AMD Radeon Pro Duo vs AMD Radeon HD 6870 1600SP Edition

VS

AMD Radeon Pro Duo AMD Radeon HD 6870 1600SP Edition

We compared two Desktop platform GPUs: 4GB VRAM Radeon Pro Duo and 1024MB VRAM Radeon HD 6870 1600SP 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 3 years and 3 months late

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (512.0GB/s vs 134.4GB/s)

2496 additional rendering cores

AMD Radeon HD 6870 1600SP Edition 's Advantages

Lower TDP (175W vs 350W)

Score

Benchmark

FP32 (float)

Radeon Pro Duo +201%

8.192 TFLOPS

Radeon HD 6870 1600SP Edition

2.72 TFLOPS

Radeon Pro Duo

VS

Radeon HD 6870 1600SP Edition

Graphics Card

Apr 2016

Release Date

Jan 2013

Radeon Pro

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

500 MHz

Memory Clock

1050 MHz

Memory

4GB

Memory Size

1024MB

HBM

Memory Type

GDDR5

4096bit

Memory Bus

256bit

512.0GB/s

Bandwidth

134.4GB/s

Render Config

-

SM Count

-

64

Compute Units

20

4096

Shading Units

1600

256

TMUs

80

64

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

512 KB

Theoretical Performance

64.00 GPixel/s

Pixel Rate

27.20 GPixel/s

256.0 GTexel/s

Texture Rate

68.00 GTexel/s

8.192 TFLOPS

FP16 (half)

-

8.192 TFLOPS

FP32 (float)

2.720 TFLOPS

512.0 GFLOPS

FP64 (double)

544.0 GFLOPS

Graphics Processor

Capsaicin

GPU Name

Cypress

Capsaicin XT

GPU Variant

Cypress XT (215-0735033)

GCN 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

8.9 billion

Transistors

2.154 billion

596 mm²

Die Size

334 mm²

Board Design

350W

TDP

175W

750 W

Suggested PSU

450 W

1x HDMI 1.4a 3x DisplayPort 1.2

Outputs

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

3x 8-pin

Power Connectors

2x 6-pin

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

6.0

Shader Model

5.0

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