NVIDIA GeForce GTX 770M vs AMD Radeon R9 M390X

VS

NVIDIA GeForce GTX 770M

AMD Radeon R9 M390X

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 770M and 4GB VRAM Radeon R9 M390X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 770M 's Advantages

Boost Clock797MHz

AMD Radeon R9 M390X 's Advantages

Released 2 years late

More VRAM (4GB vs 3GB)

Larger VRAM bandwidth (160.0GB/s vs 96.19GB/s)

1088 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 770M

1.53 TFLOPS

Radeon R9 M390X +93%

2.961 TFLOPS

GeForce GTX 770M

VS

Radeon R9 M390X

Graphics Card

May 2013

Release Date

May 2015

GeForce 700M

Generation

Crystal System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

706 MHz

Base Clock

-

797 MHz

Boost Clock

-

1002 MHz

Memory Clock

1250 MHz

Memory

3GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

256bit

96.19GB/s

Bandwidth

160.0GB/s

Render Config

-

Compute Units

32

-

960

Shading Units

2048

80

TMUs

128

24

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

512 KB

-

Theoretical Performance

15.94 GPixel/s

Pixel Rate

23.14 GPixel/s

63.76 GTexel/s

Texture Rate

92.54 GTexel/s

-

FP16 (half)

2.961 TFLOPS

1.530 TFLOPS

FP32 (float)

2.961 TFLOPS

63.76 GFLOPS

FP64 (double)

185.1 GFLOPS

Board Design

75W

TDP

75W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GK106

GPU Name

Amethyst

N14E-GS-A1

GPU Variant

Amethyst XT

Kepler

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.54 billion

Transistors

5 billion

221 mm²

Die Size

366 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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