NVIDIA A30 PCIe vs ATI Radeon HD 4855

VS

NVIDIA A30 PCIe

ATI Radeon HD 4855

We compared two Desktop platform GPUs: 24GB VRAM A30 PCIe and 512MB VRAM Radeon HD 4855 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A30 PCIe 's Advantages

Released 11 years and 3 months late

Boost Clock1440MHz

More VRAM (24GB vs 512GB)

Larger VRAM bandwidth (933.1GB/s vs 115.2GB/s)

2944 additional rendering cores

ATI Radeon HD 4855 's Advantages

Lower TDP (110W vs 165W)

Score

Benchmark

FP32 (float)

A30 PCIe +1302%

10.32 TFLOPS

Radeon HD 4855

0.736 TFLOPS

A30 PCIe

VS

Radeon HD 4855

Graphics Card

Apr 2021

Release Date

Jan 2010

Tesla Ampere

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

930 MHz

Base Clock

-

1440 MHz

Boost Clock

-

1215 MHz

Memory Clock

900 MHz

Memory

24GB

Memory Size

512MB

HBM2e

Memory Type

GDDR5

3072bit

Memory Bus

256bit

933.1GB/s

Bandwidth

115.2GB/s

Render Config

-

Compute Units

8

56

SM Count

-

3584

Shading Units

640

224

TMUs

32

96

ROPs

16

224

Tensor Cores

-

192 KB (per SM)

L1 Cache

16 KB (per CU)

24 MB

L2 Cache

256 KB

-

Theoretical Performance

138.2 GPixel/s

Pixel Rate

9.200 GPixel/s

322.6 GTexel/s

Texture Rate

18.40 GTexel/s

10.32 TFLOPS

FP16 (half)

-

10.32 TFLOPS

FP32 (float)

736.0 GFLOPS

5.161 TFLOPS

FP64 (double)

147.2 GFLOPS

Board Design

165W

TDP

110W

450 W

Suggested PSU

300 W

No outputs

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

8-pin EPS

Power Connectors

1x 6-pin

Graphics Processor

GA100

GPU Name

RV770

-

GPU Variant

RV770 PRO (215-0669065)

Ampere

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

55 nm

54.2 billion

Transistors

0.956 billion

826 mm²

Die Size

256 mm²

Graphics Features

N/A

DirectX

10.1 (10_1)

N/A

OpenGL

3.3

3.0

OpenCL

1.1

N/A

Vulkan

N/A

8.0

CUDA

-

N/A

Shader Model

4.1

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