AMD Radeon R9 380 vs ATI Radeon HD 4890

VS

AMD Radeon R9 380

ATI Radeon HD 4890

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 380 and 1024MB VRAM Radeon HD 4890 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 380 's Advantages

Released 6 years and 2 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (176.0GB/s vs 124.8GB/s)

992 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 380 +155%

3.476 TFLOPS

Radeon HD 4890

1.36 TFLOPS

Radeon R9 380

VS

Radeon HD 4890

Graphics Card

Jun 2015

Release Date

Apr 2009

Pirate Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

975 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

176.0GB/s

Bandwidth

124.8GB/s

Render Config

28

Compute Units

10

-

1792

Shading Units

800

112

TMUs

40

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

31.04 GPixel/s

Pixel Rate

13.60 GPixel/s

108.6 GTexel/s

Texture Rate

34.00 GTexel/s

3.476 TFLOPS

FP16 (half)

-

3.476 TFLOPS

FP32 (float)

1360 GFLOPS

217.3 GFLOPS

FP64 (double)

272.0 GFLOPS

Board Design

190W

TDP

190W

450 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Antigua

GPU Name

RV790

Antigua PRO (215-0877000)

GPU Variant

RV790 XT (215-0758016)

GCN 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

5 billion

Transistors

0.959 billion

366 mm²

Die Size

282 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.0

OpenCL

1.1

1.2

Vulkan

N/A

-

6.3

Shader Model

4.1

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