NVIDIA GeForce RTX 4080 Ti vs AMD Radeon HD 6450 OEM

VS

NVIDIA GeForce RTX 4080 Ti

AMD Radeon HD 6450 OEM

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 Ti 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 4080 Ti 's Advantages

Boost Clock2610MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (678.4GB/s vs 8.528GB/s)

13920 additional rendering cores

AMD Radeon HD 6450 OEM 's Advantages

Lower TDP (18W vs 400W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 Ti +36650%

73.5 TFLOPS

Radeon HD 6450 OEM

0.2 TFLOPS

GeForce RTX 4080 Ti

VS

Radeon HD 6450 OEM

Graphics Card

Unknown

Release Date

Feb 2011

GeForce 40

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2340 MHz

Base Clock

-

2610 MHz

Boost Clock

-

1325 MHz

Memory Clock

533 MHz

Memory

16GB

Memory Size

512MB

GDDR6X

Memory Type

GDDR3

256bit

Memory Bus

64bit

678.4GB/s

Bandwidth

8.528GB/s

Render Config

-

Compute Units

2

110

SM Count

-

14080

Shading Units

160

440

TMUs

8

144

ROPs

4

440

Tensor Cores

-

110

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

80 MB

L2 Cache

128 KB

-

Theoretical Performance

375.8 GPixel/s

Pixel Rate

2.500 GPixel/s

1148 GTexel/s

Texture Rate

5.000 GTexel/s

73.50 TFLOPS

FP16 (half)

-

73.50 TFLOPS

FP32 (float)

200.0 GFLOPS

1148 GFLOPS

FP64 (double)

-

Board Design

400W

TDP

18W

800 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 16-pin

Power Connectors

None

Graphics Processor

AD102

GPU Name

Caicos

AD102-225-A1

GPU Variant

Junbonator

Ada Lovelace

Architecture

TeraScale 2

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

76.3 billion

Transistors

0.37 billion

609 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

8.9

CUDA

-

6.7

Shader Model

5.0

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