AMD Radeon HD 8870 OEM vs AMD Radeon R5 330 OEM

VS

AMD Radeon HD 8870 OEM

AMD Radeon R5 330 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8870 OEM and 2GB VRAM Radeon R5 330 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8870 OEM 's Advantages

Larger VRAM bandwidth (153.6GB/s vs 14.40GB/s)

960 additional rendering cores

AMD Radeon R5 330 OEM 's Advantages

Released 2 years and 4 months late

Boost Clock855MHz

Lower TDP (50W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 8870 OEM +368%

2.56 TFLOPS

Radeon R5 330 OEM

0.547 TFLOPS

Radeon HD 8870 OEM

VS

Radeon R5 330 OEM

Graphics Card

Jan 2013

Release Date

May 2015

Sea Islands

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

830 MHz

-

Boost Clock

855 MHz

1200 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

153.6GB/s

Bandwidth

14.40GB/s

Render Config

20

Compute Units

5

-

1280

Shading Units

320

80

TMUs

20

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

6.840 GPixel/s

80.00 GTexel/s

Texture Rate

17.10 GTexel/s

-

2.560 TFLOPS

FP32 (float)

547.2 GFLOPS

160.0 GFLOPS

FP64 (double)

-

Board Design

175W

TDP

50W

450 W

Suggested PSU

250 W

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

Outputs

No outputs

2x 6-pin

Power Connectors

None

Graphics Processor

Pitcairn

GPU Name

Hainan

Pitcairn XT (215-0828047)

GPU Variant

-

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

0.69 billion

212 mm²

Die Size

56 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

1.2

Vulkan

1.2

-

5.1

Shader Model

5.1

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