NVIDIA GeForce 620M vs AMD Radeon HD 7850M

VS

NVIDIA GeForce 620M

AMD Radeon HD 7850M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 620M and 2GB VRAM Radeon HD 7850M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 620M 's Advantages

Lower TDP (15W vs 40W)

AMD Radeon HD 7850M 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (64.00GB/s vs 14.40GB/s)

544 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 620M

0.24 TFLOPS

Radeon HD 7850M +260%

0.864 TFLOPS

GeForce 620M

VS

Radeon HD 7850M

Graphics Card

Mar 2012

Release Date

Apr 2012

GeForce 600M

Generation

London

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

10

2

SM Count

-

96

Shading Units

640

16

TMUs

40

8

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

10.80 GPixel/s

10.00 GTexel/s

Texture Rate

27.00 GTexel/s

-

240.0 GFLOPS

FP32 (float)

864.0 GFLOPS

20.00 GFLOPS

FP64 (double)

54.00 GFLOPS

Board Design

15W

TDP

40W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF117

GPU Name

Heathrow

N13P-GLP

GPU Variant

Heathrow PRO

Fermi 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.585 billion

Transistors

1.5 billion

116 mm²

Die Size

123 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

5.1

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