AMD Radeon R7 450 OEM vs AMD Radeon RX 580G

VS

AMD Radeon R7 450 OEM

AMD Radeon RX 580G

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 450 OEM 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 450 OEM 's Advantages

Lower TDP (65W vs 185W)

AMD Radeon RX 580G 's Advantages

Released 2 years and 4 months late

Boost Clock1330MHz

More VRAM (8GB vs 2GB)

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

1792 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 450 OEM

0.947 TFLOPS

Radeon RX 580G +547%

6.129 TFLOPS

Radeon R7 450 OEM

VS

Radeon RX 580G

Graphics Card

Jun 2016

Release Date

Oct 2018

Arctic 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

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

72.00GB/s

Bandwidth

256.0GB/s

Render Config

8

Compute Units

36

-

512

Shading Units

2304

32

TMUs

144

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

14.80 GPixel/s

Pixel Rate

42.56 GPixel/s

29.60 GTexel/s

Texture Rate

191.5 GTexel/s

-

FP16 (half)

6.129 TFLOPS

947.2 GFLOPS

FP32 (float)

6.129 TFLOPS

59.20 GFLOPS

FP64 (double)

383.0 GFLOPS

Board Design

65W

TDP

185W

250 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

None

Power Connectors

1x 8-pin

Graphics Processor

Cape Verde

GPU Name

Polaris 20

Cape Verde PRO2

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

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.1

1.2.170

Vulkan

1.2

-

6.5 (5.1)

Shader Model

6.4

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