NVIDIA GeForce 8400 GS Rev. 3 vs AMD Radeon R7 340 OEM

VS

NVIDIA GeForce 8400 GS Rev. 3

AMD Radeon R7 340 OEM

We compared two Desktop platform GPUs: 512MB VRAM GeForce 8400 GS Rev. 3 and 2GB VRAM Radeon R7 340 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8400 GS Rev. 3 's Advantages

Lower TDP (25W vs 50W)

AMD Radeon R7 340 OEM 's Advantages

Released 4 years and 10 months late

Boost Clock780MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 6.400GB/s)

376 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400 GS Rev. 3

0.02 TFLOPS

Radeon R7 340 OEM +2895%

0.599 TFLOPS

GeForce 8400 GS Rev. 3

VS

Radeon R7 340 OEM

Graphics Card

Jul 2010

Release Date

May 2015

GeForce 8

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

730 MHz

-

Boost Clock

780 MHz

400 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

2GB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

128bit

6.400GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

6

1

SM Count

-

8

Shading Units

384

4

TMUs

24

4

ROPs

8

-

L1 Cache

16 KB (per CU)

32 KB

L2 Cache

256 KB

-

Theoretical Performance

2.080 GPixel/s

Pixel Rate

6.240 GPixel/s

2.080 GTexel/s

Texture Rate

18.72 GTexel/s

-

19.68 GFLOPS

FP32 (float)

599.0 GFLOPS

-

FP64 (double)

37.44 GFLOPS

Board Design

25W

TDP

50W

200 W

Suggested PSU

250 W

1x DVI 1x VGA 1x S-Video

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

None

Power Connectors

None

Graphics Processor

GT218

GPU Name

Oland

8400GS-225-B1

GPU Variant

-

Tesla 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.26 billion

Transistors

0.95 billion

57 mm²

Die Size

77 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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