ATI Radeon HD 3870 Mac Edition vs NVIDIA GeForce RTX 3090 Ti

VS

ATI Radeon HD 3870 Mac Edition

NVIDIA GeForce RTX 3090 Ti

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 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 3870 Mac Edition 's Advantages

Lower TDP (106W vs 450W)

NVIDIA GeForce RTX 3090 Ti 's Advantages

Released 13 years and 7 months late

Boost Clock1860MHz

More VRAM (24GB vs 512GB)

Larger VRAM bandwidth (1008GB/s vs 72.06GB/s)

10432 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3870 Mac Edition

0.497 TFLOPS

GeForce RTX 3090 Ti +7948%

40 TFLOPS

Radeon HD 3870 Mac Edition

VS

GeForce RTX 3090 Ti

Graphics Card

Jun 2008

Release Date

Jan 2022

Radeon R600

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

1126 MHz

Memory Clock

1313 MHz

Memory

512MB

Memory Size

24GB

GDDR4

Memory Type

GDDR6X

256bit

Memory Bus

384bit

72.06GB/s

Bandwidth

1008GB/s

Render Config

4

Compute Units

-

SM Count

84

320

Shading Units

10752

16

TMUs

336

16

ROPs

112

-

Tensor Cores

336

-

RT Cores

84

-

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

6 MB

-

Theoretical Performance

12.43 GPixel/s

Pixel Rate

208.3 GPixel/s

12.43 GTexel/s

Texture Rate

625.0 GTexel/s

-

FP16 (half)

40.00 TFLOPS

497.3 GFLOPS

FP32 (float)

40.00 TFLOPS

99.46 GFLOPS

FP64 (double)

625.0 GFLOPS

Board Design

106W

TDP

450W

300 W

Suggested PSU

850 W

2x DVI 1x S-Video

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

1x 16-pin

Graphics Processor

RV670

GPU Name

GA102

RV670 XT (215-0708005)

GPU Variant

GA102-350-A1

TeraScale

Architecture

Ampere

TSMC

Foundry

Samsung

55 nm

Process Size

8 nm

0.666 billion

Transistors

28.3 billion

192 mm²

Die Size

628 mm²

Graphics Features

10.1 (10_1)

DirectX

12 Ultimate (12_2)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

8.6

4.1

Shader Model

6.6

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