AMD Radeon R7 250X vs AMD Radeon RX 550X 640SP

VS

AMD Radeon R7 250X

AMD Radeon RX 550X 640SP

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R7 250X and 2GB VRAM Radeon RX 550X 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550X 640SP 's Advantages

Released 4 years and 2 months late

Boost Clock1071MHz

More VRAM (2GB vs 1024GB)

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

Lower TDP (60W vs 80W)

Score

Benchmark

FP32 (float)

Radeon R7 250X

1.216 TFLOPS

Radeon RX 550X 640SP +12%

1.371 TFLOPS

Radeon R7 250X

VS

Radeon RX 550X 640SP

Graphics Card

Feb 2014

Release Date

Apr 2018

Volcanic Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1019 MHz

-

Boost Clock

1071 MHz

1125 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

96.00GB/s

Render Config

10

Compute Units

10

-

640

Shading Units

640

40

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

15.20 GPixel/s

Pixel Rate

17.14 GPixel/s

38.00 GTexel/s

Texture Rate

42.84 GTexel/s

-

FP16 (half)

1371 GFLOPS

1216 GFLOPS

FP32 (float)

1371 GFLOPS

76.00 GFLOPS

FP64 (double)

85.68 GFLOPS

Board Design

80W

TDP

60W

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 Processor

Cape Verde

GPU Name

Baffin

Cape Verde XT

GPU Variant

Baffin LE

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.5 billion

Transistors

3 billion

123 mm²

Die Size

123 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

5.1

Shader Model

6.4

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