GeForce 8800 GTS 640 vs ATI Radeon HD 3850

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Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking1148not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.04no data
Power efficiency0.98no data
ArchitectureTeraScale (2005−2013)Tesla (2006−2010)
GPU code nameRV670G80
Market segmentDesktopDesktop
Release date19 November 2007 (17 years ago)8 November 2006 (18 years ago)
Launch price (MSRP)$179 $449

Cost-effectiveness evaluation

The higher the ratio, the better. We use the manufacturer's recommended prices.

no data

Performance to price scatter graph

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores32096
Core clock speed668 MHz513 MHz
Number of transistors666 million681 million
Manufacturing process technology55 nm90 nm
Power consumption (TDP)75 Watt143 Watt
Texture fill rate10.6924.62
Floating-point processing power0.4275 TFLOPS0.2281 TFLOPS
ROPs1620
TMUs1624
L2 Cache256 KB80 KB

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

InterfacePCIe 2.0 x16PCIe 1.0 x16
Length208 mm267 mm
Width1-slot2-slot
Supplementary power connectors1x 6-pin1x 6-pin

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR3GDDR3
Maximum RAM amount1 GB640 MB
Memory bus width256 Bit320 Bit
Memory clock speed830 MHz792 MHz
Memory bandwidth53.12 GB/s63.36 GB/s

Connectivity and outputs

This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.

Display Connectors2x DVI, 1x S-Video2x DVI, 1x S-Video

API and SDK compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX10.1 (10_1)11.1 (10_0)
Shader Model4.14.0
OpenGL3.33.3
OpenCLN/A1.1
VulkanN/AN/A
CUDA-+

Pros & cons summary


Recency 19 November 2007 8 November 2006
Maximum RAM amount 1 GB 640 MB
Chip lithography 55 nm 90 nm
Power consumption (TDP) 75 Watt 143 Watt

ATI HD 3850 has an age advantage of 1 year, a 60% higher maximum VRAM amount, a 63.6% more advanced lithography process, and 90.7% lower power consumption.

We couldn't decide between Radeon HD 3850 and GeForce 8800 GTS 640. We've got no test results to judge.

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ATI Radeon HD 3850
Radeon HD 3850
NVIDIA GeForce 8800 GTS 640
GeForce 8800 GTS 640

Other comparisons

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Community ratings

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3.4 215 votes

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3.6 47 votes

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