AMD Radeon R5 A255 vs NVIDIA GeForce GT 320M

VS

AMD Radeon R5 A255

NVIDIA GeForce GT 320M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R5 A255 and 1024MB VRAM GeForce GT 320M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 A255 's Advantages

Released 3 years and 10 months late

Boost Clock940MHz

Larger VRAM bandwidth (64.00GB/s vs 25.28GB/s)

360 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 A255 +1260%

0.721 TFLOPS

GeForce GT 320M

0.053 TFLOPS

Radeon R5 A255

VS

GeForce GT 320M

Graphics Card

Jan 2014

Release Date

Mar 2010

All-In-One

Generation

GeForce 300M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

925 MHz

Base Clock

-

940 MHz

Boost Clock

-

1000 MHz

Memory Clock

790 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

25.28GB/s

Render Config

6

Compute Units

-

SM Count

3

384

Shading Units

24

TMUs

8

ROPs

8

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

7.520 GPixel/s

Pixel Rate

4.000 GPixel/s

22.56 GTexel/s

Texture Rate

4.000 GTexel/s

-

721.9 GFLOPS

FP32 (float)

52.80 GFLOPS

-

Board Design

Unknown

TDP

23W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Topaz

GPU Name

GT216

Topaz PRO (216-0858030)

GPU Variant

-

GCN 3.0

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.55 billion

Transistors

0.486 billion

125 mm²

Die Size

100 mm²

Graphics Features

12 (12_0)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.2.170

Vulkan

N/A

-

CUDA

1.2

6.5

Shader Model

4.1

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