AMD Radeon HD 6850 vs AMD Radeon Pro Duo

VS

AMD Radeon HD 6850

AMD Radeon Pro Duo

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6850 and 4GB VRAM Radeon Pro Duo to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6850 's Advantages

Lower TDP (127W vs 350W)

AMD Radeon Pro Duo 's Advantages

Released 5 years and 6 months late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (512.0GB/s vs 128.0GB/s)

3136 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6850

1.488 TFLOPS

Radeon Pro Duo +450%

8.192 TFLOPS

Radeon HD 6850

VS

Radeon Pro Duo

Graphics Card

Oct 2010

Release Date

Apr 2016

Northern Islands

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

500 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

HBM

256bit

Memory Bus

4096bit

128.0GB/s

Bandwidth

512.0GB/s

Render Config

12

Compute Units

64

-

960

Shading Units

4096

48

TMUs

256

32

ROPs

64

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

24.80 GPixel/s

Pixel Rate

64.00 GPixel/s

37.20 GTexel/s

Texture Rate

256.0 GTexel/s

-

FP16 (half)

8.192 TFLOPS

1488 GFLOPS

FP32 (float)

8.192 TFLOPS

-

FP64 (double)

512.0 GFLOPS

Board Design

127W

TDP

350W

300 W

Suggested PSU

750 W

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

Outputs

1x HDMI 1.4a 3x DisplayPort 1.2

1x 6-pin

Power Connectors

3x 8-pin

Graphics Processor

Barts

GPU Name

Capsaicin

Barts PRO (215-0798006)

GPU Variant

Capsaicin XT

TeraScale 2

Architecture

GCN 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

8.9 billion

255 mm²

Die Size

596 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.0

N/A

Vulkan

1.2

-

5.0

Shader Model

6.0

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