AMD Radeon R9 290X2 vs AMD Radeon R5 340X OEM

VS

AMD Radeon R9 290X2 AMD Radeon R5 340X OEM

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 290X2 and 2GB VRAM Radeon R5 340X OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 290X2 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (345.6GB/s vs 16.00GB/s)

2432 additional rendering cores

AMD Radeon R5 340X OEM 's Advantages

Released 11 months late

Lower TDP (65W vs 580W)

Score

Benchmark

FP32 (float)

Radeon R9 290X2 +715%

5.632 TFLOPS

Radeon R5 340X OEM

0.691 TFLOPS

Radeon R9 290X2

VS

Radeon R5 340X OEM

Graphics Card

Jun 2014

Release Date

May 2015

Volcanic Islands

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

-

Boost Clock

-

1350 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

512bit

Memory Bus

64bit

345.6GB/s

Bandwidth

16.00GB/s

Render Config

-

SM Count

-

44

Compute Units

6

2816

Shading Units

384

176

TMUs

24

64

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

128 KB

Theoretical Performance

64.00 GPixel/s

Pixel Rate

7.200 GPixel/s

176.0 GTexel/s

Texture Rate

21.60 GTexel/s

-

FP16 (half)

-

5.632 TFLOPS

FP32 (float)

691.2 GFLOPS

704.0 GFLOPS

FP64 (double)

43.20 GFLOPS

Graphics Processor

Hawaii

GPU Name

Oland

Hawaii XT (215-0852000)

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

Board Design

580W

TDP

65W

950 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x DisplayPort 1.2

4x 8-pin

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

1.2

Vulkan

1.2

-

CUDA

-

6.3

Shader Model

5.1

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