AMD Radeon R7 250X vs AMD Radeon RX 580G

VS

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R7 250X and 8GB VRAM Radeon RX 580G to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 250X 's Advantages

Lower TDP (80W vs 185W)

AMD Radeon RX 580G 's Advantages

Released 4 years and 8 months late

Boost Clock1330MHz

More VRAM (8GB vs 1GB)

Larger VRAM bandwidth (256.0GB/s vs 72.00GB/s)

1664 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 250X

1.216 TFLOPS

Radeon RX 580G +404%

6.129 TFLOPS

Radeon R7 250X

VS

Radeon RX 580G

Graphics Card

Feb 2014

Release Date

Oct 2018

Volcanic Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1257 MHz

-

Boost Clock

1330 MHz

1125 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

72.00GB/s

Bandwidth

256.0GB/s

Render Config

-

SM Count

-

10

Compute Units

36

640

Shading Units

2304

40

TMUs

144

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

Theoretical Performance

15.20 GPixel/s

Pixel Rate

42.56 GPixel/s

38.00 GTexel/s

Texture Rate

191.5 GTexel/s

-

FP16 (half)

6.129 TFLOPS

1216 GFLOPS

FP32 (float)

6.129 TFLOPS

76.00 GFLOPS

FP64 (double)

383.0 GFLOPS

Graphics Processor

Cape Verde

GPU Name

Polaris 20

Cape Verde XT

GPU Variant

Polaris 20 XTX (215-0910038)

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.5 billion

Transistors

5.7 billion

123 mm²

Die Size

232 mm²

Board Design

80W

TDP

185W

250 W

Suggested PSU

450 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

1x 8-pin

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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