NVIDIA GeForce RTX 4090 vs AMD Radeon HD 7750

VS

NVIDIA GeForce RTX 4090

AMD Radeon HD 7750

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 and 1024MB VRAM Radeon HD 7750 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 's Advantages

Released 10 years and 7 months late

Boost Clock2520MHz

More VRAM (24GB vs 1024GB)

Larger VRAM bandwidth (1.01TB/s vs 72.00GB/s)

15872 additional rendering cores

AMD Radeon HD 7750 's Advantages

Lower TDP (55W vs 450W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 +9983%

82.58 TFLOPS

Radeon HD 7750

0.819 TFLOPS

GeForce RTX 4090

VS

Radeon HD 7750

Graphics Card

Sep 2022

Release Date

Feb 2012

GeForce 40

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2235 MHz

Base Clock

-

2520 MHz

Boost Clock

-

1313 MHz

Memory Clock

1125 MHz

Memory

24GB

Memory Size

1024MB

GDDR6X

Memory Type

GDDR5

384bit

Memory Bus

128bit

1.01TB/s

Bandwidth

72.00GB/s

Render Config

-

Compute Units

8

128

SM Count

-

16384

Shading Units

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

256 KB

-

Theoretical Performance

443.5 GPixel/s

Pixel Rate

12.80 GPixel/s

1290 GTexel/s

Texture Rate

25.60 GTexel/s

82.58 TFLOPS

FP16 (half)

-

82.58 TFLOPS

FP32 (float)

819.2 GFLOPS

1290 GFLOPS

FP64 (double)

51.20 GFLOPS

Board Design

450W

TDP

55W

850 W

Suggested PSU

250 W

1x HDMI 2.13x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

1x 16-pin

Power Connectors

None

Graphics Processor

AD102

GPU Name

Cape Verde

AD102-300-A1

GPU Variant

Cape Verde PRO

Ada Lovelace

Architecture

GCN 1.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

76.3 billion

Transistors

1.5 billion

609 mm²

Die Size

123 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

8.9

CUDA

-

6.8

Shader Model

5.1

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