AMD Radeon R9 390 X2 vs NVIDIA GeForce GTX 950 OEM

VS

AMD Radeon R9 390 X2 NVIDIA GeForce GTX 950 OEM

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 X2 and 4GB VRAM GeForce GTX 950 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390 X2 's Advantages

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (345.6GB/s vs 80.19GB/s)

1536 additional rendering cores

NVIDIA GeForce GTX 950 OEM 's Advantages

Boost Clock1203MHz

Score

Benchmark

FP32 (float)

Radeon R9 390 X2 +107%

5.12 TFLOPS

GeForce GTX 950 OEM

2.464 TFLOPS

Radeon R9 390 X2

VS

GeForce GTX 950 OEM

Graphics Card

Sep 2015

Release Date

Jan 2016

Pirate Islands

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

937 MHz

-

Boost Clock

1203 MHz

1350 MHz

Memory Clock

1253 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

128bit

345.6GB/s

Bandwidth

80.19GB/s

Render Config

-

SM Count

-

40

Compute Units

-

2560

Shading Units

1024

160

TMUs

64

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

48 KB (per SMM)

1024 KB

L2 Cache

1024 KB

Theoretical Performance

64.00 GPixel/s

Pixel Rate

38.50 GPixel/s

160.0 GTexel/s

Texture Rate

76.99 GTexel/s

-

FP16 (half)

-

5.120 TFLOPS

FP32 (float)

2.464 TFLOPS

640.0 GFLOPS

FP64 (double)

76.99 GFLOPS

Graphics Processor

Grenada

GPU Name

GM206S

Grenada PRO (215-0880030)

GPU Variant

950 OEM

GCN 2.0

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

6.2 billion

Transistors

2.94 billion

438 mm²

Die Size

228 mm²

Board Design

580W

TDP

Unknown

950 W

Suggested PSU

200 W

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

Outputs

No outputs

4x 8-pin

Power Connectors

None

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

5.2

6.3

Shader Model

6.7

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