AMD Radeon HD 6870 X2 vs AMD Radeon RX 5500 XT

VS

AMD Radeon HD 6870 X2

AMD Radeon RX 5500 XT

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 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 8 years and 5 months late

Boost Clock1845MHz

More VRAM (4GB vs 1024GB)

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

288 additional rendering cores

Lower TDP (130W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 X2

2.016 TFLOPS

Radeon RX 5500 XT +157%

5.196 TFLOPS

Radeon HD 6870 X2

VS

Radeon RX 5500 XT

Graphics Card

Jul 2011

Release Date

Dec 2019

Northern Islands

Generation

Navi

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

1607 MHz

-

Boost Clock

1845 MHz

1050 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

224.0GB/s

Render Config

14

Compute Units

22

-

1120

Shading Units

1408

56

TMUs

88

32

ROPs

32

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

2 MB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

59.04 GPixel/s

50.40 GTexel/s

Texture Rate

162.4 GTexel/s

-

FP16 (half)

10.39 TFLOPS

2.016 TFLOPS

FP32 (float)

5.196 TFLOPS

-

FP64 (double)

324.7 GFLOPS

Board Design

300W

TDP

130W

700 W

Suggested PSU

300 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

-

Power Connectors

1x 8-pin

Graphics Processor

Barts

GPU Name

Navi 14

Barts XT (215-0798000)

GPU Variant

Navi 14 XTX (215-0932396)

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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