AMD Radeon R9 380X vs AMD Radeon Sky 700

VS

AMD Radeon R9 380X

AMD Radeon Sky 700

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 380X and 6GB VRAM Radeon Sky 700 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 380X 's Advantages

Released 2 years and 8 months late

256 additional rendering cores

Lower TDP (190W vs 225W)

AMD Radeon Sky 700 's Advantages

More VRAM (6GB vs 4GB)

Larger VRAM bandwidth (264.0GB/s vs 182.4GB/s)

Score

Benchmark

FP32 (float)

Radeon R9 380X +23%

3.973 TFLOPS

Radeon Sky 700

3.226 TFLOPS

Radeon R9 380X

VS

Radeon Sky 700

Graphics Card

Nov 2015

Release Date

Mar 2013

Pirate Islands

Generation

Radeon Sky

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1425 MHz

Memory Clock

1375 MHz

Memory

4GB

Memory Size

6GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

182.4GB/s

Bandwidth

264.0GB/s

Render Config

32

Compute Units

28

-

2048

Shading Units

1792

128

TMUs

112

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

768 KB

-

Theoretical Performance

31.04 GPixel/s

Pixel Rate

28.80 GPixel/s

124.2 GTexel/s

Texture Rate

100.8 GTexel/s

3.973 TFLOPS

FP16 (half)

-

3.973 TFLOPS

FP32 (float)

3.226 TFLOPS

248.3 GFLOPS

FP64 (double)

806.4 GFLOPS

Board Design

190W

TDP

225W

450 W

Suggested PSU

550 W

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

Outputs

1x DisplayPort 1.2

2x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

Antigua

GPU Name

Tahiti

Antigua XT (215-0877016)

GPU Variant

Tahiti PRO GL

GCN 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

4.313 billion

366 mm²

Die Size

352 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

1.2

Vulkan

1.2

-

6.3

Shader Model

5.1

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