AMD Radeon R9 380X vs AMD Radeon HD 8670 OEM

VS

AMD Radeon R9 380X

AMD Radeon HD 8670 OEM

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 380X and 2GB VRAM Radeon HD 8670 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 2 years and 10 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (182.4GB/s vs 73.60GB/s)

1664 additional rendering cores

AMD Radeon HD 8670 OEM 's Advantages

Boost Clock1050MHz

Lower TDP (75W vs 190W)

Score

Benchmark

FP32 (float)

Radeon R9 380X +392%

3.973 TFLOPS

Radeon HD 8670 OEM

0.806 TFLOPS

Radeon R9 380X

VS

Radeon HD 8670 OEM

Graphics Card

Nov 2015

Release Date

Jan 2013

Pirate Islands

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1050 MHz

1425 MHz

Memory Clock

1150 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

182.4GB/s

Bandwidth

73.60GB/s

Render Config

32

Compute Units

6

-

2048

Shading Units

384

128

TMUs

24

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

31.04 GPixel/s

Pixel Rate

8.400 GPixel/s

124.2 GTexel/s

Texture Rate

25.20 GTexel/s

3.973 TFLOPS

FP16 (half)

-

3.973 TFLOPS

FP32 (float)

806.4 GFLOPS

248.3 GFLOPS

FP64 (double)

50.40 GFLOPS

Board Design

190W

TDP

75W

450 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

2x 6-pin

Power Connectors

None

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

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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