AMD Radeon HD 7950M vs AMD Radeon RX 6450M

VS

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7950M and 4GB VRAM Radeon RX 6450M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950M 's Advantages

512 additional rendering cores

AMD Radeon RX 6450M 's Advantages

Released 10 years and 9 months late

Boost Clock2460MHz

More VRAM (4GB vs 2GB)

Lower TDP (50W vs 75W)

Score

Benchmark

FP32 (float)

Radeon HD 7950M

1.792 TFLOPS

Radeon RX 6450M +110%

3.779 TFLOPS

Radeon HD 7950M

VS

Radeon RX 6450M

Graphics Card

Apr 2012

Release Date

Jan 2023

London

Generation

Navi Mobile

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 4.0 x4

Clock Speeds

-

Base Clock

2000 MHz

-

Boost Clock

2460 MHz

1000 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

64bit

128.0GB/s

Bandwidth

128.0GB/s

Render Config

-

SM Count

-

20

Compute Units

12

1280

Shading Units

768

80

TMUs

48

32

ROPs

32

-

Tensor Cores

-

RT Cores

12

16 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

1024 KB

Theoretical Performance

22.40 GPixel/s

Pixel Rate

78.72 GPixel/s

56.00 GTexel/s

Texture Rate

118.1 GTexel/s

-

FP16 (half)

7.557 TFLOPS

1.792 TFLOPS

FP32 (float)

3.779 TFLOPS

-

FP64 (double)

236.2 GFLOPS

Graphics Processor

Wimbledon

GPU Name

Navi 24

Wimbledon PRO

GPU Variant

Navi 24 XML

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

2.8 billion

Transistors

5.4 billion

212 mm²

Die Size

107 mm²

Board Design

75W

TDP

50W

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.2

1.2

Vulkan

1.3

-

CUDA

-

5.1

Shader Model

6.7

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