AMD Radeon R9 390X vs NVIDIA GeForce 505 OEM

VS

AMD Radeon R9 390X

NVIDIA GeForce 505 OEM

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390X and 512MB VRAM GeForce 505 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390X 's Advantages

Released 2 years and 5 months late

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (384.0GB/s vs 9.600GB/s)

2800 additional rendering cores

NVIDIA GeForce 505 OEM 's Advantages

Lower TDP (25W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 390X +13042%

5.914 TFLOPS

GeForce 505 OEM

0.045 TFLOPS

Radeon R9 390X

VS

GeForce 505 OEM

Graphics Card

Jun 2015

Release Date

Jan 2013

Pirate Islands

Generation

GeForce 500

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

600 MHz

Memory

8GB

Memory Size

512MB

GDDR5

Memory Type

DDR3

512bit

Memory Bus

64bit

384.0GB/s

Bandwidth

9.600GB/s

Render Config

44

Compute Units

-

SM Count

2

2816

Shading Units

16

176

TMUs

8

64

ROPs

4

-

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

32 KB

-

Theoretical Performance

67.20 GPixel/s

Pixel Rate

2.356 GPixel/s

184.8 GTexel/s

Texture Rate

4.712 GTexel/s

-

5.914 TFLOPS

FP32 (float)

44.86 GFLOPS

739.2 GFLOPS

FP64 (double)

-

Board Design

275W

TDP

25W

600 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Grenada

GPU Name

GT218

Grenada XT (215-0880004)

GPU Variant

GT218-300-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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