AMD Radeon R9 390 X2 vs NVIDIA GeForce GT 340 OEM

VS

AMD Radeon R9 390 X2

NVIDIA GeForce GT 340 OEM

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 X2 and 1024MB VRAM GeForce GT 340 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390 X2 's Advantages

Released 5 years and 7 months late

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (345.6GB/s vs 27.20GB/s)

2464 additional rendering cores

NVIDIA GeForce GT 340 OEM 's Advantages

Lower TDP (69W vs 580W)

Score

Benchmark

FP32 (float)

Radeon R9 390 X2 +1892%

5.12 TFLOPS

GeForce GT 340 OEM

0.257 TFLOPS

Radeon R9 390 X2

VS

GeForce GT 340 OEM

Graphics Card

Sep 2015

Release Date

Feb 2010

Pirate Islands

Generation

GeForce 300

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1350 MHz

Memory Clock

850 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

512bit

Memory Bus

128bit

345.6GB/s

Bandwidth

27.20GB/s

Render Config

40

Compute Units

-

SM Count

12

2560

Shading Units

96

160

TMUs

32

64

ROPs

8

-

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

64 KB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

4.400 GPixel/s

160.0 GTexel/s

Texture Rate

17.60 GTexel/s

-

5.120 TFLOPS

FP32 (float)

257.3 GFLOPS

640.0 GFLOPS

FP64 (double)

-

Board Design

580W

TDP

69W

950 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1x VGA

4x 8-pin

Power Connectors

None

Graphics Processor

Grenada

GPU Name

GT215

Grenada PRO (215-0880030)

GPU Variant

GT215-301-A3

GCN 2.0

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

6.2 billion

Transistors

0.727 billion

438 mm²

Die Size

144 mm²

Graphics Features

12 (12_0)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

2.0

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.2

6.3

Shader Model

4.1

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