NVIDIA GeForce GTX TITAN X vs ATI Radeon HD 4855

VS

NVIDIA GeForce GTX TITAN X

ATI Radeon HD 4855

We compared two Desktop platform GPUs: 12GB VRAM GeForce GTX TITAN X and 512MB VRAM Radeon HD 4855 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX TITAN X 's Advantages

Released 5 years and 2 months late

Boost Clock1089MHz

More VRAM (12GB vs 512GB)

Larger VRAM bandwidth (336.6GB/s vs 115.2GB/s)

2432 additional rendering cores

ATI Radeon HD 4855 's Advantages

Lower TDP (110W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX TITAN X +809%

6.691 TFLOPS

Radeon HD 4855

0.736 TFLOPS

GeForce GTX TITAN X

VS

Radeon HD 4855

Graphics Card

Mar 2015

Release Date

Jan 2010

GeForce 900

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1089 MHz

Boost Clock

-

1753 MHz

Memory Clock

900 MHz

Memory

12GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

336.6GB/s

Bandwidth

115.2GB/s

Render Config

-

Compute Units

8

-

3072

Shading Units

640

192

TMUs

32

96

ROPs

16

-

48 KB (per SMM)

L1 Cache

16 KB (per CU)

3 MB

L2 Cache

256 KB

-

Theoretical Performance

104.5 GPixel/s

Pixel Rate

9.200 GPixel/s

209.1 GTexel/s

Texture Rate

18.40 GTexel/s

-

6.691 TFLOPS

FP32 (float)

736.0 GFLOPS

209.1 GFLOPS

FP64 (double)

147.2 GFLOPS

Board Design

250W

TDP

110W

600 W

Suggested PSU

300 W

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

GM200

GPU Name

RV770

GM200-400-A1

GPU Variant

RV770 PRO (215-0669065)

Maxwell 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

8 billion

Transistors

0.956 billion

601 mm²

Die Size

256 mm²

Graphics Features

12 (12_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

5.2

CUDA

-

6.4

Shader Model

4.1

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