AMD Radeon R7 250X vs AMD Radeon RX 550X

VS

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R7 250X and 4GB VRAM Radeon RX 550X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 250X 's Advantages

128 additional rendering cores

AMD Radeon RX 550X 's Advantages

Released 4 years and 10 months late

Boost Clock1183MHz

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (96.00GB/s vs 72.00GB/s)

Lower TDP (50W vs 80W)

Score

Benchmark

FP32 (float)

Radeon R7 250X

1.216 TFLOPS

Radeon RX 550X

1.211 TFLOPS

Radeon R7 250X

VS

Radeon RX 550X

Graphics Card

Feb 2014

Release Date

Dec 2018

Volcanic Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1100 MHz

-

Boost Clock

1183 MHz

1125 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

96.00GB/s

Render Config

-

SM Count

-

10

Compute Units

8

640

Shading Units

512

40

TMUs

32

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

15.20 GPixel/s

Pixel Rate

18.93 GPixel/s

38.00 GTexel/s

Texture Rate

37.86 GTexel/s

-

FP16 (half)

1211 GFLOPS

1216 GFLOPS

FP32 (float)

1211 GFLOPS

76.00 GFLOPS

FP64 (double)

75.71 GFLOPS

Graphics Processor

Cape Verde

GPU Name

Lexa

Cape Verde XT

GPU Variant

Lexa PRO (215-0904018)

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.5 billion

Transistors

2.2 billion

123 mm²

Die Size

103 mm²

Board Design

80W

TDP

50W

250 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

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

1x 6-pin

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

CUDA

-

5.1

Shader Model

6.4

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