AMD Radeon RX 5300 vs AMD Radeon HD 8870 OEM

VS

AMD Radeon RX 5300

AMD Radeon HD 8870 OEM

We compared two Desktop platform GPUs: 3GB VRAM Radeon RX 5300 and 2GB VRAM Radeon HD 8870 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 5300 's Advantages

Released 7 years and 4 months late

Boost Clock1645MHz

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (168.0GB/s vs 153.6GB/s)

128 additional rendering cores

Lower TDP (100W vs 175W)

Score

Benchmark

FP32 (float)

Radeon RX 5300 +80%

4.632 TFLOPS

Radeon HD 8870 OEM

2.56 TFLOPS

Radeon RX 5300

VS

Radeon HD 8870 OEM

Graphics Card

May 2020

Release Date

Jan 2013

Navi

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1327 MHz

Base Clock

-

1645 MHz

Boost Clock

-

1750 MHz

Memory Clock

1200 MHz

Memory

3GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

96bit

Memory Bus

256bit

168.0GB/s

Bandwidth

153.6GB/s

Render Config

22

Compute Units

20

-

1408

Shading Units

1280

88

TMUs

80

32

ROPs

32

-

L1 Cache

16 KB (per CU)

1536 KB

L2 Cache

512 KB

-

Theoretical Performance

52.64 GPixel/s

Pixel Rate

32.00 GPixel/s

144.8 GTexel/s

Texture Rate

80.00 GTexel/s

9.265 TFLOPS

FP16 (half)

-

4.632 TFLOPS

FP32 (float)

2.560 TFLOPS

289.5 GFLOPS

FP64 (double)

160.0 GFLOPS

Board Design

100W

TDP

175W

300 W

Suggested PSU

450 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Navi 14

GPU Name

Pitcairn

Navi 14 XE

GPU Variant

Pitcairn XT (215-0828047)

RDNA 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

6.4 billion

Transistors

2.8 billion

158 mm²

Die Size

212 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.3

Vulkan

1.2

-

6.5

Shader Model

5.1

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