AMD Radeon R9 285 vs NVIDIA GeForce 8400 GS PCI

VS

AMD Radeon R9 285

NVIDIA GeForce 8400 GS PCI

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 285 and 512MB VRAM GeForce 8400 GS PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 285 's Advantages

Released 6 years and 9 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (176.0GB/s vs 5.328GB/s)

1784 additional rendering cores

NVIDIA GeForce 8400 GS PCI 's Advantages

Lower TDP (25W vs 190W)

Score

Benchmark

FP32 (float)

Radeon R9 285 +14854%

3.29 TFLOPS

GeForce 8400 GS PCI

0.022 TFLOPS

Radeon R9 285

VS

GeForce 8400 GS PCI

Graphics Card

Sep 2014

Release Date

Dec 2007

Volcanic Islands

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCI

Clock Speeds

-

1375 MHz

Memory Clock

333 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

176.0GB/s

Bandwidth

5.328GB/s

Render Config

28

Compute Units

-

SM Count

1

1792

Shading Units

8

112

TMUs

4

32

ROPs

4

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

16 KB

-

Theoretical Performance

29.38 GPixel/s

Pixel Rate

2.268 GPixel/s

102.8 GTexel/s

Texture Rate

2.268 GTexel/s

3.290 TFLOPS

FP16 (half)

-

3.290 TFLOPS

FP32 (float)

22.40 GFLOPS

205.6 GFLOPS

FP64 (double)

-

Board Design

190W

TDP

25W

450 W

Suggested PSU

200 W

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

Outputs

1x S-Video 1x DMS-59

2x 6-pin

Power Connectors

None

Graphics Processor

Tonga

GPU Name

G98

Tonga PRO (215-0851128)

GPU Variant

G98-400-U2

GCN 3.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

5 billion

Transistors

0.21 billion

366 mm²

Die Size

86 mm²

Graphics Features

12 (12_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.2.170

Vulkan

N/A

-

CUDA

1.1

6.5

Shader Model

4.0

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