AMD Radeon RX 5700 XT vs ATI Radeon HD 4855

VS

AMD Radeon RX 5700 XT ATI Radeon HD 4855

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 5700 XT 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 RX 5700 XT 's Advantages

Released 9 years and 6 months late

Boost Clock1905MHz

Larger VRAM bandwidth (448.0GB/s vs 115.2GB/s)

1920 additional rendering cores

ATI Radeon HD 4855 's Advantages

Lower TDP (110W vs 225W)

Score

Benchmark

FP32 (float)

Radeon RX 5700 XT +1225%

9.754 TFLOPS

Radeon HD 4855

0.736 TFLOPS

Radeon RX 5700 XT

VS

Radeon HD 4855

Graphics Card

Jul 2019

Release Date

Jan 2010

Navi

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1605 MHz

Base Clock

-

1905 MHz

Boost Clock

-

1750 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

512MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

448.0GB/s

Bandwidth

115.2GB/s

Render Config

-

SM Count

-

40

Compute Units

8

2560

Shading Units

640

160

TMUs

32

64

ROPs

16

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

256 KB

Theoretical Performance

121.9 GPixel/s

Pixel Rate

9.200 GPixel/s

304.8 GTexel/s

Texture Rate

18.40 GTexel/s

19.51 TFLOPS

FP16 (half)

-

9.754 TFLOPS

FP32 (float)

736.0 GFLOPS

609.6 GFLOPS

FP64 (double)

147.2 GFLOPS

Graphics Processor

Navi 10

GPU Name

RV770

Navi 10 XT (215-0917210)

GPU Variant

RV770 PRO (215-0669065)

RDNA 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

55 nm

10.3 billion

Transistors

0.956 billion

251 mm²

Die Size

256 mm²

Board Design

225W

TDP

110W

550 W

Suggested PSU

300 W

1x HDMI 2.1 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 Features

12 (12_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

-

6.5

Shader Model

4.1

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