AMD Radeon R9 FURY X vs ATI Radeon HD 4855

VS

AMD Radeon R9 FURY X

ATI Radeon HD 4855

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 FURY X and 512MB VRAM Radeon HD 4855 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 FURY X 's Advantages

Released 5 years and 5 months late

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (512.0GB/s vs 115.2GB/s)

3456 additional rendering cores

ATI Radeon HD 4855 's Advantages

Lower TDP (110W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 FURY X +1068%

8.602 TFLOPS

Radeon HD 4855

0.736 TFLOPS

Radeon R9 FURY X

VS

Radeon HD 4855

Graphics Card

Jun 2015

Release Date

Jan 2010

Pirate Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

500 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

512MB

HBM

Memory Type

GDDR5

4096bit

Memory Bus

256bit

512.0GB/s

Bandwidth

115.2GB/s

Render Config

64

Compute Units

8

-

4096

Shading Units

640

256

TMUs

32

64

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

67.20 GPixel/s

Pixel Rate

9.200 GPixel/s

268.8 GTexel/s

Texture Rate

18.40 GTexel/s

8.602 TFLOPS

FP16 (half)

-

8.602 TFLOPS

FP32 (float)

736.0 GFLOPS

537.6 GFLOPS

FP64 (double)

147.2 GFLOPS

Board Design

275W

TDP

110W

600 W

Suggested PSU

300 W

1x HDMI 1.4a 3x DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Fiji

GPU Name

RV770

Fiji XT C8 (215-0862040)

GPU Variant

RV770 PRO (215-0669065)

GCN 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

8.9 billion

Transistors

0.956 billion

596 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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