AMD Radeon HD 6870 vs AMD Radeon RX 560DX

VS

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 and 4GB VRAM Radeon RX 560DX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 96.00GB/s)

224 additional rendering cores

AMD Radeon RX 560DX 's Advantages

Released 7 years and 6 months late

Boost Clock1175MHz

More VRAM (4GB vs 1GB)

Lower TDP (65W vs 151W)

Score

Benchmark

FP32 (float)

Radeon HD 6870

2.016 TFLOPS

Radeon RX 560DX +4%

2.106 TFLOPS

Radeon HD 6870

VS

Radeon RX 560DX

Graphics Card

Oct 2010

Release Date

Apr 2018

Northern Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1090 MHz

-

Boost Clock

1175 MHz

1050 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

96.00GB/s

Render Config

-

SM Count

-

14

Compute Units

14

1120

Shading Units

896

56

TMUs

56

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

1024 KB

Theoretical Performance

28.80 GPixel/s

Pixel Rate

18.80 GPixel/s

50.40 GTexel/s

Texture Rate

65.80 GTexel/s

-

FP16 (half)

2.106 TFLOPS

2.016 TFLOPS

FP32 (float)

2.106 TFLOPS

-

FP64 (double)

131.6 GFLOPS

Graphics Processor

Barts

GPU Name

Polaris 21

Barts XT (215-0798000)

GPU Variant

Polaris 21 XL

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.7 billion

Transistors

3 billion

255 mm²

Die Size

123 mm²

Board Design

151W

TDP

65W

450 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

2x 6-pin

Power Connectors

None

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

6.4

Related GPU Comparisons

1

AMD Radeon HD 8870 OEM vs AMD Radeon HD 6870

2

AMD Radeon Pro 5700 XT vs AMD Radeon HD 6870

3

NVIDIA GeForce RTX 3080 vs AMD Radeon HD 6870

4

AMD Radeon R7 350X OEM vs AMD Radeon HD 6870

5

AMD Radeon HD 7470 OEM vs AMD Radeon HD 6870

6

Intel Xe DG1 vs AMD Radeon HD 6870

7

AMD Radeon HD 6870 vs NVIDIA GeForce GTX 460

8

AMD Radeon HD 6870 vs NVIDIA RTX A1000

9

AMD Radeon HD 6870 vs AMD Radeon RX 560 XT

10

AMD Radeon HD 6870 vs AMD Radeon R9 370 1024SP