NVIDIA GeForce RTX 3080 Ti vs AMD Radeon HD 6450

VS

NVIDIA GeForce RTX 3080 Ti AMD Radeon HD 6450

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 3080 Ti and 512MB VRAM Radeon HD 6450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Ti 's Advantages

Released 10 years and 1 months late

Boost Clock1665MHz

Larger VRAM bandwidth (912.4GB/s vs 25.60GB/s)

10080 additional rendering cores

AMD Radeon HD 6450 's Advantages

Lower TDP (18W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Ti +16950%

34.1 TFLOPS

Radeon HD 6450

0.2 TFLOPS

GeForce RTX 3080 Ti

VS

Radeon HD 6450

Graphics Card

May 2021

Release Date

Apr 2011

GeForce 30

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1365 MHz

Base Clock

-

1665 MHz

Boost Clock

-

1188 MHz

Memory Clock

800 MHz

Memory

12GB

Memory Size

512MB

GDDR6X

Memory Type

GDDR5

384bit

Memory Bus

64bit

912.4GB/s

Bandwidth

25.60GB/s

Render Config

80

SM Count

-

Compute Units

2

10240

Shading Units

160

320

TMUs

8

112

ROPs

4

320

Tensor Cores

-

80

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

6 MB

L2 Cache

128 KB

Theoretical Performance

186.5 GPixel/s

Pixel Rate

2.500 GPixel/s

532.8 GTexel/s

Texture Rate

5.000 GTexel/s

34.10 TFLOPS

FP16 (half)

-

34.10 TFLOPS

FP32 (float)

200.0 GFLOPS

532.8 GFLOPS

FP64 (double)

-

Graphics Processor

GA102

GPU Name

Caicos

GA102-225-A1

GPU Variant

Caicos PRO

Ampere

Architecture

TeraScale 2

Samsung

Foundry

TSMC

8 nm

Process Size

40 nm

28.3 billion

Transistors

0.37 billion

628 mm²

Die Size

67 mm²

Board Design

350W

TDP

18W

750 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 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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