AMD Radeon R9 380 vs AMD Radeon RX 455 OEM

VS

AMD Radeon R9 380

AMD Radeon RX 455 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 380 and 2GB VRAM Radeon RX 455 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 380 's Advantages

Larger VRAM bandwidth (176.0GB/s vs 104.0GB/s)

1024 additional rendering cores

AMD Radeon RX 455 OEM 's Advantages

Released 1 years late

Lower TDP (100W vs 190W)

Score

Benchmark

FP32 (float)

Radeon R9 380 +115%

3.476 TFLOPS

Radeon RX 455 OEM

1.613 TFLOPS

Radeon R9 380

VS

Radeon RX 455 OEM

Graphics Card

Jun 2015

Release Date

Jun 2016

Pirate Islands

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

1625 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

176.0GB/s

Bandwidth

104.0GB/s

Render Config

28

Compute Units

12

-

1792

Shading Units

768

112

TMUs

48

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

31.04 GPixel/s

Pixel Rate

16.80 GPixel/s

108.6 GTexel/s

Texture Rate

50.40 GTexel/s

3.476 TFLOPS

FP16 (half)

-

3.476 TFLOPS

FP32 (float)

1.613 TFLOPS

217.3 GFLOPS

FP64 (double)

100.8 GFLOPS

Board Design

190W

TDP

100W

450 W

Suggested PSU

300 W

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

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Antigua

GPU Name

Tobago

Antigua PRO (215-0877000)

GPU Variant

Tobago PRO (215-0875010)

GCN 3.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

2.08 billion

366 mm²

Die Size

160 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.0

OpenCL

2.0

1.2

Vulkan

1.2

-

6.3

Shader Model

6.3

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