NVIDIA GeForce GT 340 OEM vs AMD Radeon R9 270X

VS

NVIDIA GeForce GT 340 OEM

AMD Radeon R9 270X

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 340 OEM and 2GB VRAM Radeon R9 270X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 340 OEM 's Advantages

Lower TDP (69W vs 180W)

AMD Radeon R9 270X 's Advantages

Released 3 years and 8 months late

Boost Clock1050MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (179.2GB/s vs 27.20GB/s)

1184 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 340 OEM

0.257 TFLOPS

Radeon R9 270X +945%

2.688 TFLOPS

GeForce GT 340 OEM

VS

Radeon R9 270X

Graphics Card

Feb 2010

Release Date

Oct 2013

GeForce 300

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1050 MHz

850 MHz

Memory Clock

1400 MHz

Memory

1024MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

27.20GB/s

Bandwidth

179.2GB/s

Render Config

-

Compute Units

20

12

SM Count

-

96

Shading Units

1280

32

TMUs

80

8

ROPs

32

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

512 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

33.60 GPixel/s

17.60 GTexel/s

Texture Rate

84.00 GTexel/s

-

257.3 GFLOPS

FP32 (float)

2.688 TFLOPS

-

FP64 (double)

168.0 GFLOPS

Board Design

69W

TDP

180W

250 W

Suggested PSU

450 W

1x DVI 1x HDMI 1x VGA

Outputs

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

None

Power Connectors

2x 6-pin

Graphics Processor

GT215

GPU Name

Curacao

GT215-301-A3

GPU Variant

Curacao XT (215-0848004)

Tesla 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.727 billion

Transistors

2.8 billion

144 mm²

Die Size

212 mm²

Graphics Features

11.1 (10_1)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

CUDA

-

4.1

Shader Model

5.1

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