AMD Radeon R9 390 X2 vs NVIDIA GeForce GTX 750 GM206

VS

AMD Radeon R9 390 X2

NVIDIA GeForce GTX 750 GM206

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 X2 and 2GB VRAM GeForce GTX 750 GM206 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 2GB)

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

2048 additional rendering cores

NVIDIA GeForce GTX 750 GM206 's Advantages

Boost Clock1239MHz

Lower TDP (60W vs 580W)

Score

Benchmark

FP32 (float)

Radeon R9 390 X2 +303%

5.12 TFLOPS

GeForce GTX 750 GM206

1.269 TFLOPS

Radeon R9 390 X2

VS

GeForce GTX 750 GM206

Graphics Card

Sep 2015

Release Date

Nov 2015

Pirate Islands

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1087 MHz

-

Boost Clock

1239 MHz

1350 MHz

Memory Clock

1253 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

128bit

345.6GB/s

Bandwidth

80.19GB/s

Render Config

40

Compute Units

-

2560

Shading Units

512

160

TMUs

32

64

ROPs

32

-

16 KB (per CU)

L1 Cache

48 KB (per SMM)

1024 KB

L2 Cache

1024 KB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

39.65 GPixel/s

160.0 GTexel/s

Texture Rate

39.65 GTexel/s

-

5.120 TFLOPS

FP32 (float)

1269 GFLOPS

640.0 GFLOPS

FP64 (double)

39.65 GFLOPS

Board Design

580W

TDP

60W

950 W

Suggested PSU

250 W

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

Outputs

2x DVI 1x HDMI 2.0

4x 8-pin

Power Connectors

-

Graphics Processor

Grenada

GPU Name

GM206

Grenada PRO (215-0880030)

GPU Variant

-

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

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

6.4

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