NVIDIA GeForce GTX 1080 Ti 12 GB vs ATI Radeon HD 4855

VS

NVIDIA GeForce GTX 1080 Ti 12 GB

ATI Radeon HD 4855

We compared two Desktop platform GPUs: 12GB VRAM GeForce GTX 1080 Ti 12 GB 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 1080 Ti 12 GB 's Advantages

Boost Clock1670MHz

More VRAM (12GB vs 512GB)

Larger VRAM bandwidth (528.4GB/s vs 115.2GB/s)

2560 additional rendering cores

ATI Radeon HD 4855 's Advantages

Lower TDP (110W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 1080 Ti 12 GB +1352%

10.69 TFLOPS

Radeon HD 4855

0.736 TFLOPS

GeForce GTX 1080 Ti 12 GB

VS

Radeon HD 4855

Graphics Card

Unknown

Release Date

Jan 2010

GeForce 10

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1557 MHz

Base Clock

-

1670 MHz

Boost Clock

-

1376 MHz

Memory Clock

900 MHz

Memory

12GB

Memory Size

512MB

GDDR5X

Memory Type

GDDR5

384bit

Memory Bus

256bit

528.4GB/s

Bandwidth

115.2GB/s

Render Config

-

Compute Units

8

25

SM Count

-

3200

Shading Units

640

200

TMUs

32

80

ROPs

16

-

48 KB (per SM)

L1 Cache

16 KB (per CU)

0 MB

L2 Cache

256 KB

-

Theoretical Performance

133.6 GPixel/s

Pixel Rate

9.200 GPixel/s

334.0 GTexel/s

Texture Rate

18.40 GTexel/s

167.0 GFLOPS

FP16 (half)

-

10.69 TFLOPS

FP32 (float)

736.0 GFLOPS

334.0 GFLOPS

FP64 (double)

147.2 GFLOPS

Board Design

250W

TDP

110W

600 W

Suggested PSU

300 W

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

GP102

GPU Name

RV770

-

GPU Variant

RV770 PRO (215-0669065)

Pascal

Architecture

TeraScale

TSMC

Foundry

TSMC

16 nm

Process Size

55 nm

11.8 billion

Transistors

0.956 billion

471 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

6.1

CUDA

-

6.7

Shader Model

4.1

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