NVIDIA GeForce RTX 4090 vs AMD Radeon HD 6750

VS

NVIDIA GeForce RTX 4090

AMD Radeon HD 6750

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 and 1024MB VRAM Radeon HD 6750 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 's Advantages

Released 11 years and 8 months late

Boost Clock2520MHz

More VRAM (24GB vs 1024GB)

Larger VRAM bandwidth (1.01TB/s vs 73.60GB/s)

15664 additional rendering cores

AMD Radeon HD 6750 's Advantages

Lower TDP (86W vs 450W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 +8092%

82.58 TFLOPS

Radeon HD 6750

1.008 TFLOPS

GeForce RTX 4090

VS

Radeon HD 6750

Graphics Card

Sep 2022

Release Date

Jan 2011

GeForce 40

Generation

Northern Islands

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

1150 MHz

Memory

24GB

Memory Size

1024MB

GDDR6X

Memory Type

GDDR5

384bit

Memory Bus

128bit

1.01TB/s

Bandwidth

73.60GB/s

Render Config

-

Compute Units

9

128

SM Count

-

16384

Shading Units

720

512

TMUs

36

176

ROPs

16

512

Tensor Cores

-

128

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

72 MB

L2 Cache

256 KB

-

Theoretical Performance

443.5 GPixel/s

Pixel Rate

11.20 GPixel/s

1290 GTexel/s

Texture Rate

25.20 GTexel/s

82.58 TFLOPS

FP16 (half)

-

82.58 TFLOPS

FP32 (float)

1008 GFLOPS

1290 GFLOPS

FP64 (double)

-

Board Design

450W

TDP

86W

850 W

Suggested PSU

250 W

1x HDMI 2.13x DisplayPort 1.4a

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

1x 16-pin

Power Connectors

1x 6-pin

Graphics Processor

AD102

GPU Name

Juniper

AD102-300-A1

GPU Variant

Juniper LE (215-0754009)

Ada Lovelace

Architecture

TeraScale 2

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

76.3 billion

Transistors

1.04 billion

609 mm²

Die Size

166 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

8.9

CUDA

-

6.8

Shader Model

5.0

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