AMD Radeon R9 390 X2 vs NVIDIA NVS 300

VS

AMD Radeon R9 390 X2

NVIDIA NVS 300

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 X2 and 512MB VRAM NVS 300 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390 X2 's Advantages

Released 4 years and 8 months late

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (345.6GB/s vs 12.64GB/s)

2544 additional rendering cores

NVIDIA NVS 300 's Advantages

Lower TDP (18W vs 580W)

Score

Benchmark

FP32 (float)

Radeon R9 390 X2 +13028%

5.12 TFLOPS

NVS 300

0.039 TFLOPS

Radeon R9 390 X2

VS

NVS 300

Graphics Card

Sep 2015

Release Date

Jan 2011

Pirate Islands

Generation

NVS

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1350 MHz

Memory Clock

790 MHz

Memory

8GB

Memory Size

512MB

GDDR5

Memory Type

DDR3

512bit

Memory Bus

64bit

345.6GB/s

Bandwidth

12.64GB/s

Render Config

40

Compute Units

-

SM Count

2

2560

Shading Units

16

160

TMUs

8

64

ROPs

4

-

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

32 KB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

2.080 GPixel/s

160.0 GTexel/s

Texture Rate

4.160 GTexel/s

-

5.120 TFLOPS

FP32 (float)

39.36 GFLOPS

640.0 GFLOPS

FP64 (double)

-

Board Design

580W

TDP

18W

950 W

Suggested PSU

200 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x DMS-59

4x 8-pin

Power Connectors

None

Graphics Processor

Grenada

GPU Name

GT218

Grenada PRO (215-0880030)

GPU Variant

GT218-670-B1

GCN 2.0

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

6.2 billion

Transistors

0.26 billion

438 mm²

Die Size

57 mm²

Graphics Features

12 (12_0)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

2.0

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.2

6.3

Shader Model

4.1

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