NVIDIA GeForce RTX 4090 vs ATI Radeon HD 4770

VS

NVIDIA GeForce RTX 4090

ATI Radeon HD 4770

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 and 512MB VRAM Radeon HD 4770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 's Advantages

Released 13 years and 5 months late

Boost Clock2520MHz

More VRAM (24GB vs 512GB)

Larger VRAM bandwidth (1.01TB/s vs 51.20GB/s)

15744 additional rendering cores

ATI Radeon HD 4770 's Advantages

Lower TDP (80W vs 450W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 +8502%

82.58 TFLOPS

Radeon HD 4770

0.96 TFLOPS

GeForce RTX 4090

VS

Radeon HD 4770

Graphics Card

Sep 2022

Release Date

Apr 2009

GeForce 40

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2235 MHz

Base Clock

-

2520 MHz

Boost Clock

-

1313 MHz

Memory Clock

800 MHz

Memory

24GB

Memory Size

512MB

GDDR6X

Memory Type

GDDR5

384bit

Memory Bus

128bit

1.01TB/s

Bandwidth

51.20GB/s

Render Config

-

Compute Units

8

128

SM Count

-

16384

Shading Units

640

512

TMUs

32

176

ROPs

16

512

Tensor Cores

-

128

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

72 MB

L2 Cache

128 KB

-

Theoretical Performance

443.5 GPixel/s

Pixel Rate

12.00 GPixel/s

1290 GTexel/s

Texture Rate

24.00 GTexel/s

82.58 TFLOPS

FP16 (half)

-

82.58 TFLOPS

FP32 (float)

960.0 GFLOPS

1290 GFLOPS

FP64 (double)

192.0 GFLOPS

Board Design

450W

TDP

80W

850 W

Suggested PSU

250 W

1x HDMI 2.13x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

1x 16-pin

Power Connectors

1x 6-pin

Graphics Processor

AD102

GPU Name

RV740

AD102-300-A1

GPU Variant

RV740 XT (215-0727019)

Ada Lovelace

Architecture

TeraScale

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

76.3 billion

Transistors

0.826 billion

609 mm²

Die Size

137 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

-

6.8

Shader Model

4.1

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