AMD Radeon HD 6770M vs AMD Radeon RX 6650M XT

VS

AMD Radeon HD 6770M AMD Radeon RX 6650M XT

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6770M and 8GB VRAM Radeon RX 6650M XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6770M 's Advantages

Lower TDP (35W vs 120W)

AMD Radeon RX 6650M XT 's Advantages

Released 11 years late

Boost Clock2416MHz

More VRAM (8GB vs 1GB)

Larger VRAM bandwidth (256.0GB/s vs 57.60GB/s)

1568 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6770M

0.696 TFLOPS

Radeon RX 6650M XT +1321%

9.896 TFLOPS

Radeon HD 6770M

VS

Radeon RX 6650M XT

Graphics Card

Jan 2011

Release Date

Jan 2022

Vancouver

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

2068 MHz

-

Boost Clock

2416 MHz

900 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

128bit

57.60GB/s

Bandwidth

256.0GB/s

Render Config

-

SM Count

-

6

Compute Units

32

480

Shading Units

2048

24

TMUs

128

8

ROPs

64

-

Tensor Cores

-

RT Cores

32

8 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

2 MB

Theoretical Performance

5.800 GPixel/s

Pixel Rate

154.6 GPixel/s

17.40 GTexel/s

Texture Rate

309.2 GTexel/s

-

FP16 (half)

19.79 TFLOPS

696.0 GFLOPS

FP32 (float)

9.896 TFLOPS

-

FP64 (double)

618.5 GFLOPS

Graphics Processor

Whistler

GPU Name

Navi 23

Whistler XT (216-0810001)

GPU Variant

-

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

0.716 billion

Transistors

11.06 billion

104 mm²

Die Size

237 mm²

Board Design

35W

TDP

120W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.3

-

CUDA

-

5.0

Shader Model

6.5

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