AMD Radeon HD 8770 OEM vs AMD Radeon R9 380X

VS

AMD Radeon HD 8770 OEM

AMD Radeon R9 380X

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8770 OEM and 4GB VRAM Radeon R9 380X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8770 OEM 's Advantages

Lower TDP (85W vs 190W)

AMD Radeon R9 380X 's Advantages

Released 2 years and 2 months late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (182.4GB/s vs 96.00GB/s)

1152 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8770 OEM

1.882 TFLOPS

Radeon R9 380X +111%

3.973 TFLOPS

Radeon HD 8770 OEM

VS

Radeon R9 380X

Graphics Card

Sep 2013

Release Date

Nov 2015

Sea Islands

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

1425 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

96.00GB/s

Bandwidth

182.4GB/s

Render Config

14

Compute Units

32

-

896

Shading Units

2048

56

TMUs

128

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

16.80 GPixel/s

Pixel Rate

31.04 GPixel/s

58.80 GTexel/s

Texture Rate

124.2 GTexel/s

-

FP16 (half)

3.973 TFLOPS

1.882 TFLOPS

FP32 (float)

3.973 TFLOPS

117.6 GFLOPS

FP64 (double)

248.3 GFLOPS

Board Design

85W

TDP

190W

250 W

Suggested PSU

450 W

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

Outputs

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

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Bonaire

GPU Name

Antigua

Bonaire XT (215-0839039)

GPU Variant

Antigua XT (215-0877016)

GCN 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

5 billion

160 mm²

Die Size

366 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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