AMD Radeon Pro Duo vs AMD Radeon HD 7870 XT

VS

AMD Radeon Pro Duo

AMD Radeon HD 7870 XT

We compared two Desktop platform GPUs: 4GB VRAM Radeon Pro Duo and 2GB VRAM Radeon HD 7870 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro Duo 's Advantages

Released 3 years and 5 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 192.0GB/s)

2560 additional rendering cores

AMD Radeon HD 7870 XT 's Advantages

Boost Clock975MHz

Lower TDP (185W vs 350W)

Score

Benchmark

FP32 (float)

Radeon Pro Duo +173%

8.192 TFLOPS

Radeon HD 7870 XT

2.995 TFLOPS

Radeon Pro Duo

VS

Radeon HD 7870 XT

Graphics Card

Apr 2016

Release Date

Nov 2012

Radeon Pro

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

925 MHz

-

Boost Clock

975 MHz

500 MHz

Memory Clock

1500 MHz

Memory

4GB

Memory Size

2GB

HBM

Memory Type

GDDR5

4096bit

Memory Bus

256bit

512.0GB/s

Bandwidth

192.0GB/s

Render Config

64

Compute Units

24

-

4096

Shading Units

1536

256

TMUs

96

64

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

31.20 GPixel/s

256.0 GTexel/s

Texture Rate

93.60 GTexel/s

8.192 TFLOPS

FP16 (half)

-

8.192 TFLOPS

FP32 (float)

2.995 TFLOPS

512.0 GFLOPS

FP64 (double)

748.8 GFLOPS

Board Design

350W

TDP

185W

750 W

Suggested PSU

450 W

1x HDMI 1.4a 3x DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

3x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Capsaicin

GPU Name

Tahiti

Capsaicin XT

GPU Variant

Tahiti LE (215-0821122)

GCN 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

8.9 billion

Transistors

4.313 billion

596 mm²

Die Size

352 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

1.2

Vulkan

1.2

-

6.0

Shader Model

5.1

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