AMD Radeon HD 7770M vs AMD Radeon RX 6600M

VS

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7770M and 8GB VRAM Radeon RX 6600M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7770M 's Advantages

Lower TDP (32W vs 100W)

AMD Radeon RX 6600M 's Advantages

Released 9 years and 1 months late

Boost Clock2416MHz

More VRAM (8GB vs 1GB)

Larger VRAM bandwidth (224.0GB/s vs 64.00GB/s)

1280 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7770M

0.691 TFLOPS

Radeon RX 6600M +1153%

8.659 TFLOPS

Radeon HD 7770M

VS

Radeon RX 6600M

Graphics Card

Apr 2012

Release Date

May 2021

London

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

2068 MHz

-

Boost Clock

2416 MHz

1000 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

224.0GB/s

Render Config

-

SM Count

-

8

Compute Units

28

512

Shading Units

1792

32

TMUs

112

16

ROPs

64

-

Tensor Cores

-

RT Cores

28

16 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

2 MB

Theoretical Performance

10.80 GPixel/s

Pixel Rate

154.6 GPixel/s

21.60 GTexel/s

Texture Rate

270.6 GTexel/s

-

FP16 (half)

17.32 TFLOPS

691.2 GFLOPS

FP32 (float)

8.659 TFLOPS

43.20 GFLOPS

FP64 (double)

541.2 GFLOPS

Graphics Processor

Chelsea

GPU Name

Navi 23

Chelsea XT

GPU Variant

-

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

1.5 billion

Transistors

11.06 billion

123 mm²

Die Size

237 mm²

Board Design

32W

TDP

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

CUDA

-

5.1

Shader Model

6.5

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