AMD Radeon HD 8870 OEM vs AMD Radeon R9 FURY X2

VS

AMD Radeon HD 8870 OEM

AMD Radeon R9 FURY X2

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8870 OEM and 4GB VRAM Radeon R9 FURY X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 FURY X2 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 153.6GB/s)

2816 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8870 OEM

2.56 TFLOPS

Radeon R9 FURY X2 +236%

8.602 TFLOPS

Radeon HD 8870 OEM

VS

Radeon R9 FURY X2

Graphics Card

Jan 2013

Release Date

Unknown

Sea Islands

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

500 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

HBM

256bit

Memory Bus

4096bit

153.6GB/s

Bandwidth

512.0GB/s

Render Config

20

Compute Units

64

-

1280

Shading Units

4096

80

TMUs

256

32

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

67.20 GPixel/s

80.00 GTexel/s

Texture Rate

268.8 GTexel/s

-

2.560 TFLOPS

FP32 (float)

8.602 TFLOPS

160.0 GFLOPS

FP64 (double)

-

Board Design

175W

TDP

Unknown

450 W

Suggested PSU

200 W

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

Outputs

1x HDMI 1.4a 3x DisplayPort 1.2

2x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Pitcairn

GPU Name

Capsaicin

Pitcairn XT (215-0828047)

GPU Variant

Capsaicin XT C9

GCN 1.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

8.9 billion

212 mm²

Die Size

596 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2.170

-

5.1

Shader Model

6.5

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