AMD Radeon R9 Nano vs NVIDIA GeForce GT 620 OEM

VS

AMD Radeon R9 Nano

NVIDIA GeForce GT 620 OEM

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 Nano and 512MB VRAM GeForce GT 620 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 Nano 's Advantages

Released 3 years and 4 months late

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (512.0GB/s vs 14.37GB/s)

4048 additional rendering cores

NVIDIA GeForce GT 620 OEM 's Advantages

Lower TDP (30W vs 175W)

Score

Benchmark

FP32 (float)

Radeon R9 Nano +5151%

8.192 TFLOPS

GeForce GT 620 OEM

0.156 TFLOPS

Radeon R9 Nano

VS

GeForce GT 620 OEM

Graphics Card

Aug 2015

Release Date

Apr 2012

Pirate Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

500 MHz

Memory Clock

898 MHz

Memory

4GB

Memory Size

512MB

HBM

Memory Type

DDR3

4096bit

Memory Bus

64bit

512.0GB/s

Bandwidth

14.37GB/s

Render Config

64

Compute Units

-

SM Count

1

4096

Shading Units

48

256

TMUs

8

64

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

2 MB

L2 Cache

128 KB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

1.620 GPixel/s

256.0 GTexel/s

Texture Rate

6.480 GTexel/s

8.192 TFLOPS

FP16 (half)

-

8.192 TFLOPS

FP32 (float)

155.5 GFLOPS

512.0 GFLOPS

FP64 (double)

12.96 GFLOPS

Board Design

175W

TDP

30W

450 W

Suggested PSU

200 W

1x HDMI 1.4a 3x DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 8-pin

Power Connectors

None

Graphics Processor

Fiji

GPU Name

GF119

Fiji XT CA (215-0862120)

GPU Variant

-

GCN 3.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

8.9 billion

Transistors

0.292 billion

596 mm²

Die Size

79 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

6.3

Shader Model

5.1

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