AMD Radeon R9 380 vs AMD Radeon R9 270X

VS

AMD Radeon R9 380

AMD Radeon R9 270X

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 380 and 2GB VRAM Radeon R9 270X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 380 's Advantages

Released 1 years and 8 months late

512 additional rendering cores

AMD Radeon R9 270X 's Advantages

Boost Clock1050MHz

Larger VRAM bandwidth (179.2GB/s vs 176.0GB/s)

Lower TDP (180W vs 190W)

Score

Benchmark

FP32 (float)

Radeon R9 380 +29%

3.476 TFLOPS

Radeon R9 270X

2.688 TFLOPS

3DMark Time Spy

Radeon R9 380 +57%

2794

Radeon R9 270X

1769

Radeon R9 380

VS

Radeon R9 270X

Graphics Card

Jun 2015

Release Date

Oct 2013

Pirate Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1050 MHz

1375 MHz

Memory Clock

1400 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

176.0GB/s

Bandwidth

179.2GB/s

Render Config

28

Compute Units

20

-

1792

Shading Units

1280

112

TMUs

80

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

31.04 GPixel/s

Pixel Rate

33.60 GPixel/s

108.6 GTexel/s

Texture Rate

84.00 GTexel/s

3.476 TFLOPS

FP16 (half)

-

3.476 TFLOPS

FP32 (float)

2.688 TFLOPS

217.3 GFLOPS

FP64 (double)

168.0 GFLOPS

Board Design

190W

TDP

180W

450 W

Suggested PSU

450 W

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

Outputs

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

2x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Antigua

GPU Name

Curacao

Antigua PRO (215-0877000)

GPU Variant

Curacao XT (215-0848004)

GCN 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

2.8 billion

366 mm²

Die Size

212 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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