AMD Radeon R9 380 vs ATI Radeon HD 4850

VS

AMD Radeon R9 380

ATI Radeon HD 4850

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 380 and 512MB VRAM Radeon HD 4850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 380 's Advantages

Released 7 years late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (176.0GB/s vs 63.55GB/s)

992 additional rendering cores

ATI Radeon HD 4850 's Advantages

Lower TDP (110W vs 190W)

Score

Benchmark

FP32 (float)

Radeon R9 380 +247%

3.476 TFLOPS

Radeon HD 4850

1 TFLOPS

Radeon R9 380

VS

Radeon HD 4850

Graphics Card

Jun 2015

Release Date

Jun 2008

Pirate Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

993 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

176.0GB/s

Bandwidth

63.55GB/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

10.00 GPixel/s

108.6 GTexel/s

Texture Rate

25.00 GTexel/s

3.476 TFLOPS

FP16 (half)

-

3.476 TFLOPS

FP32 (float)

1000 GFLOPS

217.3 GFLOPS

FP64 (double)

200.0 GFLOPS

Board Design

190W

TDP

110W

450 W

Suggested PSU

300 W

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

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Antigua

GPU Name

RV770

Antigua PRO (215-0877000)

GPU Variant

RV770 PRO (215-0669065)

GCN 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

5 billion

Transistors

0.956 billion

366 mm²

Die Size

256 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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