AMD Radeon HD 6950M vs AMD Radeon RX 6450M

VS

AMD Radeon HD 6950M

AMD Radeon RX 6450M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6950M 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 6950M 's Advantages

192 additional rendering cores

AMD Radeon RX 6450M 's Advantages

Released 12 years late

Boost Clock2460MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (128.0GB/s vs 115.2GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 6950M

1.114 TFLOPS

Radeon RX 6450M +239%

3.779 TFLOPS

Radeon HD 6950M

VS

Radeon RX 6450M

Graphics Card

Jan 2011

Release Date

Jan 2023

Vancouver

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

900 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

64bit

115.2GB/s

Bandwidth

128.0GB/s

Render Config

12

Compute Units

12

-

960

Shading Units

768

48

TMUs

48

32

ROPs

32

-

RT Cores

12

8 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

18.56 GPixel/s

Pixel Rate

78.72 GPixel/s

27.84 GTexel/s

Texture Rate

118.1 GTexel/s

-

FP16 (half)

7.557 TFLOPS

1114 GFLOPS

FP32 (float)

3.779 TFLOPS

-

FP64 (double)

236.2 GFLOPS

Board Design

50W

TDP

50W

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Blackcomb

GPU Name

Navi 24

Blackcomb PRO

GPU Variant

Navi 24 XML

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

6 nm

1.7 billion

Transistors

5.4 billion

212 mm²

Die Size

107 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.2

N/A

Vulkan

1.3

-

5.0

Shader Model

6.7

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