NVIDIA GeForce GT 745A vs AMD Radeon HD 8770M

VS

NVIDIA GeForce GT 745A

AMD Radeon HD 8770M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 745A and 2GB VRAM Radeon HD 8770M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 745A 's Advantages

Boost Clock has increased by 11% (915MHz vs 825MHz)

AMD Radeon HD 8770M 's Advantages

Larger VRAM bandwidth (72.00GB/s vs 28.80GB/s)

Score

Benchmark

FP32 (float)

GeForce GT 745A +11%

0.703 TFLOPS

Radeon HD 8770M

0.633 TFLOPS

GeForce GT 745A

VS

Radeon HD 8770M

Graphics Card

Aug 2013

Release Date

Apr 2013

GeForce 700A

Generation

Solar System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

837 MHz

Base Clock

775 MHz

915 MHz

Boost Clock

825 MHz

900 MHz

Memory Clock

1125 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

72.00GB/s

Render Config

-

Compute Units

6

-

384

Shading Units

384

32

TMUs

24

16

ROPs

8

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

7.320 GPixel/s

Pixel Rate

6.600 GPixel/s

29.28 GTexel/s

Texture Rate

19.80 GTexel/s

-

702.7 GFLOPS

FP32 (float)

633.6 GFLOPS

29.28 GFLOPS

FP64 (double)

39.60 GFLOPS

Board Design

33W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GK107

GPU Name

Mars

N14P-LP

GPU Variant

Mars S3 XT (216-0842018)

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

0.95 billion

118 mm²

Die Size

77 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1 (1.2)

1.1

Vulkan

1.2.170

3.0

CUDA

-

5.1

Shader Model

6.5 (5.1)

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