NVIDIA GeForce GTX 850A vs AMD Radeon HD 7450A

VS

NVIDIA GeForce GTX 850A

AMD Radeon HD 7450A

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 850A and 512MB VRAM Radeon HD 7450A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 850A 's Advantages

Released 2 years and 2 months late

Boost Clock936MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (28.80GB/s vs 12.80GB/s)

480 additional rendering cores

AMD Radeon HD 7450A 's Advantages

Lower TDP (25W vs 45W)

Score

Benchmark

FP32 (float)

GeForce GTX 850A +499%

1.198 TFLOPS

Radeon HD 7450A

0.2 TFLOPS

GeForce GTX 850A

VS

Radeon HD 7450A

Graphics Card

Mar 2014

Release Date

Jan 2012

GeForce 800A

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

902 MHz

Base Clock

-

936 MHz

Boost Clock

-

900 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

512MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

12.80GB/s

Render Config

-

Compute Units

2

-

640

Shading Units

160

40

TMUs

8

16

ROPs

4

-

64 KB (per SMM)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

128 KB

-

Theoretical Performance

14.98 GPixel/s

Pixel Rate

2.500 GPixel/s

37.44 GTexel/s

Texture Rate

5.000 GTexel/s

-

1198 GFLOPS

FP32 (float)

200.0 GFLOPS

37.44 GFLOPS

FP64 (double)

-

Board Design

45W

TDP

25W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GM107

GPU Name

Caicos

N15P-GT-A1

GPU Variant

-

Maxwell

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.87 billion

Transistors

0.37 billion

148 mm²

Die Size

67 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

5.0

CUDA

-

5.1

Shader Model

5.0

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