AMD Radeon R9 390X vs NVIDIA P104 101

VS

AMD Radeon R9 390X

NVIDIA P104 101

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390X and 4GB VRAM P104 101 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390X 's Advantages

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (384.0GB/s vs 256.3GB/s)

256 additional rendering cores

NVIDIA P104 101 's Advantages

Released 2 years and 7 months late

Boost Clock1683MHz

Lower TDP (125W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 390X

5.914 TFLOPS

P104 101 +45%

8.617 TFLOPS

Radeon R9 390X

VS

P104 101

Graphics Card

Jun 2015

Release Date

Jan 2018

Pirate Islands

Generation

Mining GPUs

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1506 MHz

-

Boost Clock

1683 MHz

1500 MHz

Memory Clock

2002 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

256bit

384.0GB/s

Bandwidth

256.3GB/s

Render Config

44

Compute Units

-

SM Count

20

2816

Shading Units

2560

176

TMUs

160

64

ROPs

64

-

16 KB (per CU)

L1 Cache

48 KB (per SM)

1024 KB

L2 Cache

2 MB

-

Theoretical Performance

67.20 GPixel/s

Pixel Rate

107.7 GPixel/s

184.8 GTexel/s

Texture Rate

269.3 GTexel/s

-

FP16 (half)

134.6 GFLOPS

5.914 TFLOPS

FP32 (float)

8.617 TFLOPS

739.2 GFLOPS

FP64 (double)

269.3 GFLOPS

Board Design

275W

TDP

125W

600 W

Suggested PSU

200 W

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

Outputs

No outputs

1x 6-pin + 1x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Grenada

GPU Name

GP104

Grenada XT (215-0880004)

GPU Variant

GP104-101-A1

GCN 2.0

Architecture

Pascal

TSMC

Foundry

TSMC

28 nm

Process Size

16 nm

6.2 billion

Transistors

7.2 billion

438 mm²

Die Size

314 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

6.1

6.3

Shader Model

6.4

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