GPUs

ATI Radeon HD 3850 vs NVIDIA GeForce 8800 GTX Full Specs

320 Shaders
668MHz
128 Shaders
575MHz
524MB GDDR457.6GB/s
786MB GDDR386.4GB/s
··
427.5 GFLOPS
··
345.6 GFLOPS
Form Factor
PCIe Card
Form Factor
PCIe Card
TDP
75W
TDP
145W
Power Connectors
1x 6-Pin
Power Connectors
2x 6-Pin

Radeon HD 3850Radeon HD 3850427.5 GFLOPSFP32
x1.24
GeForce 8800 GTXGeForce 8800 GTX345.6 GFLOPSFP32
x1

Clock Speed
··
Clock Speed
··
Peak OPS
427.5 GFLOPSFP32
Peak OPS
345.6 GFLOPSFP32
FP32
427.5 GFLOPS
FP32
345.6 GFLOPS
FP64
85.5 GFLOPS
-
Pixel Rate
10.7 GPixel/s
Pixel Rate
32.4 GPixel/s
Texture Rate
10.7 GTexel/s
Texture Rate
43.2 GTexel/s

Shaders
320 Shaders
Shaders
128 Shaders
TMUs
16 TMUs
TMUs
32 TMUs
ROPs
16 ROPs
ROPs
24 ROPs
CUs
4 CUs
SMs
16 SMs

Boost Clock
668MHz
Boost Clock
575MHz
Shader Clock
-
Shader Clock
1.35GHz

L2 Cache
256KB shared
L2 Cache
96KB shared

524MB GDDR4
786MB GDDR3
Memory Bus
256-bit
Memory Bus
384-bit
Memory Speed
1.8GT/s
Memory Speed
1.8GT/s
Memory Bandwidth
57.6GB/s
Memory Bandwidth
86.4GB/s

TDP
75W
TDP
145W

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
VP1

Form Factor
PCIe Card
Form Factor
PCIe Card
PCIe
1-Slots
PCIe
2-Slots
-
Height
111 mm (4.37")
Width
270 mm (10.63")
Depth
37 mm (1.46")
Cooling
Blower
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
NV50
Chip Variant
RV670 Pro
Chip Variant
-
Market Segment
Desktop
Market Segment
Desktop
Release Date
Nov 19, 2007
Release Date
Nov 8, 2006

Foundry
TSMC
Foundry
TSMC
Fabrication Node
55nm
Fabrication Node
90nm
Die Size
192mm²
Die Size
484mm²
Transistor Count
666 Million
Transistor Count
681 Million
Transistor Density
3.47 MTr/mm²
Transistor Density
1.41 MTr/mm²

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