ATI Radeon HD 3830 vs AMD Radeon R9 380X

VS

ATI Radeon HD 3830

AMD Radeon R9 380X

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 3830 and 4GB VRAM Radeon R9 380X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3830 's Advantages

Lower TDP (75W vs 190W)

AMD Radeon R9 380X 's Advantages

Released 7 years and 7 months late

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (182.4GB/s vs 26.50GB/s)

1728 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3830

0.428 TFLOPS

Radeon R9 380X +828%

3.973 TFLOPS

Radeon HD 3830

VS

Radeon R9 380X

Graphics Card

Apr 2008

Release Date

Nov 2015

Radeon R600

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

828 MHz

Memory Clock

1425 MHz

Memory

256MB

Memory Size

4GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

26.50GB/s

Bandwidth

182.4GB/s

Render Config

4

Compute Units

32

-

320

Shading Units

2048

16

TMUs

128

16

ROPs

32

-

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

10.69 GPixel/s

Pixel Rate

31.04 GPixel/s

10.69 GTexel/s

Texture Rate

124.2 GTexel/s

-

FP16 (half)

3.973 TFLOPS

427.5 GFLOPS

FP32 (float)

3.973 TFLOPS

85.50 GFLOPS

FP64 (double)

248.3 GFLOPS

Board Design

75W

TDP

190W

250 W

Suggested PSU

450 W

No outputs

Outputs

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

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

RV670

GPU Name

Antigua

RV670 PRO (215-0708003)

GPU Variant

Antigua XT (215-0877016)

TeraScale

Architecture

GCN 3.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.666 billion

Transistors

5 billion

192 mm²

Die Size

366 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

2.0

N/A

Vulkan

1.2

-

4.1

Shader Model

6.3

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