AMD Radeon R9 390X vs NVIDIA GeForce GTX 555 OEM

VS

AMD Radeon R9 390X

NVIDIA GeForce GTX 555 OEM

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390X and 1024MB VRAM GeForce GTX 555 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 4 years and 1 months late

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (384.0GB/s vs 91.87GB/s)

2528 additional rendering cores

NVIDIA GeForce GTX 555 OEM 's Advantages

Lower TDP (150W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 390X +597%

5.914 TFLOPS

GeForce GTX 555 OEM

0.848 TFLOPS

Radeon R9 390X

VS

GeForce GTX 555 OEM

Graphics Card

Jun 2015

Release Date

May 2011

Pirate Islands

Generation

GeForce 500

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

957 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

192bit

384.0GB/s

Bandwidth

91.87GB/s

Render Config

44

Compute Units

-

SM Count

6

2816

Shading Units

288

176

TMUs

48

64

ROPs

24

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

1024 KB

L2 Cache

384 KB

-

Theoretical Performance

67.20 GPixel/s

Pixel Rate

8.832 GPixel/s

184.8 GTexel/s

Texture Rate

35.33 GTexel/s

-

5.914 TFLOPS

FP32 (float)

847.9 GFLOPS

739.2 GFLOPS

FP64 (double)

70.66 GFLOPS

Board Design

275W

TDP

150W

600 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x mini-HDMI 1.3a

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Grenada

GPU Name

GF114

Grenada XT (215-0880004)

GPU Variant

GF114-200-KB-A1

GCN 2.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

6.2 billion

Transistors

1.95 billion

438 mm²

Die Size

332 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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