NVIDIA GeForce RTX 3070 vs AMD Radeon HD 6450 OEM

VS

NVIDIA GeForce RTX 3070

AMD Radeon HD 6450 OEM

We compared two Desktop platform GPUs: 8GB VRAM GeForce RTX 3070 and 512MB VRAM Radeon HD 6450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3070 's Advantages

Released 9 years and 7 months late

Boost Clock1725MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (448.0GB/s vs 8.528GB/s)

5728 additional rendering cores

AMD Radeon HD 6450 OEM 's Advantages

Lower TDP (18W vs 220W)

Score

Benchmark

FP32 (float)

GeForce RTX 3070 +10055%

20.31 TFLOPS

Radeon HD 6450 OEM

0.2 TFLOPS

GeForce RTX 3070

VS

Radeon HD 6450 OEM

Graphics Card

Sep 2020

Release Date

Feb 2011

GeForce 30

Generation

Northern Islands

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

533 MHz

Memory

8GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

256bit

Memory Bus

64bit

448.0GB/s

Bandwidth

8.528GB/s

Render Config

-

Compute Units

2

46

SM Count

-

5888

Shading Units

160

184

TMUs

8

96

ROPs

4

184

Tensor Cores

-

46

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

128 KB

-

Theoretical Performance

165.6 GPixel/s

Pixel Rate

2.500 GPixel/s

317.4 GTexel/s

Texture Rate

5.000 GTexel/s

20.31 TFLOPS

FP16 (half)

-

20.31 TFLOPS

FP32 (float)

200.0 GFLOPS

317.4 GFLOPS

FP64 (double)

-

Board Design

220W

TDP

18W

550 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 12-pin

Power Connectors

None

Graphics Processor

GA104

GPU Name

Caicos

GA104-300-A1

GPU Variant

Junbonator

Ampere

Architecture

TeraScale 2

Samsung

Foundry

TSMC

8 nm

Process Size

40 nm

17.4 billion

Transistors

0.37 billion

392 mm²

Die Size

67 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

8.6

CUDA

-

6.6

Shader Model

5.0

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