AMD Radeon RX 7950 XT vs ATI Radeon HD 3450 AGP

VS

AMD Radeon RX 7950 XT

ATI Radeon HD 3450 AGP

We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7950 XT and 512MB VRAM Radeon HD 3450 AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7950 XT 's Advantages

Boost Clock3000MHz

More VRAM (20GB vs 512GB)

Larger VRAM bandwidth (800.0GB/s vs 8.000GB/s)

5336 additional rendering cores

ATI Radeon HD 3450 AGP 's Advantages

Lower TDP (25W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7950 XT +134295%

64.51 TFLOPS

Radeon HD 3450 AGP

0.048 TFLOPS

Radeon RX 7950 XT

VS

Radeon HD 3450 AGP

Graphics Card

Unknown

Release Date

Jan 2008

Navi III

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

AGP 8x

Clock Speeds

2000 MHz

Base Clock

-

3000 MHz

Boost Clock

-

2500 MHz

Memory Clock

500 MHz

Memory

20GB

Memory Size

512MB

GDDR6

Memory Type

DDR2

320bit

Memory Bus

64bit

800.0GB/s

Bandwidth

8.000GB/s

Render Config

84

Compute Units

2

-

5376

Shading Units

40

336

TMUs

4

192

ROPs

4

-

84

RT Cores

-

256 KB per Array

L1 Cache

-

6 MB

L2 Cache

64 KB

80 MB

L3 Cache

-

Theoretical Performance

576.0 GPixel/s

Pixel Rate

2.400 GPixel/s

1008 GTexel/s

Texture Rate

2.400 GTexel/s

129.0 TFLOPS

FP16 (half)

-

64.51 TFLOPS

FP32 (float)

48.00 GFLOPS

2.016 TFLOPS

FP64 (double)

-

Board Design

300W

TDP

25W

700 W

Suggested PSU

200 W

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

Outputs

2x DVI

2x 8-pin

Power Connectors

1x Molex

Graphics Processor

Navi 31

GPU Name

RV620

Navi 31 XT+

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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