AMD Radeon R5 A320 vs NVIDIA GeForce GTX 780M

VS

AMD Radeon R5 A320

NVIDIA GeForce GTX 780M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R5 A320 and 4GB VRAM GeForce GTX 780M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 A320 's Advantages

Released 1 years and 8 months late

Boost Clock has increased by 4% (825MHz vs 797MHz)

NVIDIA GeForce GTX 780M 's Advantages

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 16.00GB/s)

1216 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 A320

0.528 TFLOPS

GeForce GTX 780M +363%

2.448 TFLOPS

Radeon R5 A320

VS

GeForce GTX 780M

Graphics Card

Jan 2015

Release Date

May 2013

All-In-One

Generation

GeForce 700M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

750 MHz

Base Clock

771 MHz

825 MHz

Boost Clock

797 MHz

1000 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

16.00GB/s

Bandwidth

160.0GB/s

Render Config

5

Compute Units

-

320

Shading Units

1536

20

TMUs

128

8

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

25.50 GPixel/s

16.50 GTexel/s

Texture Rate

102.0 GTexel/s

-

528.0 GFLOPS

FP32 (float)

2.448 TFLOPS

-

FP64 (double)

102.0 GFLOPS

Board Design

Unknown

TDP

122W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Jet

GPU Name

GK104

Jet PRO (216-0856040)

GPU Variant

N14E-GTX-A2

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.69 billion

Transistors

3.54 billion

56 mm²

Die Size

294 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

3.0

1.2.170

Vulkan

1.1

-

CUDA

3.0

6.5 (5.1)

Shader Model

5.1

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