AMD Radeon HD 8770M vs AMD Radeon HD 7750M

VS

AMD Radeon HD 8770M

AMD Radeon HD 7750M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8770M and 2GB VRAM Radeon HD 7750M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8770M 's Advantages

Released 1 years late

Boost Clock825MHz

Larger VRAM bandwidth (72.00GB/s vs 64.00GB/s)

AMD Radeon HD 7750M 's Advantages

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8770M +7%

0.633 TFLOPS

Radeon HD 7750M

0.589 TFLOPS

Radeon HD 8770M

VS

Radeon HD 7750M

Graphics Card

Apr 2013

Release Date

Apr 2012

Solar System

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

775 MHz

Base Clock

-

825 MHz

Boost Clock

-

1125 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

64.00GB/s

Render Config

6

Compute Units

8

-

384

Shading Units

512

24

TMUs

32

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

9.200 GPixel/s

19.80 GTexel/s

Texture Rate

18.40 GTexel/s

-

633.6 GFLOPS

FP32 (float)

588.8 GFLOPS

39.60 GFLOPS

FP64 (double)

36.80 GFLOPS

Board Design

Unknown

TDP

28W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Mars

GPU Name

Chelsea

Mars S3 XT (216-0842018)

GPU Variant

Chelsea PRO

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

1.5 billion

77 mm²

Die Size

123 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

1.2

1.2.170

Vulkan

1.2

-

6.5 (5.1)

Shader Model

5.1

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