AMD Radeon HD 8770M vs AMD Radeon RX 6600S

VS

AMD Radeon HD 8770M

AMD Radeon RX 6600S

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8770M and 4GB VRAM Radeon RX 6600S to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600S 's Advantages

Released 8 years and 9 months late

Boost Clock has increased by 142% (2000MHz vs 825MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 72.00GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8770M

0.633 TFLOPS

Radeon RX 6600S +1032%

7.168 TFLOPS

Radeon HD 8770M

VS

Radeon RX 6600S

Graphics Card

Apr 2013

Release Date

Jan 2022

Solar System

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x8

Clock Speeds

775 MHz

Base Clock

1700 MHz

825 MHz

Boost Clock

2000 MHz

1125 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

224.0GB/s

Render Config

6

Compute Units

28

-

384

Shading Units

1792

24

TMUs

112

8

ROPs

64

-

RT Cores

28

16 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

6.600 GPixel/s

Pixel Rate

128.0 GPixel/s

19.80 GTexel/s

Texture Rate

224.0 GTexel/s

-

FP16 (half)

14.34 TFLOPS

633.6 GFLOPS

FP32 (float)

7.168 TFLOPS

39.60 GFLOPS

FP64 (double)

448.0 GFLOPS

Board Design

Unknown

TDP

80W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Mars

GPU Name

Navi 23

Mars S3 XT (216-0842018)

GPU Variant

-

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

0.95 billion

Transistors

11.06 billion

77 mm²

Die Size

237 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.1

1.2.170

Vulkan

1.3

-

6.5 (5.1)

Shader Model

6.5

Related GPU Comparisons

1

AMD Radeon HD 8770M vs ATI Mobility Radeon HD 5750

2

AMD Radeon HD 8770M vs NVIDIA GeForce GT 520MX

3

AMD Radeon HD 8770M vs NVIDIA GeForce GT 750M

4

AMD Radeon HD 8770M vs NVIDIA GeForce GT 740A

5

AMD Radeon HD 8770M vs NVIDIA GeForce 620M

6

AMD Radeon HD 8770M vs AMD Radeon HD 6470M

7

AMD Radeon HD 8770M vs NVIDIA GeForce RTX 3050 Mobile Refresh 4 GB

8

AMD Radeon HD 8770M vs NVIDIA GeForce GTX 570M

9

AMD Radeon HD 8770M vs AMD FirePro M3900

10

AMD Radeon HD 8770M vs NVIDIA GeForce GTX 660M Mac Edition

Related News

1

Continuous Decline in DRAM Memory Prices: Downward Trend Intensifies

2

NVIDIA GB202 Chip Unveiled for the First Time, to be Used in RTX 5090 with 512-bit GDDR7 Memory

3

Strix Halo Integrated Graphics Score Appears on Passmark, Currently Slightly Below RTX 3060 12GB

4

AMD Unveils New RX 9070 XT Graphics Card Performance: Positioned Between RX 7900 GRE and RX 7900 XT

5

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

6

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

7

CXMT Reportedly Achieves 80% Yield in DDR5 Production

8

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

9

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

10

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps