AMD Radeon RX 7900 GRE vs ATI Radeon HD 3450 AGP

VS

AMD Radeon RX 7900 GRE

ATI Radeon HD 3450 AGP

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7900 GRE 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 7900 GRE 's Advantages

Released 15 years and 6 months late

Boost Clock2245MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (576.0GB/s vs 8.000GB/s)

5080 additional rendering cores

ATI Radeon HD 3450 AGP 's Advantages

Lower TDP (25W vs 260W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 GRE +95691%

45.98 TFLOPS

Radeon HD 3450 AGP

0.048 TFLOPS

Radeon RX 7900 GRE

VS

Radeon HD 3450 AGP

Graphics Card

Jul 2023

Release Date

Jan 2008

Navi III

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

AGP 8x

Clock Speeds

1287 MHz

Base Clock

-

2245 MHz

Boost Clock

-

2250 MHz

Memory Clock

500 MHz

Memory

16GB

Memory Size

512MB

GDDR6

Memory Type

DDR2

256bit

Memory Bus

64bit

576.0GB/s

Bandwidth

8.000GB/s

Render Config

80

Compute Units

2

-

5120

Shading Units

40

320

TMUs

4

160

ROPs

4

-

80

RT Cores

-

256 KB per Array

L1 Cache

-

6 MB

L2 Cache

64 KB

64 MB

L3 Cache

-

Theoretical Performance

359.2 GPixel/s

Pixel Rate

2.400 GPixel/s

718.4 GTexel/s

Texture Rate

2.400 GTexel/s

91.96 TFLOPS

FP16 (half)

-

45.98 TFLOPS

FP32 (float)

48.00 GFLOPS

1437 GFLOPS

FP64 (double)

-

Board Design

260W

TDP

25W

600 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 XL (215-145000206)

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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