NVIDIA GeForce RTX 3090 vs ATI Radeon HD 3450 X2

VS

NVIDIA GeForce RTX 3090

ATI Radeon HD 3450 X2

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 3090 and 512MB VRAM Radeon HD 3450 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3090 's Advantages

Released 12 years and 9 months late

Boost Clock1695MHz

More VRAM (24GB vs 512GB)

Larger VRAM bandwidth (936.2GB/s vs 8.000GB/s)

10456 additional rendering cores

ATI Radeon HD 3450 X2 's Advantages

Lower TDP (50W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3090 +74025%

35.58 TFLOPS

Radeon HD 3450 X2

0.048 TFLOPS

GeForce RTX 3090

VS

Radeon HD 3450 X2

Graphics Card

Sep 2020

Release Date

Dec 2007

GeForce 30

Generation

Radeon R600

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

500 MHz

Memory

24GB

Memory Size

512MB

GDDR6X

Memory Type

DDR2

384bit

Memory Bus

64bit

936.2GB/s

Bandwidth

8.000GB/s

Render Config

-

Compute Units

2

82

SM Count

-

10496

Shading Units

40

328

TMUs

4

112

ROPs

4

328

Tensor Cores

-

82

RT Cores

-

128 KB (per SM)

L1 Cache

-

6 MB

L2 Cache

64 KB

-

Theoretical Performance

189.8 GPixel/s

Pixel Rate

2.400 GPixel/s

556.0 GTexel/s

Texture Rate

2.400 GTexel/s

35.58 TFLOPS

FP16 (half)

-

35.58 TFLOPS

FP32 (float)

48.00 GFLOPS

556.0 GFLOPS

FP64 (double)

-

Board Design

350W

TDP

50W

750 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DMS-59

1x 12-pin

Power Connectors

None

Graphics Processor

GA102

GPU Name

RV620

GA102-300-A1

GPU Variant

RV620 LE

Ampere

Architecture

TeraScale

Samsung

Foundry

TSMC

8 nm

Process Size

55 nm

28.3 billion

Transistors

0.181 billion

628 mm²

Die Size

67 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

N/A

1.3

Vulkan

N/A

8.6

CUDA

-

6.6

Shader Model

4.1

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