GDDR5X graphics memory with a bandwidth of 484 GB/s.

GPU

The ASUS ROG Strix GeForce RTX 3090 has the GA102-300-A1 graphics chip installed, which is based on the Ampere architecture.

The ASUS ROG Poseidon GeForce GTX 1080 Ti Platinum edition is based on the graphics chip GP102-350-K1-A1, which comes from the Pascal architecture.
ASUS ROG Strix GeForce RTX 3090 GPU ASUS ROG Poseidon GeForce GTX 1080 Ti Platinum edition
NVIDIA GeForce RTX 3090 Based on NVIDIA GeForce GTX 1080 Ti
GA102-300-A1 GPU Chip GP102-350-K1-A1
Ampere Architecture Pascal
82 Streaming Multiprocessors 28
10496 Shader 3584
112 Render Output Units 88
328 Texture Units 224
82 Raytracing Cores 0

Memory

The graphics memory of the ASUS ROG Strix GeForce RTX 3090 clocks at 1.219 GHz, which corresponds to a speed of 19.5 Gbps.

The graphics memory speed of the ASUS ROG Poseidon GeForce GTX 1080 Ti Platinum edition is 11.1 Gbps and the clock speed is 1.388 GHz.

24 GB Memory Size 11 GB
GDDR6X Memory Type GDDR5X
1.219 GHz Memory Clock 1.388 GHz
19.5 Gbps Memory Speed 11.1 Gbps
936 GB/s Memory bandwidth 484 GB/s
384 bit Memory Interface 352 bit

Clock Speeds

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

1.395 GHz Base Clock 1.594 GHz
1.725 GHz Boost Clock 1.733 GHz
1.70 GHz Avg (Game) Clock 1.71 GHz
Yes Overclocking Yes

Thermal Design

The ASUS ROG Strix GeForce RTX 3090 is powered by 3 x 8-Pin connectors. The TDP (Thermal Design Power) of the graphics card is 350 W.

The ASUS ROG Poseidon GeForce GTX 1080 Ti Platinum edition has 2 x 8-Pin PCIe power connectors that supply it with energy. The manufacturer specifies the TDP of the card as 250 W.

350 W TDP 250 W
430 W TDP (up) --
93 °C Tjunction max 91 °C
3 x 8-Pin PCIe-Power 2 x 8-Pin

Cooler & Fans

The ASUS ROG Strix GeForce RTX 3090 is equipped with a total of 3 Axial main fans.

The ASUS ROG Poseidon GeForce GTX 1080 Ti Platinum edition has 2 Axial main fans that cool the GPU and memory.

Axial Fan-Type Axial
3 x 95 mm Fan 1 2 x 95 mm
-- Fan 2 --
Air cooling Cooler-Type Water cooling
0 dB Noise (Idle) 0 dB
38-45 dB Noise (Load) --

Connectivity

Up to 4 screens can be operated with the ASUS ROG Strix GeForce RTX 3090.

The ASUS ROG Poseidon GeForce GTX 1080 Ti Platinum edition supports the operation of a maximum of 4 monitors.

4 Max. Displays 4
2.3 HDCP-Version 2.2
2x HDMI v2.1 HDMI Ports 2x HDMI v2.0b
3x DP v1.4a DP Ports 2x DP v1.4
-- DVI Ports 1
-- VGA Ports --
-- USB-C Ports --

Featureset

With the ASUS ROG Strix GeForce RTX 3090 it is possible to operate a screen with a maximum resolution of up to 7680x4320 pixels.

The maximum supported resolution of the ASUS ROG Poseidon GeForce GTX 1080 Ti Platinum edition is 7680x4320 pixels.

7680x4320 Max. resolution 7680x4320
12_2 (Ultimate) DirectX 12_1
Yes Raytracing No
Yes DLSS / FSR Yes
ASUS Aura Sync LED ASUS Aura Sync

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 No
Decode VP8 Decode
Decode VP9 Decode

Dimensions

The ASUS ROG Strix GeForce RTX 3090 is connected to the system via PCIe 4.0 x 16 lanes and requires 3 PCIe-Slots space in the housing.

The ASUS ROG Poseidon GeForce GTX 1080 Ti Platinum edition needs the space of 3 PCIe-Slots in the case and has a PCIe 3.0 x 16 Lanes interface.

319 mm Length 298 mm
140 mm Height 158 mm
58 mm Width 50 mm
3 PCIe-Slots Width (Slots) 3 PCIe-Slots
1810 g Weight --
PCIe 4.0 x 16 GPU Interface PCIe 3.0 x 16
No SFF-Ready No

Additional data

The ASUS ROG Strix GeForce RTX 3090 has been manufactured with a structure width of 8 nanometers since Q4/2020.

The ASUS ROG Poseidon GeForce GTX 1080 Ti Platinum edition came on the market in Q1/2017 and will have a structure width of 16 nanometers manufactured.

ROG-STRIX-RTX3090-24G-GAMING Part-no ROG-POSEIDON-GTX1080TI-P11G-GAMING
Q4/2020 Release date Q1/2017
1,639 $ Launch Price 699 $ (Reference)
8 nm Structure size 16 nm
data sheet Documents data sheet

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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)

ASUS ROG Strix GeForce RTX 3090 ASUS ROG Strix GeForce RTX 3090
24 GB GDDR6X
65 fps (avg)

2560x1440 (1440p)

ASUS ROG Strix GeForce RTX 3090 ASUS ROG Strix GeForce RTX 3090
24 GB GDDR6X
79 fps (avg)

1920x1080 (1080p)

ASUS ROG Strix GeForce RTX 3090 ASUS ROG Strix GeForce RTX 3090
24 GB GDDR6X
115 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)

ASUS ROG Strix GeForce RTX 3090 ASUS ROG Strix GeForce RTX 3090
24 GB GDDR6X
43 fps (avg)

2560x1440 (1440p)

ASUS ROG Strix GeForce RTX 3090 ASUS ROG Strix GeForce RTX 3090
24 GB GDDR6X
81 fps (avg)

1920x1080 (1080p)

ASUS ROG Strix GeForce RTX 3090 ASUS ROG Strix GeForce RTX 3090
24 GB GDDR6X
132 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)

2560x1440 (1440p)

1920x1080 (1080p)

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

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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