AMD Radeon R9 390X vs AMD Radeon R7 350 OEM

VS

AMD Radeon R9 390X

AMD Radeon R7 350 OEM

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390X and 2GB VRAM Radeon R7 350 OEM 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 2GB)

Larger VRAM bandwidth (384.0GB/s vs 73.60GB/s)

2432 additional rendering cores

AMD Radeon R7 350 OEM 's Advantages

Boost Clock1050MHz

Lower TDP (65W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 390X +633%

5.914 TFLOPS

Radeon R7 350 OEM

0.806 TFLOPS

Radeon R9 390X

VS

Radeon R7 350 OEM

Graphics Card

Jun 2015

Release Date

May 2015

Pirate Islands

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1050 MHz

1500 MHz

Memory Clock

1150 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

128bit

384.0GB/s

Bandwidth

73.60GB/s

Render Config

44

Compute Units

6

-

2816

Shading Units

384

176

TMUs

24

64

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

67.20 GPixel/s

Pixel Rate

8.400 GPixel/s

184.8 GTexel/s

Texture Rate

25.20 GTexel/s

-

5.914 TFLOPS

FP32 (float)

806.4 GFLOPS

739.2 GFLOPS

FP64 (double)

50.40 GFLOPS

Board Design

275W

TDP

65W

600 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Grenada

GPU Name

Oland

Grenada XT (215-0880004)

GPU Variant

Oland XT (215-0837000)

GCN 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

6.2 billion

Transistors

0.95 billion

438 mm²

Die Size

77 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

1.2

Vulkan

1.2

-

6.3

Shader Model

5.1

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