Product comparison · 2 gpus

GIGABYTE GV-N84S-512I graphics card NVIDIA GeForce 8400 GS vs GIGABYTE GV-R577D5-1GD-B graphics card AMD

Key differences

Graphics processor family
- GV-N84S-512I graphics card NVIDIA GeForce 8400 GS:NVIDIA
- GV-R577D5-1GD-B graphics card AMD:AMD
Processor frequency
- GV-N84S-512I graphics card NVIDIA GeForce 8400 GS:450 MHz
- GV-R577D5-1GD-B graphics card AMD:850 MHz
Stream processors
- GV-N84S-512I graphics card NVIDIA GeForce 8400 GS:16
- GV-R577D5-1GD-B graphics card AMD:800
Discrete graphics card memory
- GV-N84S-512I graphics card NVIDIA GeForce 8400 GS:0.5 GB
- GV-R577D5-1GD-B graphics card AMD:1 GB
Graphics card memory type
- GV-N84S-512I graphics card NVIDIA GeForce 8400 GS:GDDR2
- GV-R577D5-1GD-B graphics card AMD:GDDR5
Memory bus
- GV-N84S-512I graphics card NVIDIA GeForce 8400 GS:64 bit
- GV-R577D5-1GD-B graphics card AMD:128 bit
Memory clock speed
- GV-N84S-512I graphics card NVIDIA GeForce 8400 GS:800 MHz
- GV-R577D5-1GD-B graphics card AMD:4800 MHz
DirectX version
- GV-N84S-512I graphics card NVIDIA GeForce 8400 GS:10
- GV-R577D5-1GD-B graphics card AMD:11

Differences highlightedShow differences only

Comparison of GV-N84S-512I, GV-R577D5-1GD-B
30 specifications	A GIGABYTE GV-N84S-512I graphics card NVIDIA GeForce 8400 GS Model GV-N84S-512I View product	B GIGABYTE GV-R577D5-1GD-B graphics card AMD Model GV-R577D5-1GD-B View product
Processor3 differ
Graphics processor familyDiffers	NVIDIA	AMD
Graphics processorKnown for one	GeForce 8400 GS	Unknown — not stated by the source
CUDAKnown for one	Yes	Unknown — not stated by the source
Processor frequencyDiffers	450 MHz	850 MHz
Shader clockKnown for one	1125 MHz	Unknown — not stated by the source
Stream processorsDiffers	16	800
Memory4 differ
Discrete graphics card memoryDiffers	0.5 GB	1 GB
Graphics card memory typeDiffers	GDDR2	GDDR5
Memory busDiffers	64 bit	128 bit
Memory clock speedDiffers	800 MHz	4800 MHz
Ports & interfacesidentical
HDMI ports quantityKnown for one	Unknown — not stated by the source	1
Performance3 differ
PhysXKnown for one	Yes	Unknown — not stated by the source
DirectX versionDiffers	10	11
Shader model versionDiffers	4.0	5.0
OpenGL versionDiffers	2.1	3.1
Video formats supportedKnown for one	Unknown — not stated by the source	H.264
Designidentical
CertificationKnown for one	Unknown — not stated by the source	RoHS
Other features1 differ
Compatible operating systemsDiffers	Win Vista	Win 7/Vista

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.