NVIDIA GeForce RTX 3070 vs ATI Radeon HD 3450

VS

NVIDIA GeForce RTX 3070

ATI Radeon HD 3450

We compared two Desktop platform GPUs: 8GB VRAM GeForce RTX 3070 and 256MB VRAM Radeon HD 3450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3070 's Advantages

Released 12 years and 9 months late

Boost Clock1725MHz

More VRAM (8GB vs 256GB)

Larger VRAM bandwidth (448.0GB/s vs 8.000GB/s)

5848 additional rendering cores

ATI Radeon HD 3450 's Advantages

Lower TDP (25W vs 220W)

Score

Benchmark

FP32 (float)

GeForce RTX 3070 +42212%

20.31 TFLOPS

Radeon HD 3450

0.048 TFLOPS

GeForce RTX 3070

VS

Radeon HD 3450

Graphics Card

Sep 2020

Release Date

Dec 2007

GeForce 30

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1500 MHz

Base Clock

-

1725 MHz

Boost Clock

-

1750 MHz

Memory Clock

500 MHz

Memory

8GB

Memory Size

256MB

GDDR6

Memory Type

DDR2

256bit

Memory Bus

64bit

448.0GB/s

Bandwidth

8.000GB/s

Render Config

-

Compute Units

2

46

SM Count

-

5888

Shading Units

40

184

TMUs

4

96

ROPs

4

184

Tensor Cores

-

46

RT Cores

-

128 KB (per SM)

L1 Cache

-

4 MB

L2 Cache

64 KB

-

Theoretical Performance

165.6 GPixel/s

Pixel Rate

2.400 GPixel/s

317.4 GTexel/s

Texture Rate

2.400 GTexel/s

20.31 TFLOPS

FP16 (half)

-

20.31 TFLOPS

FP32 (float)

48.00 GFLOPS

317.4 GFLOPS

FP64 (double)

-

Board Design

220W

TDP

25W

550 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x VGA 1x S-Video

1x 12-pin

Power Connectors

None

Graphics Processor

GA104

GPU Name

RV620

GA104-300-A1

GPU Variant

RV620 LE

Ampere

Architecture

TeraScale

Samsung

Foundry

TSMC

8 nm

Process Size

55 nm

17.4 billion

Transistors

0.181 billion

392 mm²

Die Size

67 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

N/A

1.3

Vulkan

N/A

8.6

CUDA

-

6.6

Shader Model

4.1

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