AMD Radeon HD 7970 GHz Edition vs AMD Radeon R9 380 OEM

VS

AMD Radeon HD 7970 GHz Edition

AMD Radeon R9 380 OEM

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 GHz Edition and 4GB VRAM Radeon R9 380 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 GHz Edition 's Advantages

Boost Clock1050MHz

Larger VRAM bandwidth (288.0GB/s vs 176.0GB/s)

256 additional rendering cores

AMD Radeon R9 380 OEM 's Advantages

Released 2 years and 11 months late

More VRAM (4GB vs 3GB)

Lower TDP (190W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 GHz Edition +30%

4.301 TFLOPS

Radeon R9 380 OEM

3.29 TFLOPS

Radeon HD 7970 GHz Edition

VS

Radeon R9 380 OEM

Graphics Card

Jun 2012

Release Date

May 2015

Southern Islands

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1050 MHz

Boost Clock

-

1500 MHz

Memory Clock

1375 MHz

Memory

3GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

288.0GB/s

Bandwidth

176.0GB/s

Render Config

32

Compute Units

28

-

2048

Shading Units

1792

128

TMUs

112

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

512 KB

-

Theoretical Performance

33.60 GPixel/s

Pixel Rate

29.38 GPixel/s

134.4 GTexel/s

Texture Rate

102.8 GTexel/s

-

FP16 (half)

3.290 TFLOPS

4.301 TFLOPS

FP32 (float)

3.290 TFLOPS

1075 GFLOPS

FP64 (double)

205.6 GFLOPS

Board Design

300W

TDP

190W

700 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 + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Tahiti

GPU Name

Antigua

Tahiti XT2 (215-0821065)

GPU Variant

Antigua PRO (215-0877000)

GCN 1.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

5 billion

352 mm²

Die Size

366 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.0

1.2

Vulkan

1.2

-

5.1

Shader Model

6.3

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