AMD Radeon HD 8770M vs AMD Radeon HD 7950M

VS

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8770M and 2GB VRAM Radeon HD 7950M 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

AMD Radeon HD 7950M 's Advantages

Larger VRAM bandwidth (128.0GB/s vs 72.00GB/s)

896 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8770M

0.633 TFLOPS

Radeon HD 7950M +183%

1.792 TFLOPS

Radeon HD 8770M

VS

Radeon HD 7950M

Graphics Card

Apr 2013

Release Date

Apr 2012

Solar System

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

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

256bit

72.00GB/s

Bandwidth

128.0GB/s

Render Config

-

SM Count

-

6

Compute Units

20

384

Shading Units

1280

24

TMUs

80

8

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

6.600 GPixel/s

Pixel Rate

22.40 GPixel/s

19.80 GTexel/s

Texture Rate

56.00 GTexel/s

-

FP16 (half)

-

633.6 GFLOPS

FP32 (float)

1.792 TFLOPS

39.60 GFLOPS

FP64 (double)

-

Graphics Processor

Mars

GPU Name

Wimbledon

Mars S3 XT (216-0842018)

GPU Variant

Wimbledon PRO

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

2.8 billion

77 mm²

Die Size

212 mm²

Board Design

Unknown

TDP

75W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

-

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

-

CUDA

-

6.5 (5.1)

Shader Model

5.1

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