NVIDIA GeForce RTX 3090 vs AMD Radeon HD 6750

VS

NVIDIA GeForce RTX 3090

AMD Radeon HD 6750

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 3090 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 3090 's Advantages

Released 9 years and 8 months late

Boost Clock1695MHz

More VRAM (24GB vs 1024GB)

Larger VRAM bandwidth (936.2GB/s vs 73.60GB/s)

9776 additional rendering cores

AMD Radeon HD 6750 's Advantages

Lower TDP (86W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3090 +3429%

35.58 TFLOPS

Radeon HD 6750

1.008 TFLOPS

GeForce RTX 3090

VS

Radeon HD 6750

Graphics Card

Sep 2020

Release Date

Jan 2011

GeForce 30

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1395 MHz

Base Clock

-

1695 MHz

Boost Clock

-

1219 MHz

Memory Clock

1150 MHz

Memory

24GB

Memory Size

1024MB

GDDR6X

Memory Type

GDDR5

384bit

Memory Bus

128bit

936.2GB/s

Bandwidth

73.60GB/s

Render Config

-

Compute Units

9

82

SM Count

-

10496

Shading Units

720

328

TMUs

36

112

ROPs

16

328

Tensor Cores

-

82

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

6 MB

L2 Cache

256 KB

-

Theoretical Performance

189.8 GPixel/s

Pixel Rate

11.20 GPixel/s

556.0 GTexel/s

Texture Rate

25.20 GTexel/s

35.58 TFLOPS

FP16 (half)

-

35.58 TFLOPS

FP32 (float)

1008 GFLOPS

556.0 GFLOPS

FP64 (double)

-

Board Design

350W

TDP

86W

750 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

1x 12-pin

Power Connectors

1x 6-pin

Graphics Processor

GA102

GPU Name

Juniper

GA102-300-A1

GPU Variant

Juniper LE (215-0754009)

Ampere

Architecture

TeraScale 2

Samsung

Foundry

TSMC

8 nm

Process Size

40 nm

28.3 billion

Transistors

1.04 billion

628 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

8.6

CUDA

-

6.6

Shader Model

5.0

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