AMD Radeon RX 7700 XT vs ATI Radeon HD 3450 PCI

VS

AMD Radeon RX 7700 XT

ATI Radeon HD 3450 PCI

We compared two Desktop platform GPUs: 12GB VRAM Radeon RX 7700 XT 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 7700 XT 's Advantages

Released 15 years and 7 months late

Boost Clock2544MHz

More VRAM (12GB vs 512GB)

Larger VRAM bandwidth (432.0GB/s vs 6.400GB/s)

3416 additional rendering cores

ATI Radeon HD 3450 PCI 's Advantages

Lower TDP (25W vs 245W)

Score

Benchmark

FP32 (float)

Radeon RX 7700 XT +73170%

35.17 TFLOPS

Radeon HD 3450 PCI

0.048 TFLOPS

Radeon RX 7700 XT

VS

Radeon HD 3450 PCI

Graphics Card

Aug 2023

Release Date

Jan 2008

Navi III

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCI

Clock Speeds

1435 MHz

Base Clock

-

2544 MHz

Boost Clock

-

2250 MHz

Memory Clock

400 MHz

Memory

12GB

Memory Size

512MB

GDDR6

Memory Type

DDR2

192bit

Memory Bus

64bit

432.0GB/s

Bandwidth

6.400GB/s

Render Config

54

Compute Units

2

-

3456

Shading Units

40

216

TMUs

4

96

ROPs

4

-

54

RT Cores

-

128 KB per Array

L1 Cache

-

2 MB

L2 Cache

64 KB

48 MB

L3 Cache

-

Theoretical Performance

244.2 GPixel/s

Pixel Rate

2.400 GPixel/s

549.5 GTexel/s

Texture Rate

2.400 GTexel/s

70.34 TFLOPS

FP16 (half)

-

35.17 TFLOPS

FP32 (float)

48.00 GFLOPS

1099 GFLOPS

FP64 (double)

-

Board Design

245W

TDP

25W

550 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 32

GPU Name

RV620

Navi 32 XL (215-180000076)

GPU Variant

RV620 LE

RDNA 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

5 nm

Process Size

55 nm

28.1 billion

Transistors

0.181 billion

346 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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