NVIDIA GeForce GT 745A vs AMD Radeon HD 8850M

VS

NVIDIA GeForce GT 745A

AMD Radeon HD 8850M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 745A and 2GB VRAM Radeon HD 8850M 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 46% (915MHz vs 625MHz)

AMD Radeon HD 8850M 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 28.80GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 745A

0.703 TFLOPS

Radeon HD 8850M +13%

0.8 TFLOPS

GeForce GT 745A

VS

Radeon HD 8850M

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 x16

Clock Speeds

837 MHz

Base Clock

575 MHz

915 MHz

Boost Clock

625 MHz

900 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

10

-

384

Shading Units

640

32

TMUs

40

16

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

7.320 GPixel/s

Pixel Rate

10.00 GPixel/s

29.28 GTexel/s

Texture Rate

25.00 GTexel/s

-

702.7 GFLOPS

FP32 (float)

800.0 GFLOPS

29.28 GFLOPS

FP64 (double)

50.00 GFLOPS

Board Design

33W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GK107

GPU Name

Venus

N14P-LP

GPU Variant

Venus PRO (216-0846009)

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

1.5 billion

118 mm²

Die Size

123 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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