NVIDIA GeForce RTX 4090D vs AMD Radeon HD 7790

VS

NVIDIA GeForce RTX 4090D

AMD Radeon HD 7790

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090D and 1024MB VRAM Radeon HD 7790 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090D 's Advantages

Released 10 years and 9 months late

Boost Clock2520MHz

More VRAM (24GB vs 1024GB)

Larger VRAM bandwidth (1008GB/s vs 96.00GB/s)

13696 additional rendering cores

AMD Radeon HD 7790 's Advantages

Lower TDP (85W vs 425W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090D +4003%

73.54 TFLOPS

Radeon HD 7790

1.792 TFLOPS

GeForce RTX 4090D

VS

Radeon HD 7790

Graphics Card

Dec 2023

Release Date

Mar 2013

GeForce 40

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2280 MHz

Base Clock

-

2520 MHz

Boost Clock

-

1313 MHz

Memory Clock

1500 MHz

Memory

24GB

Memory Size

1024MB

GDDR6X

Memory Type

GDDR5

384bit

Memory Bus

128bit

1008GB/s

Bandwidth

96.00GB/s

Render Config

-

Compute Units

14

114

SM Count

-

14592

Shading Units

896

456

TMUs

56

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

16.00 GPixel/s

1149 GTexel/s

Texture Rate

56.00 GTexel/s

73.54 TFLOPS

FP16 (half)

-

73.54 TFLOPS

FP32 (float)

1.792 TFLOPS

1149 GFLOPS

FP64 (double)

112.0 GFLOPS

Board Design

425W

TDP

85W

800 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

1x 16-pin

Power Connectors

1x 6-pin

Graphics Processor

AD102

GPU Name

Bonaire

AD102-250-A1

GPU Variant

Bonaire XT (215-0839039)

Ada Lovelace

Architecture

GCN 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

76.3 billion

Transistors

2.08 billion

609 mm²

Die Size

160 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.3

Vulkan

1.2

8.9

CUDA

-

6.7

Shader Model

6.3

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