AMD Radeon RX 7800 vs ATI Radeon HD 3450 PCI

VS

AMD Radeon RX 7800 ATI Radeon HD 3450 PCI

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7800 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 7800 's Advantages

Released 15 years late

Boost Clock2800MHz

Larger VRAM bandwidth (576.0GB/s vs 6.400GB/s)

3800 additional rendering cores

ATI Radeon HD 3450 PCI 's Advantages

Lower TDP (25W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7800 +77650%

37.32 TFLOPS

Radeon HD 3450 PCI

0.048 TFLOPS

Radeon RX 7800

VS

Radeon HD 3450 PCI

Graphics Card

Jan 2023

Release Date

Jan 2008

Navi III

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCI

Clock Speeds

1800 MHz

Base Clock

-

2800 MHz

Boost Clock

-

2250 MHz

Memory Clock

400 MHz

Memory

16GB

Memory Size

512MB

GDDR6

Memory Type

DDR2

256bit

Memory Bus

64bit

576.0GB/s

Bandwidth

6.400GB/s

Render Config

-

SM Count

-

60

Compute Units

2

3840

Shading Units

40

240

TMUs

4

128

ROPs

4

-

Tensor Cores

-

60

RT Cores

-

128 KB per Array

L1 Cache

-

4 MB

L2 Cache

64 KB

Theoretical Performance

358.4 GPixel/s

Pixel Rate

2.400 GPixel/s

672.0 GTexel/s

Texture Rate

2.400 GTexel/s

86.02 TFLOPS

FP16 (half)

-

43.01 TFLOPS

FP32 (float)

48.00 GFLOPS

1344 GFLOPS

FP64 (double)

-

Graphics Processor

Navi 32

GPU Name

RV620

Navi 32 XT

GPU Variant

RV620 LE

RDNA 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

5 nm

Process Size

55 nm

Unknown

Transistors

0.181 billion

346 mm²

Die Size

67 mm²

Board Design

300W

TDP

25W

700 W

Suggested PSU

200 W

1x HDMI 2.1a 3x DisplayPort 2.1

Outputs

1x DVI 1x S-Video

2x 8-pin

Power Connectors

None

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

-

CUDA

-

6.7

Shader Model

4.1

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