NVIDIA GeForce 9400 GT vs AMD Radeon HD 8870 OEM

VS

NVIDIA GeForce 9400 GT

AMD Radeon HD 8870 OEM

We compared two Desktop platform GPUs: 128MB VRAM GeForce 9400 GT and 2GB VRAM Radeon HD 8870 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 9400 GT 's Advantages

Lower TDP (50W vs 175W)

AMD Radeon HD 8870 OEM 's Advantages

Released 4 years and 5 months late

More VRAM (2GB vs 128GB)

Larger VRAM bandwidth (153.6GB/s vs 9.600GB/s)

1264 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 9400 GT

0.029 TFLOPS

Radeon HD 8870 OEM +8727%

2.56 TFLOPS

GeForce 9400 GT

VS

Radeon HD 8870 OEM

Graphics Card

Aug 2008

Release Date

Jan 2013

GeForce 9

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

600 MHz

Memory Clock

1200 MHz

Memory

128MB

Memory Size

2GB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

256bit

9.600GB/s

Bandwidth

153.6GB/s

Render Config

-

Compute Units

20

2

SM Count

-

16

Shading Units

1280

8

TMUs

80

4

ROPs

32

-

L1 Cache

16 KB (per CU)

16 KB

L2 Cache

512 KB

-

Theoretical Performance

1.836 GPixel/s

Pixel Rate

32.00 GPixel/s

3.672 GTexel/s

Texture Rate

80.00 GTexel/s

-

29.38 GFLOPS

FP32 (float)

2.560 TFLOPS

-

FP64 (double)

160.0 GFLOPS

Board Design

50W

TDP

175W

250 W

Suggested PSU

450 W

1x DVI 1x VGA 1x S-Video

Outputs

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

None

Power Connectors

2x 6-pin

Graphics Processor

G86

GPU Name

Pitcairn

-

GPU Variant

Pitcairn XT (215-0828047)

Tesla

Architecture

GCN 1.0

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.21 billion

Transistors

2.8 billion

127 mm²

Die Size

212 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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