AMD Radeon R9 380 vs AMD Radeon HD 6870 1600SP Edition

VS

AMD Radeon R9 380 AMD Radeon HD 6870 1600SP Edition

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 380 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 R9 380 's Advantages

Released 2 years and 5 months late

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (176.0GB/s vs 134.4GB/s)

192 additional rendering cores

AMD Radeon HD 6870 1600SP Edition 's Advantages

Lower TDP (175W vs 190W)

Score

Benchmark

FP32 (float)

Radeon R9 380 +27%

3.476 TFLOPS

Radeon HD 6870 1600SP Edition

2.72 TFLOPS

Radeon R9 380

VS

Radeon HD 6870 1600SP Edition

Graphics Card

Jun 2015

Release Date

Jan 2013

Pirate Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1375 MHz

Memory Clock

1050 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

176.0GB/s

Bandwidth

134.4GB/s

Render Config

-

SM Count

-

28

Compute Units

20

1792

Shading Units

1600

112

TMUs

80

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

Theoretical Performance

31.04 GPixel/s

Pixel Rate

27.20 GPixel/s

108.6 GTexel/s

Texture Rate

68.00 GTexel/s

3.476 TFLOPS

FP16 (half)

-

3.476 TFLOPS

FP32 (float)

2.720 TFLOPS

217.3 GFLOPS

FP64 (double)

544.0 GFLOPS

Graphics Processor

Antigua

GPU Name

Cypress

Antigua PRO (215-0877000)

GPU Variant

Cypress XT (215-0735033)

GCN 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

5 billion

Transistors

2.154 billion

366 mm²

Die Size

334 mm²

Board Design

190W

TDP

175W

450 W

Suggested PSU

450 W

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

Outputs

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

2x 6-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

-

6.3

Shader Model

5.0

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