NVIDIA GeForce GTX 770M vs AMD Radeon 620 Mobile

VS

NVIDIA GeForce GTX 770M

AMD Radeon 620 Mobile

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 770M and 2GB VRAM Radeon 620 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 770M 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (96.19GB/s vs 14.40GB/s)

576 additional rendering cores

AMD Radeon 620 Mobile 's Advantages

Released 6 years late

Boost Clock has increased by 28% (1024MHz vs 797MHz)

Lower TDP (50W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GTX 770M +94%

1.53 TFLOPS

Radeon 620 Mobile

0.786 TFLOPS

GeForce GTX 770M

VS

Radeon 620 Mobile

Graphics Card

May 2013

Release Date

May 2019

GeForce 700M

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

706 MHz

Base Clock

730 MHz

797 MHz

Boost Clock

1024 MHz

1002 MHz

Memory Clock

900 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

192bit

Memory Bus

64bit

96.19GB/s

Bandwidth

14.40GB/s

Render Config

-

Compute Units

6

-

960

Shading Units

384

80

TMUs

24

ROPs

8

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

128 KB

-

Theoretical Performance

15.94 GPixel/s

Pixel Rate

8.192 GPixel/s

63.76 GTexel/s

Texture Rate

24.58 GTexel/s

-

FP16 (half)

786.4 GFLOPS

1.530 TFLOPS

FP32 (float)

786.4 GFLOPS

63.76 GFLOPS

FP64 (double)

49.15 GFLOPS

Board Design

75W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GK106

GPU Name

Polaris 24

N14E-GS-A1

GPU Variant

Polaris 24 XL

Kepler

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.54 billion

Transistors

1.55 billion

221 mm²

Die Size

125 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

6.3

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