NVIDIA GeForce RTX 3090 Ti vs ATI Radeon HD 4870

VS

NVIDIA GeForce RTX 3090 Ti ATI Radeon HD 4870

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

Main Differences

NVIDIA GeForce RTX 3090 Ti 's Advantages

Released 13 years and 7 months late

Boost Clock1860MHz

Larger VRAM bandwidth (1008GB/s vs 115.2GB/s)

9952 additional rendering cores

ATI Radeon HD 4870 's Advantages

Lower TDP (150W vs 450W)

Score

Benchmark

FP32 (float)

GeForce RTX 3090 Ti +3233%

40 TFLOPS

Radeon HD 4870

1.2 TFLOPS

GeForce RTX 3090 Ti

VS

Radeon HD 4870

Graphics Card

Jan 2022

Release Date

Jun 2008

GeForce 30

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1560 MHz

Base Clock

-

1860 MHz

Boost Clock

-

1313 MHz

Memory Clock

900 MHz

Memory

24GB

Memory Size

512MB

GDDR6X

Memory Type

GDDR5

384bit

Memory Bus

256bit

1008GB/s

Bandwidth

115.2GB/s

Render Config

84

SM Count

-

Compute Units

10

10752

Shading Units

800

336

TMUs

40

112

ROPs

16

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

256 KB

Theoretical Performance

208.3 GPixel/s

Pixel Rate

12.00 GPixel/s

625.0 GTexel/s

Texture Rate

30.00 GTexel/s

40.00 TFLOPS

FP16 (half)

-

40.00 TFLOPS

FP32 (float)

1200 GFLOPS

625.0 GFLOPS

FP64 (double)

240.0 GFLOPS

Graphics Processor

GA102

GPU Name

RV770

GA102-350-A1

GPU Variant

RV770 XT (215-0669049)

Ampere

Architecture

TeraScale

Samsung

Foundry

TSMC

8 nm

Process Size

55 nm

28.3 billion

Transistors

0.956 billion

628 mm²

Die Size

256 mm²

Board Design

450W

TDP

150W

850 W

Suggested PSU

450 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

1x 16-pin

Power Connectors

2x 6-pin

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

-

6.6

Shader Model

4.1

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