AMD Radeon R9 380X vs AMD Radeon R5 340X OEM

VS

AMD Radeon R9 380X AMD Radeon R5 340X OEM

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 380X and 2GB VRAM Radeon R5 340X OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 380X 's Advantages

Released 6 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (182.4GB/s vs 16.00GB/s)

1664 additional rendering cores

AMD Radeon R5 340X OEM 's Advantages

Lower TDP (65W vs 190W)

Score

Benchmark

FP32 (float)

Radeon R9 380X +474%

3.973 TFLOPS

Radeon R5 340X OEM

0.691 TFLOPS

Radeon R9 380X

VS

Radeon R5 340X OEM

Graphics Card

Nov 2015

Release Date

May 2015

Pirate Islands

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

-

Boost Clock

-

1425 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

182.4GB/s

Bandwidth

16.00GB/s

Render Config

-

SM Count

-

32

Compute Units

6

2048

Shading Units

384

128

TMUs

24

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

Theoretical Performance

31.04 GPixel/s

Pixel Rate

7.200 GPixel/s

124.2 GTexel/s

Texture Rate

21.60 GTexel/s

3.973 TFLOPS

FP16 (half)

-

3.973 TFLOPS

FP32 (float)

691.2 GFLOPS

248.3 GFLOPS

FP64 (double)

43.20 GFLOPS

Graphics Processor

Antigua

GPU Name

Oland

Antigua XT (215-0877016)

GPU Variant

Oland XT (215-0837000)

GCN 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

0.95 billion

366 mm²

Die Size

77 mm²

Board Design

190W

TDP

65W

450 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x DisplayPort 1.2

2x 6-pin

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

1.2

Vulkan

1.2

-

CUDA

-

6.3

Shader Model

5.1

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