AMD Radeon HD 7450 OEM vs NVIDIA GeForce RTX 5080

VS

AMD Radeon HD 7450 OEM

NVIDIA GeForce RTX 5080

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 7450 OEM and 16GB VRAM GeForce RTX 5080 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7450 OEM 's Advantages

Lower TDP (18W vs 350W)

NVIDIA GeForce RTX 5080 's Advantages

Released 13 years late

Boost Clock2520MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (973.8GB/s vs 8.528GB/s)

10592 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7450 OEM

0.2 TFLOPS

GeForce RTX 5080 +26995%

54.19 TFLOPS

Radeon HD 7450 OEM

VS

GeForce RTX 5080

Graphics Card

Jan 2012

Release Date

Jan 2025

Southern Islands

Generation

GeForce 50

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

-

Base Clock

2235 MHz

-

Boost Clock

2520 MHz

533 MHz

Memory Clock

2400 MHz

Memory

512MB

Memory Size

16GB

GDDR3

Memory Type

GDDR7

64bit

Memory Bus

256bit

8.528GB/s

Bandwidth

973.8GB/s

Render Config

2

Compute Units

-

SM Count

84

160

Shading Units

10752

8

TMUs

336

4

ROPs

128

-

Tensor Cores

336

-

RT Cores

84

8 KB (per CU)

L1 Cache

128 KB (per SM)

128 KB

L2 Cache

64 MB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

322.6 GPixel/s

5.000 GTexel/s

Texture Rate

846.7 GTexel/s

-

FP16 (half)

54.19 TFLOPS

200.0 GFLOPS

FP32 (float)

54.19 TFLOPS

-

FP64 (double)

846.7 GFLOPS

Board Design

18W

TDP

350W

200 W

Suggested PSU

750 W

1x DVI 1x HDMI 1.3a

Outputs

1x HDMI 2.1 3x DisplayPort 2.1a

None

Power Connectors

1x 16-pin

Graphics Processor

Caicos

GPU Name

GB203

Caimour

GPU Variant

GB203-400-A1

TeraScale 2

Architecture

Blackwell 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

0

0.37 billion

Transistors

Unknown

67 mm²

Die Size

377 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

10.1

5.0

Shader Model

6.8

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