NVIDIA GeForce RTX 4080 SUPER vs AMD Radeon HD 6450

VS

NVIDIA GeForce RTX 4080 SUPER AMD Radeon HD 6450

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

Released 12 years and 9 months late

Boost Clock2550MHz

Larger VRAM bandwidth (736.3GB/s vs 25.60GB/s)

10080 additional rendering cores

AMD Radeon HD 6450 's Advantages

Lower TDP (18W vs 320W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 SUPER +26010%

52.22 TFLOPS

Radeon HD 6450

0.2 TFLOPS

GeForce RTX 4080 SUPER

VS

Radeon HD 6450

Graphics Card

Jan 2024

Release Date

Apr 2011

GeForce 40

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2295 MHz

Base Clock

-

2550 MHz

Boost Clock

-

1438 MHz

Memory Clock

800 MHz

Memory

16GB

Memory Size

512MB

GDDR6X

Memory Type

GDDR5

256bit

Memory Bus

64bit

736.3GB/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)

64 MB

L2 Cache

128 KB

Theoretical Performance

285.6 GPixel/s

Pixel Rate

2.500 GPixel/s

816.0 GTexel/s

Texture Rate

5.000 GTexel/s

52.22 TFLOPS

FP16 (half)

-

52.22 TFLOPS

FP32 (float)

200.0 GFLOPS

816.0 GFLOPS

FP64 (double)

-

Graphics Processor

AD103

GPU Name

Caicos

AD103-400-A1

GPU Variant

Caicos PRO

Ada Lovelace

Architecture

TeraScale 2

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

45.9 billion

Transistors

0.37 billion

379 mm²

Die Size

67 mm²

Board Design

320W

TDP

18W

700 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 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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