NVIDIA GeForce GT 650M vs AMD Radeon HD 7450A

VS

NVIDIA GeForce GT 650M

AMD Radeon HD 7450A

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 650M 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 GT 650M 's Advantages

Boost Clock950MHz

More VRAM (1024GB vs 512GB)

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

224 additional rendering cores

AMD Radeon HD 7450A 's Advantages

Lower TDP (25W vs 45W)

Score

Benchmark

FP32 (float)

GeForce GT 650M +265%

0.73 TFLOPS

Radeon HD 7450A

0.2 TFLOPS

GeForce GT 650M

VS

Radeon HD 7450A

Graphics Card

Mar 2012

Release Date

Jan 2012

GeForce 600M

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

835 MHz

Base Clock

-

950 MHz

Boost Clock

-

900 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

12.80GB/s

Render Config

-

Compute Units

2

-

384

Shading Units

160

32

TMUs

8

16

ROPs

4

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

7.600 GPixel/s

Pixel Rate

2.500 GPixel/s

30.40 GTexel/s

Texture Rate

5.000 GTexel/s

-

729.6 GFLOPS

FP32 (float)

200.0 GFLOPS

30.40 GFLOPS

FP64 (double)

-

Board Design

45W

TDP

25W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK107

GPU Name

Caicos

N13P-GT-A2

GPU Variant

-

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.27 billion

Transistors

0.37 billion

118 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

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

5.0

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