AMD Radeon R5 340X OEM vs NVIDIA GeForce GT 620

VS

AMD Radeon R5 340X OEM

NVIDIA GeForce GT 620

We compared two Desktop platform GPUs: 2GB VRAM Radeon R5 340X OEM and 1024MB VRAM GeForce GT 620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 340X OEM 's Advantages

Released 3 years late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (16.00GB/s vs 14.40GB/s)

288 additional rendering cores

NVIDIA GeForce GT 620 's Advantages

Lower TDP (49W vs 65W)

Score

Benchmark

FP32 (float)

Radeon R5 340X OEM +156%

0.691 TFLOPS

GeForce GT 620

0.269 TFLOPS

Radeon R5 340X OEM

VS

GeForce GT 620

Graphics Card

May 2015

Release Date

May 2012

Pirate Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

64bit

16.00GB/s

Bandwidth

14.40GB/s

Render Config

6

Compute Units

-

SM Count

2

384

Shading Units

96

24

TMUs

16

8

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

7.200 GPixel/s

Pixel Rate

2.800 GPixel/s

21.60 GTexel/s

Texture Rate

11.20 GTexel/s

-

691.2 GFLOPS

FP32 (float)

268.8 GFLOPS

43.20 GFLOPS

FP64 (double)

22.40 GFLOPS

Board Design

65W

TDP

49W

250 W

Suggested PSU

200 W

1x DVI 1x DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

None

Graphics Processor

Oland

GPU Name

GF108

Oland XT (215-0837000)

GPU Variant

GF108-100-KB-A1

GCN 1.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.95 billion

Transistors

0.585 billion

77 mm²

Die Size

116 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

5.1

Shader Model

5.1

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