NVIDIA GeForce 945A vs AMD Radeon HD 7770M

VS

NVIDIA GeForce 945A

AMD Radeon HD 7770M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 945A 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 945A 's Advantages

Released 2 years and 11 months late

Boost Clock1189MHz

AMD Radeon HD 7770M 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 40.10GB/s)

128 additional rendering cores

Lower TDP (32W vs 33W)

Score

Benchmark

FP32 (float)

GeForce 945A +32%

0.913 TFLOPS

Radeon HD 7770M

0.691 TFLOPS

GeForce 945A

VS

Radeon HD 7770M

Graphics Card

Mar 2015

Release Date

Apr 2012

GeForce 900A

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

-

1253 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

40.10GB/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

33W

TDP

32W

-

No outputs

Outputs

No outputs

-

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

Related GPU Comparisons

1

NVIDIA GeForce 945A vs AMD Radeon HD 6830M

2

NVIDIA GeForce 945A vs AMD Radeon R7 M380

3

NVIDIA GeForce 945A vs AMD Radeon E6460

4

NVIDIA GeForce 945A vs NVIDIA GeForce GTX 460M

5

NVIDIA GeForce 945A vs AMD Radeon Pro Vega 64X

6

NVIDIA GeForce 945A vs AMD Radeon RX 5700M

7

NVIDIA GeForce 945A vs AMD FirePro S7100X

8

NVIDIA GeForce 945A vs AMD Radeon R7 A260

9

NVIDIA GeForce 945A vs AMD Radeon Pro Vega 20

10

NVIDIA GeForce 945A vs Intel Arc A770M

Related News

1

CXMT Reportedly Achieves 80% Yield in DDR5 Production

2

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

3

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

4

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

5

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

6

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

7

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

8

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

9

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

10

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage