AMD Radeon R9 280 vs NVIDIA GeForce 8400 GS PCI

VS

AMD Radeon R9 280 NVIDIA GeForce 8400 GS PCI

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280 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 280 's Advantages

Released 6 years and 3 months late

Boost Clock933MHz

Larger VRAM bandwidth (240.0GB/s vs 5.328GB/s)

1784 additional rendering cores

NVIDIA GeForce 8400 GS PCI 's Advantages

Lower TDP (25W vs 200W)

Score

Benchmark

FP32 (float)

Radeon R9 280 +15100%

3.344 TFLOPS

GeForce 8400 GS PCI

0.022 TFLOPS

Radeon R9 280

VS

GeForce 8400 GS PCI

Graphics Card

Mar 2014

Release Date

Dec 2007

Volcanic Islands

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCI

Clock Speeds

827 MHz

Base Clock

-

933 MHz

Boost Clock

-

1250 MHz

Memory Clock

333 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

384bit

Memory Bus

64bit

240.0GB/s

Bandwidth

5.328GB/s

Render Config

-

SM Count

1

28

Compute Units

-

1792

Shading Units

8

112

TMUs

4

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

16 KB

Theoretical Performance

29.86 GPixel/s

Pixel Rate

2.268 GPixel/s

104.5 GTexel/s

Texture Rate

2.268 GTexel/s

-

FP16 (half)

-

3.344 TFLOPS

FP32 (float)

22.40 GFLOPS

836.0 GFLOPS

FP64 (double)

-

Graphics Processor

Tahiti

GPU Name

G98

Tahiti PRO3 (215-0821330)

GPU Variant

G98-400-U2

GCN 1.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

4.313 billion

Transistors

0.21 billion

352 mm²

Die Size

86 mm²

Board Design

200W

TDP

25W

550 W

Suggested PSU

200 W

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

Outputs

1x S-Video 1x DMS-59

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.1

5.1

Shader Model

4.0

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