NVIDIA GeForce 945M vs AMD Radeon HD 7770M

VS

NVIDIA GeForce 945M

AMD Radeon HD 7770M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 945M and 1024MB VRAM Radeon HD 7770M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 945M 's Advantages

Released 4 years late

Boost Clock1189MHz

Lower TDP (23W vs 32W)

AMD Radeon HD 7770M 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 16.02GB/s)

128 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 945M +32%

0.913 TFLOPS

Radeon HD 7770M

0.691 TFLOPS

GeForce 945M

VS

Radeon HD 7770M

Graphics Card

Apr 2016

Release Date

Apr 2012

GeForce 900M

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1006 MHz

Base Clock

-

1189 MHz

Boost Clock

-

1001 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

16.02GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

8

-

384

Shading Units

512

24

TMUs

32

8

ROPs

16

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

9.512 GPixel/s

Pixel Rate

10.80 GPixel/s

28.54 GTexel/s

Texture Rate

21.60 GTexel/s

-

913.2 GFLOPS

FP32 (float)

691.2 GFLOPS

28.54 GFLOPS

FP64 (double)

43.20 GFLOPS

Board Design

23W

TDP

32W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GM108

GPU Name

Chelsea

-

GPU Variant

Chelsea XT

Maxwell

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

Unknown

Transistors

1.5 billion

Unknown

Die Size

123 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

5.0

CUDA

-

5.1

Shader Model

5.1

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