NVIDIA GeForce 8400 vs AMD Radeon R7 340 OEM

VS

NVIDIA GeForce 8400

AMD Radeon R7 340 OEM

We compared two Desktop platform GPUs: 256MB VRAM GeForce 8400 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 's Advantages

Lower TDP (25W vs 50W)

AMD Radeon R7 340 OEM 's Advantages

Released 7 years and 5 months late

Boost Clock780MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (64.00GB/s vs 8.000GB/s)

376 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400

0.021 TFLOPS

Radeon R7 340 OEM +2752%

0.599 TFLOPS

GeForce 8400

VS

Radeon R7 340 OEM

Graphics Card

Dec 2007

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

500 MHz

Memory Clock

1000 MHz

Memory

256MB

Memory Size

2GB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

128bit

8.000GB/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)

16 KB

L2 Cache

256 KB

-

Theoretical Performance

2.160 GPixel/s

Pixel Rate

6.240 GPixel/s

2.160 GTexel/s

Texture Rate

18.72 GTexel/s

-

20.80 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

G98

GPU Name

Oland

-

Tesla

Architecture

GCN 1.0

TSMC

Foundry

TSMC

65 nm

Process Size

28 nm

0.21 billion

Transistors

0.95 billion

86 mm²

Die Size

77 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

1.1

CUDA

-

4.0

Shader Model

5.1

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