NVIDIA RTX A4000H vs ATI Radeon HD 4870 Mac Edition

VS

NVIDIA RTX A4000H

ATI Radeon HD 4870 Mac Edition

We compared two Desktop platform GPUs: 16GB VRAM RTX A4000H and 512MB VRAM Radeon HD 4870 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4000H 's Advantages

Released 12 years and 3 months late

Boost Clock1560MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (448.0GB/s vs 108.8GB/s)

5344 additional rendering cores

Lower TDP (140W vs 150W)

Score

Benchmark

FP32 (float)

RTX A4000H +1497%

19.17 TFLOPS

Radeon HD 4870 Mac Edition

1.2 TFLOPS

RTX A4000H

VS

Radeon HD 4870 Mac Edition

Graphics Card

Apr 2021

Release Date

Jan 2009

Quadro Ampere

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

735 MHz

Base Clock

-

1560 MHz

Boost Clock

-

1750 MHz

Memory Clock

850 MHz

Memory

16GB

Memory Size

512MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

448.0GB/s

Bandwidth

108.8GB/s

Render Config

-

Compute Units

10

48

SM Count

-

6144

Shading Units

800

192

TMUs

40

96

ROPs

16

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

256 KB

-

Theoretical Performance

149.8 GPixel/s

Pixel Rate

12.00 GPixel/s

299.5 GTexel/s

Texture Rate

30.00 GTexel/s

19.17 TFLOPS

FP16 (half)

-

19.17 TFLOPS

FP32 (float)

1200 GFLOPS

299.5 GFLOPS

FP64 (double)

240.0 GFLOPS

Board Design

140W

TDP

150W

300 W

Suggested PSU

450 W

4x DisplayPort 1.4a

Outputs

1x DVI 1x mini-DisplayPort 1.0

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

GA104

GPU Name

RV770

GA104-???-A1

GPU Variant

RV770 XT Mac (215-0669080)

Ampere

Architecture

TeraScale

Samsung

Foundry

TSMC

8 nm

Process Size

55 nm

17.4 billion

Transistors

0.956 billion

392 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

8.6

CUDA

-

6.7

Shader Model

4.1

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