AMD Radeon HD 8870 OEM vs AMD Radeon RX 5500 XT

VS

AMD Radeon HD 8870 OEM

AMD Radeon RX 5500 XT

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8870 OEM and 4GB VRAM Radeon RX 5500 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 5500 XT 's Advantages

Released 6 years and 11 months late

Boost Clock1845MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 153.6GB/s)

128 additional rendering cores

Lower TDP (130W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 8870 OEM

2.56 TFLOPS

Radeon RX 5500 XT +102%

5.196 TFLOPS

Radeon HD 8870 OEM

VS

Radeon RX 5500 XT

Graphics Card

Jan 2013

Release Date

Dec 2019

Sea Islands

Generation

Navi

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

1607 MHz

-

Boost Clock

1845 MHz

1200 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

224.0GB/s

Render Config

20

Compute Units

22

-

1280

Shading Units

1408

80

TMUs

88

32

ROPs

32

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

2 MB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

59.04 GPixel/s

80.00 GTexel/s

Texture Rate

162.4 GTexel/s

-

FP16 (half)

10.39 TFLOPS

2.560 TFLOPS

FP32 (float)

5.196 TFLOPS

160.0 GFLOPS

FP64 (double)

324.7 GFLOPS

Board Design

175W

TDP

130W

450 W

Suggested PSU

300 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

Pitcairn

GPU Name

Navi 14

Pitcairn XT (215-0828047)

GPU Variant

Navi 14 XTX (215-0932396)

GCN 1.0

Architecture

RDNA 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

2.8 billion

Transistors

6.4 billion

212 mm²

Die Size

158 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

5.1

Shader Model

6.5

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