AMD Radeon R9 380X vs AMD Radeon HD 7720 OEM

VS

AMD Radeon R9 380X AMD Radeon HD 7720 OEM

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 380X and 1024MB VRAM Radeon HD 7720 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 8 months late

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (182.4GB/s vs 134.4GB/s)

1248 additional rendering cores

AMD Radeon HD 7720 OEM 's Advantages

Lower TDP (150W vs 190W)

Score

Benchmark

FP32 (float)

Radeon R9 380X +195%

3.973 TFLOPS

Radeon HD 7720 OEM

1.344 TFLOPS

Radeon R9 380X

VS

Radeon HD 7720 OEM

Graphics Card

Nov 2015

Release Date

Mar 2013

Pirate Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1425 MHz

Memory Clock

1050 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

182.4GB/s

Bandwidth

134.4GB/s

Render Config

-

SM Count

-

32

Compute Units

10

2048

Shading Units

800

128

TMUs

40

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

Theoretical Performance

31.04 GPixel/s

Pixel Rate

26.88 GPixel/s

124.2 GTexel/s

Texture Rate

33.60 GTexel/s

3.973 TFLOPS

FP16 (half)

-

3.973 TFLOPS

FP32 (float)

1344 GFLOPS

248.3 GFLOPS

FP64 (double)

-

Graphics Processor

Antigua

GPU Name

Barts

Antigua XT (215-0877016)

GPU Variant

Barts LE (215-0798002)

GCN 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

5 billion

Transistors

1.7 billion

366 mm²

Die Size

255 mm²

Board Design

190W

TDP

150W

450 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

2x 6-pin

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

6.3

Shader Model

5.0

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