GeForce GT 640 Rev. 2 vs 9800 GT

VS

Aggregate performance score

We've compared GeForce 9800 GT and GeForce GT 640 Rev. 2, covering specs and all relevant benchmarks.

9800 GT
2008
1 GB GDDR3, 105 Watt
1.24

GT 640 Rev. 2 outperforms 9800 GT by a whopping 186% based on our aggregate benchmark results.

Primary details

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

Place in the ranking1036717
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.040.19
Power efficiency0.695.04
ArchitectureTesla (2006−2010)Kepler 2.0 (2013−2015)
GPU code nameG92GK208
Market segmentDesktopDesktop
Release date21 July 2008 (16 years ago)29 May 2013 (11 years ago)
Launch price (MSRP)$160 $89

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

GT 640 Rev. 2 has 375% better value for money than 9800 GT.

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 cores112384
Core clock speed600 MHz1046 MHz
Number of transistors754 million915 million
Manufacturing process technology65 nm28 nm
Power consumption (TDP)105 Watt49 Watt
Maximum GPU temperature105 °Cno data
Texture fill rate33.6033.47
Floating-point processing power0.336 TFLOPS0.8033 TFLOPS
ROPs168
TMUs5632

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 2.0 x8
Length229 mm145 mm
Height1-slotno data
Width1-slot1-slot
Supplementary power connectors1x 6-pinNone
SLI options+-

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 typeGDDR3GDDR5
Maximum RAM amount1 GB1 GB
Memory bus width256 Bit64 Bit
Memory clock speed900 MHz1252 MHz
Memory bandwidth57.6 GB/s40.06 GB/s

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display ConnectorsHDTVDual Link DVI1x DVI, 1x HDMI, 1x VGA
Multi monitor support+no data
HDMI-+
Maximum VGA resolution2048x1536no data
Audio input for HDMIS/PDIFno data

API compatibility

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

DirectX11.1 (10_0)12 (11_0)
Shader Model4.05.1
OpenGL2.14.6
OpenCL1.11.2
VulkanN/A1.1.126
CUDA+3.5

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Pros & cons summary


Performance score 1.24 3.55
Recency 21 July 2008 29 May 2013
Chip lithography 65 nm 28 nm
Power consumption (TDP) 105 Watt 49 Watt

GT 640 Rev. 2 has a 186.3% higher aggregate performance score, an age advantage of 4 years, a 132.1% more advanced lithography process, and 114.3% lower power consumption.

The GeForce GT 640 Rev. 2 is our recommended choice as it beats the GeForce 9800 GT in performance tests.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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NVIDIA GeForce 9800 GT
GeForce 9800 GT
NVIDIA GeForce GT 640 Rev. 2
GeForce GT 640 Rev. 2

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Community ratings

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3.3 1428 votes

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3.9 26 votes

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Questions & comments

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