AMD Radeon HD 8770M vs AMD Radeon 625 Mobile

VS

AMD Radeon HD 8770M

AMD Radeon 625 Mobile

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8770M and 2GB VRAM Radeon 625 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8770M 's Advantages

Larger VRAM bandwidth (72.00GB/s vs 14.40GB/s)

AMD Radeon 625 Mobile 's Advantages

Released 6 years and 1 months late

Boost Clock has increased by 24% (1024MHz vs 825MHz)

Score

Benchmark

FP32 (float)

Radeon HD 8770M

0.633 TFLOPS

Radeon 625 Mobile +24%

0.786 TFLOPS

Radeon HD 8770M

VS

Radeon 625 Mobile

Graphics Card

Apr 2013

Release Date

May 2019

Solar System

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

775 MHz

Base Clock

730 MHz

825 MHz

Boost Clock

1024 MHz

1125 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

72.00GB/s

Bandwidth

14.40GB/s

Render Config

6

Compute Units

6

-

384

Shading Units

384

24

TMUs

24

8

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

8.192 GPixel/s

19.80 GTexel/s

Texture Rate

24.58 GTexel/s

-

FP16 (half)

786.4 GFLOPS

633.6 GFLOPS

FP32 (float)

786.4 GFLOPS

39.60 GFLOPS

FP64 (double)

49.15 GFLOPS

Board Design

Unknown

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Mars

GPU Name

Polaris 24

Mars S3 XT (216-0842018)

GPU Variant

Polaris 24 XT (216-0867030)

GCN 1.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

1.55 billion

77 mm²

Die Size

125 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.0

1.2.170

Vulkan

1.2

-

6.5 (5.1)

Shader Model

6.3

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