AMD Radeon R9 380 OEM vs ATI Radeon HD 4870 X2

VS

AMD Radeon R9 380 OEM

ATI Radeon HD 4870 X2

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 380 OEM and 1024MB VRAM Radeon HD 4870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 380 OEM 's Advantages

Released 6 years and 9 months late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (176.0GB/s vs 115.2GB/s)

992 additional rendering cores

Lower TDP (190W vs 286W)

Score

Benchmark

FP32 (float)

Radeon R9 380 OEM +174%

3.29 TFLOPS

Radeon HD 4870 X2

1.2 TFLOPS

Radeon R9 380 OEM

VS

Radeon HD 4870 X2

Graphics Card

May 2015

Release Date

Aug 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

900 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

176.0GB/s

Bandwidth

115.2GB/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

29.38 GPixel/s

Pixel Rate

12.00 GPixel/s

102.8 GTexel/s

Texture Rate

30.00 GTexel/s

3.290 TFLOPS

FP16 (half)

-

3.290 TFLOPS

FP32 (float)

1200 GFLOPS

205.6 GFLOPS

FP64 (double)

240.0 GFLOPS

Board Design

190W

TDP

286W

450 W

Suggested PSU

600 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 + 1x 8-pin

Graphics Processor

Antigua

GPU Name

R700

Antigua PRO (215-0877000)

GPU Variant

R700 XT (215-0669045)

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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