ATI Radeon HD 4890 vs NVIDIA GeForce RTX 4090

VS

ATI Radeon HD 4890

NVIDIA GeForce RTX 4090

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4890 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 4890 's Advantages

Lower TDP (190W vs 450W)

NVIDIA GeForce RTX 4090 's Advantages

Released 13 years and 5 months late

Boost Clock2520MHz

More VRAM (24GB vs 1024GB)

Larger VRAM bandwidth (1.01TB/s vs 124.8GB/s)

15584 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4890

1.36 TFLOPS

GeForce RTX 4090 +5972%

82.58 TFLOPS

Radeon HD 4890

VS

GeForce RTX 4090

Graphics Card

Apr 2009

Release Date

Sep 2022

Radeon R700

Generation

GeForce 40

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2235 MHz

-

Boost Clock

2520 MHz

975 MHz

Memory Clock

1313 MHz

Memory

1024MB

Memory Size

24GB

GDDR5

Memory Type

GDDR6X

256bit

Memory Bus

384bit

124.8GB/s

Bandwidth

1.01TB/s

Render Config

10

Compute Units

-

SM Count

128

800

Shading Units

16384

40

TMUs

512

16

ROPs

176

-

Tensor Cores

512

-

RT Cores

128

16 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

72 MB

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

443.5 GPixel/s

34.00 GTexel/s

Texture Rate

1290 GTexel/s

-

FP16 (half)

82.58 TFLOPS

1360 GFLOPS

FP32 (float)

82.58 TFLOPS

272.0 GFLOPS

FP64 (double)

1290 GFLOPS

Board Design

190W

TDP

450W

450 W

Suggested PSU

850 W

2x DVI 1x S-Video

Outputs

1x HDMI 2.13x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 16-pin

Graphics Processor

RV790

GPU Name

AD102

RV790 XT (215-0758016)

GPU Variant

AD102-300-A1

TeraScale

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

55 nm

Process Size

5 nm

0.959 billion

Transistors

76.3 billion

282 mm²

Die Size

609 mm²

Graphics Features

10.1 (10_1)

DirectX

12 Ultimate (12_2)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

8.9

4.1

Shader Model

6.8

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