ATI Radeon HD 4870 X2 vs AMD Radeon Pro Duo Polaris

VS

ATI Radeon HD 4870 X2

AMD Radeon Pro Duo Polaris

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4870 X2 and 16GB VRAM Radeon Pro Duo Polaris to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro Duo Polaris 's Advantages

Released 8 years and 8 months late

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (224.0GB/s vs 115.2GB/s)

1504 additional rendering cores

Lower TDP (250W vs 286W)

Score

Benchmark

FP32 (float)

Radeon HD 4870 X2

1.2 TFLOPS

Radeon Pro Duo Polaris +377%

5.728 TFLOPS

Radeon HD 4870 X2

VS

Radeon Pro Duo Polaris

Graphics Card

Aug 2008

Release Date

Apr 2017

Radeon R700

Generation

Radeon Pro GCN

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

16GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

224.0GB/s

Render Config

10

Compute Units

36

-

800

Shading Units

2304

40

TMUs

144

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

39.78 GPixel/s

30.00 GTexel/s

Texture Rate

179.0 GTexel/s

-

FP16 (half)

5.728 TFLOPS

1200 GFLOPS

FP32 (float)

5.728 TFLOPS

240.0 GFLOPS

FP64 (double)

358.0 GFLOPS

Board Design

286W

TDP

250W

600 W

Suggested PSU

600 W

2x DVI 1x S-Video

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

R700

GPU Name

Ellesmere

R700 XT (215-0669045)

GPU Variant

Ellesmere Gemini GL

TeraScale

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

55 nm

Process Size

14 nm

0.956 billion

Transistors

5.7 billion

256 mm²

Die Size

232 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.3

-

4.1

Shader Model

6.7

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