NVIDIA GeForce RTX 3090 vs AMD Radeon 550X 640SP

VS

NVIDIA GeForce RTX 3090 AMD Radeon 550X 640SP

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 3090 and 4GB VRAM Radeon 550X 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3090 's Advantages

Released 2 years and 5 months late

Boost Clock has increased by 58% (1695MHz vs 1071MHz)

More VRAM (24GB vs 4GB)

Larger VRAM bandwidth (936.2GB/s vs 48.00GB/s)

9856 additional rendering cores

AMD Radeon 550X 640SP 's Advantages

Lower TDP (50W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3090 +2495%

35.58 TFLOPS

Radeon 550X 640SP

1.371 TFLOPS

GeForce RTX 3090

VS

Radeon 550X 640SP

Graphics Card

Sep 2020

Release Date

Apr 2018

GeForce 30

Generation

Polaris

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1395 MHz

Base Clock

1019 MHz

1695 MHz

Boost Clock

1071 MHz

1219 MHz

Memory Clock

1500 MHz

Memory

24GB

Memory Size

4GB

GDDR6X

Memory Type

GDDR5

384bit

Memory Bus

64bit

936.2GB/s

Bandwidth

48.00GB/s

Render Config

82

SM Count

-

Compute Units

10

10496

Shading Units

640

328

TMUs

40

112

ROPs

16

328

Tensor Cores

-

82

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

256 KB

Theoretical Performance

189.8 GPixel/s

Pixel Rate

17.14 GPixel/s

556.0 GTexel/s

Texture Rate

42.84 GTexel/s

35.58 TFLOPS

FP16 (half)

1371 GFLOPS

35.58 TFLOPS

FP32 (float)

1371 GFLOPS

556.0 GFLOPS

FP64 (double)

85.68 GFLOPS

Graphics Processor

GA102

GPU Name

Lexa

GA102-300-A1

GPU Variant

Lexa PRO (215-0904018)

Ampere

Architecture

GCN 4.0

Samsung

Foundry

GlobalFoundries

8 nm

Process Size

14 nm

28.3 billion

Transistors

2.2 billion

628 mm²

Die Size

103 mm²

Board Design

350W

TDP

50W

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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