AMD Radeon R7 340 OEM vs AMD Radeon R9 295X2

VS

AMD Radeon R7 340 OEM

AMD Radeon R9 295X2

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 340 OEM and 4GB VRAM Radeon R9 295X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 340 OEM 's Advantages

Released 1 years and 1 months late

Boost Clock780MHz

Lower TDP (50W vs 500W)

AMD Radeon R9 295X2 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (320.0GB/s vs 64.00GB/s)

2432 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 340 OEM

0.599 TFLOPS

Radeon R9 295X2 +857%

5.733 TFLOPS

Radeon R7 340 OEM

VS

Radeon R9 295X2

Graphics Card

May 2015

Release Date

Apr 2014

Pirate Islands

Generation

Volcanic 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

1250 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

512bit

64.00GB/s

Bandwidth

320.0GB/s

Render Config

6

Compute Units

44

-

384

Shading Units

2816

24

TMUs

176

8

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

6.240 GPixel/s

Pixel Rate

65.15 GPixel/s

18.72 GTexel/s

Texture Rate

179.2 GTexel/s

-

599.0 GFLOPS

FP32 (float)

5.733 TFLOPS

37.44 GFLOPS

FP64 (double)

716.7 GFLOPS

Board Design

50W

TDP

500W

250 W

Suggested PSU

900 W

1x DVI 1x HDMI 1.4a 1x VGA

Outputs

1x DVI 4x mini-DisplayPort 1.2

None

Power Connectors

2x 8-pin

Graphics Processor

Oland

GPU Name

Vesuvius

-

GPU Variant

Vesuvius XT (215-0852022)

GCN 1.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

6.2 billion

77 mm²

Die Size

438 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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