ATI Radeon HD 3870 AGP vs NVIDIA GeForce RTX 4090

VS

ATI Radeon HD 3870 AGP

NVIDIA GeForce RTX 4090

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 AGP and 24GB VRAM GeForce RTX 4090 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3870 AGP 's Advantages

Lower TDP (106W vs 450W)

NVIDIA GeForce RTX 4090 's Advantages

Boost Clock2520MHz

More VRAM (24GB vs 512GB)

Larger VRAM bandwidth (1.01TB/s vs 72.06GB/s)

16064 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3870 AGP

0.497 TFLOPS

GeForce RTX 4090 +16515%

82.58 TFLOPS

Radeon HD 3870 AGP

VS

GeForce RTX 4090

Graphics Card

Unknown

Release Date

Sep 2022

Radeon R600

Generation

GeForce 40

Desktop

Type

Desktop

AGP 8x

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2235 MHz

-

Boost Clock

2520 MHz

1126 MHz

Memory Clock

1313 MHz

Memory

512MB

Memory Size

24GB

GDDR4

Memory Type

GDDR6X

256bit

Memory Bus

384bit

72.06GB/s

Bandwidth

1.01TB/s

Render Config

4

Compute Units

-

SM Count

128

320

Shading Units

16384

16

TMUs

512

16

ROPs

176

-

Tensor Cores

512

-

RT Cores

128

-

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

72 MB

-

Theoretical Performance

12.43 GPixel/s

Pixel Rate

443.5 GPixel/s

12.43 GTexel/s

Texture Rate

1290 GTexel/s

-

FP16 (half)

82.58 TFLOPS

497.3 GFLOPS

FP32 (float)

82.58 TFLOPS

99.46 GFLOPS

FP64 (double)

1290 GFLOPS

Board Design

106W

TDP

450W

300 W

Suggested PSU

850 W

2x DVI 1x S-Video

Outputs

1x HDMI 2.13x DisplayPort 1.4a

1x 8-pin

Power Connectors

1x 16-pin

Graphics Processor

RV670

GPU Name

AD102

RV670 XT (215-0708005)

GPU Variant

AD102-300-A1

TeraScale

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

55 nm

Process Size

5 nm

0.666 billion

Transistors

76.3 billion

192 mm²

Die Size

609 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

8.9

4.1

Shader Model

6.8

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