AMD Radeon RX 550X 640SP vs NVIDIA TITAN RTX

VS

AMD Radeon RX 550X 640SP

NVIDIA TITAN RTX

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550X 640SP and 24GB VRAM TITAN RTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550X 640SP 's Advantages

Lower TDP (60W vs 280W)

NVIDIA TITAN RTX 's Advantages

Released 8 months late

Boost Clock has increased by 65% (1770MHz vs 1071MHz)

More VRAM (24GB vs 2GB)

Larger VRAM bandwidth (672.0GB/s vs 96.00GB/s)

3968 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550X 640SP

1.371 TFLOPS

TITAN RTX +1089%

16.31 TFLOPS

Radeon RX 550X 640SP

VS

TITAN RTX

Graphics Card

Apr 2018

Release Date

Dec 2018

Polaris

Generation

GeForce 20

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1019 MHz

Base Clock

1350 MHz

1071 MHz

Boost Clock

1770 MHz

1500 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

24GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

384bit

96.00GB/s

Bandwidth

672.0GB/s

Render Config

10

Compute Units

-

SM Count

72

640

Shading Units

4608

40

TMUs

288

16

ROPs

96

-

Tensor Cores

576

-

RT Cores

72

16 KB (per CU)

L1 Cache

64 KB (per SM)

1024 KB

L2 Cache

6 MB

-

Theoretical Performance

17.14 GPixel/s

Pixel Rate

169.9 GPixel/s

42.84 GTexel/s

Texture Rate

509.8 GTexel/s

1371 GFLOPS

FP16 (half)

32.62 TFLOPS

1371 GFLOPS

FP32 (float)

16.31 TFLOPS

85.68 GFLOPS

FP64 (double)

509.8 GFLOPS

Board Design

60W

TDP

280W

250 W

Suggested PSU

600 W

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

Outputs

1x HDMI 2.0 3x DisplayPort 1.4a 1x USB Type-C

None

Power Connectors

2x 8-pin

Graphics Processor

Baffin

GPU Name

TU102

Baffin LE

GPU Variant

TU102-400-A1

GCN 4.0

Architecture

Turing

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

12 nm

3 billion

Transistors

18.6 billion

123 mm²

Die Size

754 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

7.5

6.4

Shader Model

6.6

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