NVIDIA GeForce GTX 850M vs AMD Radeon HD 7450M

VS

NVIDIA GeForce GTX 850M

AMD Radeon HD 7450M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 850M and 1024MB VRAM Radeon HD 7450M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 850M 's Advantages

Released 2 years and 2 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (32.03GB/s vs 14.40GB/s)

480 additional rendering cores

AMD Radeon HD 7450M 's Advantages

Lower TDP (7W vs 45W)

Score

Benchmark

FP32 (float)

GeForce GTX 850M +415%

1.155 TFLOPS

Radeon HD 7450M

0.224 TFLOPS

GeForce GTX 850M

VS

Radeon HD 7450M

Graphics Card

Mar 2014

Release Date

Jan 2012

GeForce 800M

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1001 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

32.03GB/s

Bandwidth

14.40GB/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

14.43 GPixel/s

Pixel Rate

2.800 GPixel/s

36.08 GTexel/s

Texture Rate

5.600 GTexel/s

-

1155 GFLOPS

FP32 (float)

224.0 GFLOPS

36.08 GFLOPS

FP64 (double)

-

Board Design

45W

TDP

7W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GM107

GPU Name

Seymour

N15P-GT-A1

GPU Variant

Seymour PRO

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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