AMD Radeon HD 7970 GHz Edition vs AMD Radeon R9 380

VS

AMD Radeon HD 7970 GHz Edition AMD Radeon R9 380

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 GHz Edition and 2GB VRAM Radeon R9 380 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

More VRAM (3GB vs 2GB)

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

256 additional rendering cores

AMD Radeon R9 380 's Advantages

Released 3 years late

Lower TDP (190W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 GHz Edition +23%

4.301 TFLOPS

Radeon R9 380

3.476 TFLOPS

Radeon HD 7970 GHz Edition

VS

Radeon R9 380

Graphics Card

Jun 2012

Release Date

Jun 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

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

288.0GB/s

Bandwidth

176.0GB/s

Render Config

-

SM Count

-

32

Compute Units

28

2048

Shading Units

1792

128

TMUs

112

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

512 KB

Theoretical Performance

33.60 GPixel/s

Pixel Rate

31.04 GPixel/s

134.4 GTexel/s

Texture Rate

108.6 GTexel/s

-

FP16 (half)

3.476 TFLOPS

4.301 TFLOPS

FP32 (float)

3.476 TFLOPS

1075 GFLOPS

FP64 (double)

217.3 GFLOPS

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

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 Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.0

1.2

Vulkan

1.2

-

CUDA

-

5.1

Shader Model

6.3

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