AMD Radeon HD 6770M Mac Edition vs AMD Radeon RX 6450M

VS

AMD Radeon HD 6770M Mac Edition

AMD Radeon RX 6450M

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6770M Mac Edition 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 6770M Mac Edition 's Advantages

Lower TDP (35W vs 50W)

AMD Radeon RX 6450M 's Advantages

Released 12 years late

Boost Clock2460MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (128.0GB/s vs 57.60GB/s)

288 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6770M Mac Edition

0.696 TFLOPS

Radeon RX 6450M +442%

3.779 TFLOPS

Radeon HD 6770M Mac Edition

VS

Radeon RX 6450M

Graphics Card

Jan 2011

Release Date

Jan 2023

Vancouver

Generation

Navi Mobile

Mobile

Type

Mobile

MXM-A (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

512MB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

64bit

57.60GB/s

Bandwidth

128.0GB/s

Render Config

6

Compute Units

12

-

480

Shading Units

768

24

TMUs

48

8

ROPs

32

-

RT Cores

12

8 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

5.800 GPixel/s

Pixel Rate

78.72 GPixel/s

17.40 GTexel/s

Texture Rate

118.1 GTexel/s

-

FP16 (half)

7.557 TFLOPS

696.0 GFLOPS

FP32 (float)

3.779 TFLOPS

-

FP64 (double)

236.2 GFLOPS

Board Design

35W

TDP

50W

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Whistler

GPU Name

Navi 24

Whistler XT (216-0810001)

GPU Variant

Navi 24 XML

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

6 nm

0.716 billion

Transistors

5.4 billion

104 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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