NVIDIA GeForce GT 740A vs AMD Radeon HD 7770M

VS

NVIDIA GeForce GT 740A

AMD Radeon HD 7770M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 740A 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 GT 740A 's Advantages

Released 1 years and 4 months late

More VRAM (2GB vs 1024GB)

AMD Radeon HD 7770M 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 14.40GB/s)

128 additional rendering cores

Lower TDP (32W vs 33W)

Score

Benchmark

FP32 (float)

GeForce GT 740A +8%

0.753 TFLOPS

Radeon HD 7770M

0.691 TFLOPS

GeForce GT 740A

VS

Radeon HD 7770M

Graphics Card

Aug 2013

Release Date

Apr 2012

GeForce 700A

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

8

-

384

Shading Units

512

32

TMUs

32

8

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

7.840 GPixel/s

Pixel Rate

10.80 GPixel/s

31.36 GTexel/s

Texture Rate

21.60 GTexel/s

-

752.6 GFLOPS

FP32 (float)

691.2 GFLOPS

31.36 GFLOPS

FP64 (double)

43.20 GFLOPS

Board Design

33W

TDP

32W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK208

GPU Name

Chelsea

GT 740M

GPU Variant

Chelsea XT

Kepler 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.02 billion

Transistors

1.5 billion

87 mm²

Die Size

123 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.1

Vulkan

1.2

3.5

CUDA

-

5.1

Shader Model

5.1

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