ATI Radeon HD 4870 Mac Edition vs NVIDIA GeForce RTX 3090 Ti

VS

ATI Radeon HD 4870 Mac Edition

NVIDIA GeForce RTX 3090 Ti

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 Mac Edition and 24GB VRAM GeForce RTX 3090 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4870 Mac Edition 's Advantages

Lower TDP (150W vs 450W)

NVIDIA GeForce RTX 3090 Ti 's Advantages

Released 13 years late

Boost Clock1860MHz

More VRAM (24GB vs 512GB)

Larger VRAM bandwidth (1008GB/s vs 108.8GB/s)

9952 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4870 Mac Edition

1.2 TFLOPS

GeForce RTX 3090 Ti +3233%

40 TFLOPS

Radeon HD 4870 Mac Edition

VS

GeForce RTX 3090 Ti

Graphics Card

Jan 2009

Release Date

Jan 2022

Radeon R700

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1560 MHz

-

Boost Clock

1860 MHz

850 MHz

Memory Clock

1313 MHz

Memory

512MB

Memory Size

24GB

GDDR5

Memory Type

GDDR6X

256bit

Memory Bus

384bit

108.8GB/s

Bandwidth

1008GB/s

Render Config

10

Compute Units

-

SM Count

84

800

Shading Units

10752

40

TMUs

336

16

ROPs

112

-

Tensor Cores

336

-

RT Cores

84

16 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

6 MB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

208.3 GPixel/s

30.00 GTexel/s

Texture Rate

625.0 GTexel/s

-

FP16 (half)

40.00 TFLOPS

1200 GFLOPS

FP32 (float)

40.00 TFLOPS

240.0 GFLOPS

FP64 (double)

625.0 GFLOPS

Board Design

150W

TDP

450W

450 W

Suggested PSU

850 W

1x DVI 1x mini-DisplayPort 1.0

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 16-pin

Graphics Processor

RV770

GPU Name

GA102

RV770 XT Mac (215-0669080)

GPU Variant

GA102-350-A1

TeraScale

Architecture

Ampere

TSMC

Foundry

Samsung

55 nm

Process Size

8 nm

0.956 billion

Transistors

28.3 billion

256 mm²

Die Size

628 mm²

Graphics Features

10.1 (10_1)

DirectX

12 Ultimate (12_2)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

8.6

4.1

Shader Model

6.6

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