AMD Radeon R7 340 OEM vs AMD Radeon R9 Nano

VS

AMD Radeon R7 340 OEM

AMD Radeon R9 Nano

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 340 OEM and 4GB VRAM Radeon R9 Nano to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 340 OEM 's Advantages

Boost Clock780MHz

Lower TDP (50W vs 175W)

AMD Radeon R9 Nano 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 64.00GB/s)

3712 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 340 OEM

0.599 TFLOPS

Radeon R9 Nano +1267%

8.192 TFLOPS

Radeon R7 340 OEM

VS

Radeon R9 Nano

Graphics Card

May 2015

Release Date

Aug 2015

Pirate Islands

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

730 MHz

Base Clock

-

780 MHz

Boost Clock

-

1000 MHz

Memory Clock

500 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

HBM

128bit

Memory Bus

4096bit

64.00GB/s

Bandwidth

512.0GB/s

Render Config

6

Compute Units

64

-

384

Shading Units

4096

24

TMUs

256

8

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

6.240 GPixel/s

Pixel Rate

64.00 GPixel/s

18.72 GTexel/s

Texture Rate

256.0 GTexel/s

-

FP16 (half)

8.192 TFLOPS

599.0 GFLOPS

FP32 (float)

8.192 TFLOPS

37.44 GFLOPS

FP64 (double)

512.0 GFLOPS

Board Design

50W

TDP

175W

250 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.4a 1x VGA

Outputs

1x HDMI 1.4a 3x DisplayPort 1.2

None

Power Connectors

1x 8-pin

Graphics Processor

Oland

GPU Name

Fiji

-

GPU Variant

Fiji XT CA (215-0862120)

GCN 1.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

8.9 billion

77 mm²

Die Size

596 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.0

1.2

Vulkan

1.2

-

5.1

Shader Model

6.3

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