NVIDIA GeForce RTX 5090 vs ATI Radeon HD 3450 X2

VS

NVIDIA GeForce RTX 5090

ATI Radeon HD 3450 X2

We compared two Desktop platform GPUs: 32GB VRAM GeForce RTX 5090 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 5090 's Advantages

Released 17 years and 1 months late

Boost Clock2520MHz

More VRAM (32GB vs 512GB)

Larger VRAM bandwidth (1.52TB/s vs 8.000GB/s)

21720 additional rendering cores

ATI Radeon HD 3450 X2 's Advantages

Lower TDP (50W vs 500W)

Score

Benchmark

FP32 (float)

GeForce RTX 5090 +228441%

109.7 TFLOPS

Radeon HD 3450 X2

0.048 TFLOPS

GeForce RTX 5090

VS

Radeon HD 3450 X2

Graphics Card

Jan 2025

Release Date

Dec 2007

GeForce 50

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2235 MHz

Base Clock

-

2520 MHz

Boost Clock

-

1875 MHz

Memory Clock

500 MHz

Memory

32GB

Memory Size

512MB

GDDR7

Memory Type

DDR2

512bit

Memory Bus

64bit

1.52TB/s

Bandwidth

8.000GB/s

Render Config

-

Compute Units

2

170

SM Count

-

21760

Shading Units

40

680

TMUs

4

192

ROPs

4

680

Tensor Cores

-

170

RT Cores

-

128 KB (per SM)

L1 Cache

-

88 MB

L2 Cache

64 KB

-

Theoretical Performance

483.8 GPixel/s

Pixel Rate

2.400 GPixel/s

1714 GTexel/s

Texture Rate

2.400 GTexel/s

109.7 TFLOPS

FP16 (half)

-

109.7 TFLOPS

FP32 (float)

48.00 GFLOPS

1.714 TFLOPS

FP64 (double)

-

Board Design

500W

TDP

50W

900 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 2.1a

Outputs

2x DMS-59

1x 16-pin

Power Connectors

None

Graphics Processor

GB202

GPU Name

RV620

GB202-400-A1

GPU Variant

RV620 LE

Blackwell 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

4 nm

Process Size

55 nm

Unknown

Transistors

0.181 billion

Unknown

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

10.1

CUDA

-

6.8

Shader Model

4.1

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