GPUs

ATI Radeon HD 3830 vs NVIDIA GeForce GTX 260 Full Specs

320 Shaders
668MHz
192 Shaders
576MHz
262MB GDDR326.5GB/s
918MB GDDR3111.9GB/s
··
427.5 GFLOPS
··
476.9 GFLOPS
Form Factor
PCIe Card
Form Factor
PCIe Card
TDP
75W
TDP
182W
Power Connectors
1x 6-Pin
Power Connectors
2x 6-Pin

Radeon HD 3830Radeon HD 3830427.5 GFLOPSFP32
x1
GeForce GTX 260GeForce GTX 260476.9 GFLOPSFP32
x1.12

Clock Speed
··
Clock Speed
··
Peak OPS
427.5 GFLOPSFP32
Peak OPS
476.9 GFLOPSFP32
FP32
427.5 GFLOPS
FP32
476.9 GFLOPS
FP64
85.5 GFLOPS
FP64
59.62 GFLOPS
Pixel Rate
10.7 GPixel/s
Pixel Rate
34.8 GPixel/s
Texture Rate
10.7 GTexel/s
Texture Rate
79.5 GTexel/s

Shaders
320 Shaders
Shaders
192 Shaders
TMUs
16 TMUs
TMUs
64 TMUs
ROPs
16 ROPs
ROPs
28 ROPs
CUs
4 CUs
SMs
24 SMs

Boost Clock
668MHz
Boost Clock
576MHz
Shader Clock
-
Shader Clock
1.24GHz

L2 Cache
256KB shared
L2 Cache
256KB shared

262MB GDDR3
918MB GDDR3
Memory Bus
128-bit
Memory Bus
448-bit
Memory Speed
1.7GT/s
Memory Speed
2GT/s
Memory Bandwidth
26.5GB/s
Memory Bandwidth
111.9GB/s

TDP
75W
TDP
182W

Multi-Monitor
2
Multi-Monitor
2

2x DVI-I Dual-Link
2x DVI-I Dual-Link
1x S-Video
1x S-Video

Decoder Model
UVD 1.0
Decoder Model
VP2

Form Factor
PCIe Card
Form Factor
PCIe Card
PCIe
1-Slots
PCIe
2-Slots
-
Height
111 mm (4.37")
Width
267 mm (10.51")
Depth
38 mm (1.5")
Cooling
Open-Air
1x Fan
Cooling
Blower
1x Fan
Power Connectors
1x 6-Pin
Power Connectors
2x 6-Pin

Manufacturer
Manufacturer
Chip Designer
Chip Designer
Architecture
Architecture
Family
Family
Branding
Radeon 2007 branding
Branding
GeForce 2006 branding
Codename
Boom
Codename
NVA0
Chip Variant
RV670 Pro
Chip Variant
GT200-100-A2
Market Segment
Desktop
Market Segment
Desktop
Release Date
Apr 1, 2008
Release Date
Jun 16, 2008

Foundry
TSMC
Foundry
TSMC
Fabrication Node
55nm
Fabrication Node
65nm
Die Size
192mm²
Die Size
576mm²
Transistor Count
666 Million
Transistor Count
1.4 Billion
Transistor Density
3.47 MTr/mm²
Transistor Density
2.43 MTr/mm²

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