AMD Radeon RX 7900 XTX vs ATI Radeon HD 3450 PCI

VS

AMD Radeon RX 7900 XTX

ATI Radeon HD 3450 PCI

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7900 XTX and 512MB VRAM Radeon HD 3450 PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900 XTX 's Advantages

Released 14 years and 10 months late

Boost Clock2498MHz

More VRAM (24GB vs 512GB)

Larger VRAM bandwidth (960.0GB/s vs 6.400GB/s)

6104 additional rendering cores

ATI Radeon HD 3450 PCI 's Advantages

Lower TDP (25W vs 355W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XTX +127795%

61.39 TFLOPS

Radeon HD 3450 PCI

0.048 TFLOPS

Radeon RX 7900 XTX

VS

Radeon HD 3450 PCI

Graphics Card

Nov 2022

Release Date

Jan 2008

Navi III

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCI

Clock Speeds

1929 MHz

Base Clock

-

2498 MHz

Boost Clock

-

2500 MHz

Memory Clock

400 MHz

Memory

24GB

Memory Size

512MB

GDDR6

Memory Type

DDR2

384bit

Memory Bus

64bit

960.0GB/s

Bandwidth

6.400GB/s

Render Config

96

Compute Units

2

-

6144

Shading Units

40

384

TMUs

4

192

ROPs

4

-

96

RT Cores

-

256 KB per Array

L1 Cache

-

6 MB

L2 Cache

64 KB

96 MB

L3 Cache

-

Theoretical Performance

479.6 GPixel/s

Pixel Rate

2.400 GPixel/s

959.2 GTexel/s

Texture Rate

2.400 GTexel/s

122.8 TFLOPS

FP16 (half)

-

61.39 TFLOPS

FP32 (float)

48.00 GFLOPS

1.918 TFLOPS

FP64 (double)

-

Board Design

355W

TDP

25W

750 W

Suggested PSU

200 W

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

Outputs

1x DVI 1x S-Video

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 31

GPU Name

RV620

Navi 31 XTX (215-145000146)

GPU Variant

RV620 LE

RDNA 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

5 nm

Process Size

55 nm

57.7 billion

Transistors

0.181 billion

529 mm²

Die Size

67 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.2

OpenCL

N/A

1.3

Vulkan

N/A

-

6.7

Shader Model

4.1

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