NVIDIA GeForce RTX 4090 D vs ATI Radeon HD 4890

VS

NVIDIA GeForce RTX 4090 D

ATI Radeon HD 4890

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 D and 1024MB VRAM Radeon HD 4890 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 D 's Advantages

Released 14 years and 8 months late

Boost Clock2520MHz

More VRAM (24GB vs 1024GB)

Larger VRAM bandwidth (1008GB/s vs 124.8GB/s)

13792 additional rendering cores

ATI Radeon HD 4890 's Advantages

Lower TDP (190W vs 425W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 D +5307%

73.54 TFLOPS

Radeon HD 4890

1.36 TFLOPS

GeForce RTX 4090 D

VS

Radeon HD 4890

Graphics Card

Dec 2023

Release Date

Apr 2009

GeForce 40

Generation

Radeon R700

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

975 MHz

Memory

24GB

Memory Size

1024MB

GDDR6X

Memory Type

GDDR5

384bit

Memory Bus

256bit

1008GB/s

Bandwidth

124.8GB/s

Render Config

-

Compute Units

10

114

SM Count

-

14592

Shading Units

800

456

TMUs

40

176

ROPs

16

456

Tensor Cores

-

114

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

72 MB

L2 Cache

256 KB

-

Theoretical Performance

443.5 GPixel/s

Pixel Rate

13.60 GPixel/s

1149 GTexel/s

Texture Rate

34.00 GTexel/s

73.54 TFLOPS

FP16 (half)

-

73.54 TFLOPS

FP32 (float)

1360 GFLOPS

1149 GFLOPS

FP64 (double)

272.0 GFLOPS

Board Design

425W

TDP

190W

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

2x 6-pin

Graphics Processor

AD102

GPU Name

RV790

AD102-250-A1

GPU Variant

RV790 XT (215-0758016)

Ada Lovelace

Architecture

TeraScale

TSMC

Foundry

TSMC

5 nm

Process Size

55 nm

76.3 billion

Transistors

0.959 billion

609 mm²

Die Size

282 mm²

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

8.9

CUDA

-

6.7

Shader Model

4.1

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