NVIDIA GeForce RTX 2080 Ti vs ATI Radeon HD 4855

VS

NVIDIA GeForce RTX 2080 Ti

ATI Radeon HD 4855

We compared two Desktop platform GPUs: 11GB VRAM GeForce RTX 2080 Ti 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 RTX 2080 Ti 's Advantages

Released 8 years and 8 months late

Boost Clock1545MHz

More VRAM (11GB vs 512GB)

Larger VRAM bandwidth (616.0GB/s vs 115.2GB/s)

3712 additional rendering cores

ATI Radeon HD 4855 's Advantages

Lower TDP (110W vs 250W)

Score

Benchmark

FP32 (float)

GeForce RTX 2080 Ti +1727%

13.45 TFLOPS

Radeon HD 4855

0.736 TFLOPS

GeForce RTX 2080 Ti

VS

Radeon HD 4855

Graphics Card

Sep 2018

Release Date

Jan 2010

GeForce 20

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1350 MHz

Base Clock

-

1545 MHz

Boost Clock

-

1750 MHz

Memory Clock

900 MHz

Memory

11GB

Memory Size

512MB

GDDR6

Memory Type

GDDR5

352bit

Memory Bus

256bit

616.0GB/s

Bandwidth

115.2GB/s

Render Config

-

Compute Units

8

68

SM Count

-

4352

Shading Units

640

272

TMUs

32

88

ROPs

16

544

Tensor Cores

-

68

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

0 MB

L2 Cache

256 KB

-

Theoretical Performance

136.0 GPixel/s

Pixel Rate

9.200 GPixel/s

420.2 GTexel/s

Texture Rate

18.40 GTexel/s

26.90 TFLOPS

FP16 (half)

-

13.45 TFLOPS

FP32 (float)

736.0 GFLOPS

420.2 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 1x USB Type-C

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

TU102

GPU Name

RV770

TU102-300A-K1-A1

GPU Variant

RV770 PRO (215-0669065)

Turing

Architecture

TeraScale

TSMC

Foundry

TSMC

12 nm

Process Size

55 nm

18.6 billion

Transistors

0.956 billion

754 mm²

Die Size

256 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

7.5

CUDA

-

6.6

Shader Model

4.1

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