AMD Radeon Pro Duo vs ATI Radeon HD 4870 Mac Edition

VS

AMD Radeon Pro Duo

ATI Radeon HD 4870 Mac Edition

We compared two Desktop platform GPUs: 4GB VRAM Radeon Pro Duo and 512MB VRAM Radeon HD 4870 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro Duo 's Advantages

Released 7 years and 3 months late

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (512.0GB/s vs 108.8GB/s)

3296 additional rendering cores

ATI Radeon HD 4870 Mac Edition 's Advantages

Lower TDP (150W vs 350W)

Score

Benchmark

FP32 (float)

Radeon Pro Duo +582%

8.192 TFLOPS

Radeon HD 4870 Mac Edition

1.2 TFLOPS

Radeon Pro Duo

VS

Radeon HD 4870 Mac Edition

Graphics Card

Apr 2016

Release Date

Jan 2009

Radeon Pro

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

500 MHz

Memory Clock

850 MHz

Memory

4GB

Memory Size

512MB

HBM

Memory Type

GDDR5

4096bit

Memory Bus

256bit

512.0GB/s

Bandwidth

108.8GB/s

Render Config

64

Compute Units

10

-

4096

Shading Units

800

256

TMUs

40

64

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

12.00 GPixel/s

256.0 GTexel/s

Texture Rate

30.00 GTexel/s

8.192 TFLOPS

FP16 (half)

-

8.192 TFLOPS

FP32 (float)

1200 GFLOPS

512.0 GFLOPS

FP64 (double)

240.0 GFLOPS

Board Design

350W

TDP

150W

750 W

Suggested PSU

450 W

1x HDMI 1.4a 3x DisplayPort 1.2

Outputs

1x DVI 1x mini-DisplayPort 1.0

3x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Capsaicin

GPU Name

RV770

Capsaicin XT

GPU Variant

RV770 XT Mac (215-0669080)

GCN 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

8.9 billion

Transistors

0.956 billion

596 mm²

Die Size

256 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.0

OpenCL

1.1

1.2

Vulkan

N/A

-

6.0

Shader Model

4.1

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