AMD Radeon HD 6850 vs AMD Radeon R9 380X

VS

AMD Radeon HD 6850

AMD Radeon R9 380X

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6850 and 4GB VRAM Radeon R9 380X 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 190W)

AMD Radeon R9 380X 's Advantages

Released 5 years and 1 months late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (182.4GB/s vs 128.0GB/s)

1088 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6850

1.488 TFLOPS

Radeon R9 380X +167%

3.973 TFLOPS

Radeon HD 6850

VS

Radeon R9 380X

Graphics Card

Oct 2010

Release Date

Nov 2015

Northern Islands

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1425 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

128.0GB/s

Bandwidth

182.4GB/s

Render Config

12

Compute Units

32

-

960

Shading Units

2048

48

TMUs

128

32

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

24.80 GPixel/s

Pixel Rate

31.04 GPixel/s

37.20 GTexel/s

Texture Rate

124.2 GTexel/s

-

FP16 (half)

3.973 TFLOPS

1488 GFLOPS

FP32 (float)

3.973 TFLOPS

-

FP64 (double)

248.3 GFLOPS

Board Design

127W

TDP

190W

300 W

Suggested PSU

450 W

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

Outputs

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

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Barts

GPU Name

Antigua

Barts PRO (215-0798006)

GPU Variant

Antigua XT (215-0877016)

TeraScale 2

Architecture

GCN 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

5 billion

255 mm²

Die Size

366 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

6.3

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