AMD Radeon HD 6850 vs AMD Radeon R9 380 OEM

VS

AMD Radeon HD 6850 AMD Radeon R9 380 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6850 and 4GB VRAM Radeon R9 380 OEM 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 380 OEM 's Advantages

Released 4 years and 7 months late

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (176.0GB/s vs 128.0GB/s)

832 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6850

1.488 TFLOPS

Radeon R9 380 OEM +121%

3.29 TFLOPS

Radeon HD 6850

VS

Radeon R9 380 OEM

Graphics Card

Oct 2010

Release Date

May 2015

Northern Islands

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1000 MHz

Memory Clock

1375 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

128.0GB/s

Bandwidth

176.0GB/s

Render Config

-

SM Count

-

12

Compute Units

28

960

Shading Units

1792

48

TMUs

112

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

Theoretical Performance

24.80 GPixel/s

Pixel Rate

29.38 GPixel/s

37.20 GTexel/s

Texture Rate

102.8 GTexel/s

-

FP16 (half)

3.290 TFLOPS

1488 GFLOPS

FP32 (float)

3.290 TFLOPS

-

FP64 (double)

205.6 GFLOPS

Graphics Processor

Barts

GPU Name

Antigua

Barts PRO (215-0798006)

GPU Variant

Antigua PRO (215-0877000)

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

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 Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.0

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

6.3

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