AMD Radeon RX 6450M vs AMD Radeon HD 7750M

VS

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6450M and 2GB VRAM Radeon HD 7750M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6450M 's Advantages

Released 10 years and 9 months late

Boost Clock2460MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (128.0GB/s vs 64.00GB/s)

256 additional rendering cores

AMD Radeon HD 7750M 's Advantages

Lower TDP (28W vs 50W)

Score

Benchmark

FP32 (float)

Radeon RX 6450M +541%

3.779 TFLOPS

Radeon HD 7750M

0.589 TFLOPS

Radeon RX 6450M

VS

Radeon HD 7750M

Graphics Card

Jan 2023

Release Date

Apr 2012

Navi Mobile

Generation

London

Mobile

Type

Mobile

PCIe 4.0 x4

Bus Interface

PCIe 2.0 x16

Clock Speeds

2000 MHz

Base Clock

-

2460 MHz

Boost Clock

-

2000 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

128bit

128.0GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

12

Compute Units

8

768

Shading Units

512

48

TMUs

32

ROPs

16

-

Tensor Cores

-

12

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

Theoretical Performance

78.72 GPixel/s

Pixel Rate

9.200 GPixel/s

118.1 GTexel/s

Texture Rate

18.40 GTexel/s

7.557 TFLOPS

FP16 (half)

-

3.779 TFLOPS

FP32 (float)

588.8 GFLOPS

236.2 GFLOPS

FP64 (double)

36.80 GFLOPS

Graphics Processor

Navi 24

GPU Name

Chelsea

Navi 24 XML

GPU Variant

Chelsea PRO

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

5.4 billion

Transistors

1.5 billion

107 mm²

Die Size

123 mm²

Board Design

50W

TDP

28W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.2

OpenCL

1.2

1.3

Vulkan

1.2

-

CUDA

-

6.7

Shader Model

5.1

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