AMD Radeon HD 6870 X2 vs AMD Radeon Pro 5500 XT

VS

AMD Radeon HD 6870 X2

AMD Radeon Pro 5500 XT

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 and 8GB VRAM Radeon Pro 5500 XT 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 HD 6870 X2

2.016 TFLOPS

Radeon Pro 5500 XT +167%

5.398 TFLOPS

Radeon HD 6870 X2

VS

Radeon Pro 5500 XT

Graphics Card

Jul 2011

Release Date

Aug 2020

Northern Islands

Generation

Radeon Pro Mac

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

1187 MHz

-

Boost Clock

1757 MHz

1050 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

224.0GB/s

Render Config

14

Compute Units

24

-

1120

Shading Units

1536

56

TMUs

96

32

ROPs

32

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

2 MB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

56.22 GPixel/s

50.40 GTexel/s

Texture Rate

168.7 GTexel/s

-

FP16 (half)

10.80 TFLOPS

2.016 TFLOPS

FP32 (float)

5.398 TFLOPS

-

FP64 (double)

337.3 GFLOPS

Board Design

300W

TDP

125W

700 W

Suggested PSU

300 W

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

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Barts

GPU Name

Navi 14

Barts XT (215-0798000)

GPU Variant

Navi 14 PRO XL

TeraScale 2

Architecture

RDNA 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

1.7 billion

Transistors

6.4 billion

255 mm²

Die Size

158 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_1)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.3

-

5.0

Shader Model

6.5

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