NVIDIA GeForce GT 620M vs AMD Radeon HD 7730M

VS

NVIDIA GeForce GT 620M AMD Radeon HD 7730M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 620M and 2GB VRAM Radeon HD 7730M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 620M 's Advantages

Lower TDP (15W vs 25W)

AMD Radeon HD 7730M 's Advantages

Boost Clock675MHz

More VRAM (2GB vs 1GB)

416 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 620M

0.253 TFLOPS

Radeon HD 7730M +173%

0.691 TFLOPS

GeForce GT 620M

VS

Radeon HD 7730M

Graphics Card

Aug 2012

Release Date

Apr 2012

GeForce 600M

Generation

London

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

575 MHz

-

Boost Clock

675 MHz

900 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

DDR3

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

28.80GB/s

Render Config

2

SM Count

-

Compute Units

8

96

Shading Units

512

16

TMUs

32

4

ROPs

16

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

2.640 GPixel/s

Pixel Rate

10.80 GPixel/s

10.56 GTexel/s

Texture Rate

21.60 GTexel/s

-

FP16 (half)

-

253.4 GFLOPS

FP32 (float)

691.2 GFLOPS

21.12 GFLOPS

FP64 (double)

43.20 GFLOPS

Graphics Processor

GF108

GPU Name

Chelsea

N13P-GLP-A1

GPU Variant

Chelsea LE (216-0834065)

Fermi

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.585 billion

Transistors

1.5 billion

116 mm²

Die Size

123 mm²

Board Design

15W

TDP

25W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

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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