AMD Radeon Pro 5500 XT vs AMD Radeon HD 6870 X2

VS

AMD Radeon Pro 5500 XT

AMD Radeon HD 6870 X2

We compared two Desktop platform GPUs: 8GB VRAM Radeon Pro 5500 XT and 1024MB VRAM Radeon HD 6870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 5500 XT 's Advantages

Released 9 years and 1 months late

Boost Clock1757MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (224.0GB/s vs 134.4GB/s)

416 additional rendering cores

Lower TDP (125W vs 300W)

Score

Benchmark

FP32 (float)

Radeon Pro 5500 XT +167%

5.398 TFLOPS

Radeon HD 6870 X2

2.016 TFLOPS

Radeon Pro 5500 XT

VS

Radeon HD 6870 X2

Graphics Card

Aug 2020

Release Date

Jul 2011

Radeon Pro Mac

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1187 MHz

Base Clock

-

1757 MHz

Boost Clock

-

1750 MHz

Memory Clock

1050 MHz

Memory

8GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

256bit

224.0GB/s

Bandwidth

134.4GB/s

Render Config

24

Compute Units

14

-

1536

Shading Units

1120

96

TMUs

56

32

ROPs

32

-

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

56.22 GPixel/s

Pixel Rate

28.80 GPixel/s

168.7 GTexel/s

Texture Rate

50.40 GTexel/s

10.80 TFLOPS

FP16 (half)

-

5.398 TFLOPS

FP32 (float)

2.016 TFLOPS

337.3 GFLOPS

FP64 (double)

-

Board Design

125W

TDP

300W

300 W

Suggested PSU

700 W

No outputs

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

None

Power Connectors

-

Graphics Processor

Navi 14

GPU Name

Barts

Navi 14 PRO XL

GPU Variant

Barts XT (215-0798000)

RDNA 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

6.4 billion

Transistors

1.7 billion

158 mm²

Die Size

255 mm²

Graphics Features

12 (12_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.3

Vulkan

N/A

-

6.5

Shader Model

5.0

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