NVIDIA GeForce RTX 4090D vs ATI Radeon HD 3870 X2

VS

NVIDIA GeForce RTX 4090D

ATI Radeon HD 3870 X2

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090D and 512MB VRAM Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090D 's Advantages

Released 15 years and 11 months late

Boost Clock2520MHz

More VRAM (24GB vs 512GB)

Larger VRAM bandwidth (1008GB/s vs 57.66GB/s)

14272 additional rendering cores

ATI Radeon HD 3870 X2 's Advantages

Lower TDP (165W vs 425W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090D +13828%

73.54 TFLOPS

Radeon HD 3870 X2

0.528 TFLOPS

GeForce RTX 4090D

VS

Radeon HD 3870 X2

Graphics Card

Dec 2023

Release Date

Jan 2008

GeForce 40

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2280 MHz

Base Clock

-

2520 MHz

Boost Clock

-

1313 MHz

Memory Clock

901 MHz

Memory

24GB

Memory Size

512MB

GDDR6X

Memory Type

GDDR3

384bit

Memory Bus

256bit

1008GB/s

Bandwidth

57.66GB/s

Render Config

-

Compute Units

4

114

SM Count

-

14592

Shading Units

320

456

TMUs

16

176

ROPs

16

456

Tensor Cores

-

114

RT Cores

-

128 KB (per SM)

L1 Cache

-

72 MB

L2 Cache

256 KB

-

Theoretical Performance

443.5 GPixel/s

Pixel Rate

13.20 GPixel/s

1149 GTexel/s

Texture Rate

13.20 GTexel/s

73.54 TFLOPS

FP16 (half)

-

73.54 TFLOPS

FP32 (float)

528.0 GFLOPS

1149 GFLOPS

FP64 (double)

105.6 GFLOPS

Board Design

425W

TDP

165W

800 W

Suggested PSU

450 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

1x 16-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

AD102

GPU Name

R680

AD102-250-A1

GPU Variant

R680 XT (215-0708017)

Ada Lovelace

Architecture

TeraScale

TSMC

Foundry

TSMC

5 nm

Process Size

55 nm

76.3 billion

Transistors

0.666 billion

609 mm²

Die Size

192 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

3.0

OpenCL

N/A

1.3

Vulkan

N/A

8.9

CUDA

-

6.7

Shader Model

4.1

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