AMD Radeon R9 380X vs ATI Mobility Radeon HD 4850 X2

VS

AMD Radeon R9 380X ATI Mobility Radeon HD 4850 X2

We compared a Desktop platform GPU: 4GB VRAM Radeon R9 380X and a Mobile platform GPU: 1024MB VRAM Mobility Radeon HD 4850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 380X 's Advantages

Released 6 years and 10 months late

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (182.4GB/s vs 89.60GB/s)

1248 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 380X +396%

3.973 TFLOPS

Mobility Radeon HD 4850 X2

0.8 TFLOPS

Radeon R9 380X

VS

Mobility Radeon HD 4850 X2

Graphics Card

Nov 2015

Release Date

Jan 2009

Pirate Islands

Generation

M9x

Desktop

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1425 MHz

Memory Clock

700 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

182.4GB/s

Bandwidth

89.60GB/s

Render Config

-

SM Count

-

32

Compute Units

10

2048

Shading Units

800

128

TMUs

40

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

31.04 GPixel/s

Pixel Rate

8.000 GPixel/s

124.2 GTexel/s

Texture Rate

20.00 GTexel/s

3.973 TFLOPS

FP16 (half)

-

3.973 TFLOPS

FP32 (float)

800.0 GFLOPS

248.3 GFLOPS

FP64 (double)

160.0 GFLOPS

Graphics Processor

Antigua

GPU Name

M98

Antigua XT (215-0877016)

GPU Variant

M98 L2 (216-0732019)

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

Board Design

190W

TDP

Unknown

450 W

Suggested PSU

-

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

Outputs

Portable Device Dependent

2x 6-pin

Power Connectors

None

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

-

CUDA

-

6.3

Shader Model

4.1

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