NVIDIA GeForce RTX 4080 16 GB vs AMD Radeon HD 7450 OEM

VS

NVIDIA GeForce RTX 4080 16 GB

AMD Radeon HD 7450 OEM

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 16 GB and 512MB VRAM Radeon HD 7450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 16 GB 's Advantages

Released 10 years and 8 months late

Boost Clock2505MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (716.8GB/s vs 8.528GB/s)

9568 additional rendering cores

AMD Radeon HD 7450 OEM 's Advantages

Lower TDP (18W vs 320W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 16 GB +24270%

48.74 TFLOPS

Radeon HD 7450 OEM

0.2 TFLOPS

GeForce RTX 4080 16 GB

VS

Radeon HD 7450 OEM

Graphics Card

Sep 2022

Release Date

Jan 2012

GeForce 40

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2205 MHz

Base Clock

-

2505 MHz

Boost Clock

-

1400 MHz

Memory Clock

533 MHz

Memory

16GB

Memory Size

512MB

GDDR6X

Memory Type

GDDR3

256bit

Memory Bus

64bit

716.8GB/s

Bandwidth

8.528GB/s

Render Config

-

Compute Units

2

76

SM Count

-

9728

Shading Units

160

304

TMUs

8

112

ROPs

4

304

Tensor Cores

-

76

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

64 MB

L2 Cache

128 KB

-

Theoretical Performance

280.6 GPixel/s

Pixel Rate

2.500 GPixel/s

761.5 GTexel/s

Texture Rate

5.000 GTexel/s

48.74 TFLOPS

FP16 (half)

-

48.74 TFLOPS

FP32 (float)

200.0 GFLOPS

761.5 GFLOPS

FP64 (double)

-

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 16-pin

Power Connectors

None

Graphics Processor

AD103

GPU Name

Caicos

AD103-300-A1

GPU Variant

Caimour

Ada Lovelace

Architecture

TeraScale 2

TSMC

Foundry

TSMC

4 nm

Process Size

40 nm

45.9 billion

Transistors

0.37 billion

379 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

-

6.6

Shader Model

5.0

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