NVIDIA GeForce 8400 vs AMD Radeon Sky 500

VS

NVIDIA GeForce 8400

AMD Radeon Sky 500

We compared two Desktop platform GPUs: 256MB VRAM GeForce 8400 and 4GB VRAM Radeon Sky 500 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 150W)

AMD Radeon Sky 500 's Advantages

Released 5 years and 3 months late

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (153.6GB/s vs 8.000GB/s)

1272 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400

0.021 TFLOPS

Radeon Sky 500 +11480%

2.432 TFLOPS

GeForce 8400

VS

Radeon Sky 500

Graphics Card

Dec 2007

Release Date

Mar 2013

GeForce 8

Generation

Radeon Sky

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

500 MHz

Memory Clock

1200 MHz

Memory

256MB

Memory Size

4GB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

256bit

8.000GB/s

Bandwidth

153.6GB/s

Render Config

-

Compute Units

20

1

SM Count

-

8

Shading Units

1280

4

TMUs

80

4

ROPs

32

-

L1 Cache

16 KB (per CU)

16 KB

L2 Cache

512 KB

-

Theoretical Performance

2.160 GPixel/s

Pixel Rate

30.40 GPixel/s

2.160 GTexel/s

Texture Rate

76.00 GTexel/s

-

20.80 GFLOPS

FP32 (float)

2.432 TFLOPS

-

FP64 (double)

152.0 GFLOPS

Board Design

25W

TDP

150W

200 W

Suggested PSU

450 W

1x DVI 1x VGA 1x S-Video

Outputs

1x DisplayPort 1.2

None

Power Connectors

1x 6-pin

Graphics Processor

G98

GPU Name

Pitcairn

-

GPU Variant

Pitcairn XT GL (215-0828073)

Tesla

Architecture

GCN 1.0

TSMC

Foundry

TSMC

65 nm

Process Size

28 nm

0.21 billion

Transistors

2.8 billion

86 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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