NVIDIA GeForce RTX 3080 Ti 20 GB vs AMD Radeon RX 550X 640SP

VS

NVIDIA GeForce RTX 3080 Ti 20 GB AMD Radeon RX 550X 640SP

We compared two Desktop platform GPUs: 20GB VRAM GeForce RTX 3080 Ti 20 GB and 2GB VRAM Radeon RX 550X 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Ti 20 GB 's Advantages

Released 3 years and 9 months late

Boost Clock has increased by 55% (1665MHz vs 1071MHz)

More VRAM (20GB vs 2GB)

Larger VRAM bandwidth (760.3GB/s vs 96.00GB/s)

9600 additional rendering cores

AMD Radeon RX 550X 640SP 's Advantages

Lower TDP (60W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Ti 20 GB +2387%

34.1 TFLOPS

Radeon RX 550X 640SP

1.371 TFLOPS

GeForce RTX 3080 Ti 20 GB

VS

Radeon RX 550X 640SP

Graphics Card

Jan 2022

Release Date

Apr 2018

GeForce 30

Generation

Polaris

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1335 MHz

Base Clock

1019 MHz

1665 MHz

Boost Clock

1071 MHz

1188 MHz

Memory Clock

1500 MHz

Memory

20GB

Memory Size

2GB

GDDR6X

Memory Type

GDDR5

320bit

Memory Bus

128bit

760.3GB/s

Bandwidth

96.00GB/s

Render Config

80

SM Count

-

Compute Units

10

10240

Shading Units

640

320

TMUs

40

112

ROPs

16

320

Tensor Cores

-

80

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

1024 KB

Theoretical Performance

186.5 GPixel/s

Pixel Rate

17.14 GPixel/s

532.8 GTexel/s

Texture Rate

42.84 GTexel/s

34.10 TFLOPS

FP16 (half)

1371 GFLOPS

34.10 TFLOPS

FP32 (float)

1371 GFLOPS

532.8 GFLOPS

FP64 (double)

85.68 GFLOPS

Graphics Processor

GA102

GPU Name

Baffin

GA102-225-A1

GPU Variant

Baffin LE

Ampere

Architecture

GCN 4.0

Samsung

Foundry

GlobalFoundries

8 nm

Process Size

14 nm

28.3 billion

Transistors

3 billion

628 mm²

Die Size

123 mm²

Board Design

350W

TDP

60W

750 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

1x 12-pin

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2

8.6

CUDA

-

6.6

Shader Model

6.4

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