ATI Radeon X1900 GT vs GeForce GT 640 OEM

VS

Aggregate performance score

We've compared GeForce GT 640 OEM and Radeon X1900 GT, covering specs and all relevant benchmarks.

GT 640 OEM
2012
2 GB DDR3, 50 Watt
1.70
+347%

GT 640 OEM outperforms ATI X1900 GT by a whopping 347% based on our aggregate benchmark results.

Primary details

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

Place in the ranking9351268
Place by popularitynot in top-100not in top-100
Power efficiency2.330.35
ArchitectureKepler (2012−2018)R500 (2005−2007)
GPU code nameGK107R580
Market segmentDesktopDesktop
Release date24 April 2012 (12 years ago)1 May 2006 (18 years ago)

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 cores384no data
Core clock speed797 MHz575 MHz
Number of transistors1,270 million384 million
Manufacturing process technology28 nm90 nm
Power consumption (TDP)50 Watt75 Watt
Texture fill rate25.506.900
Floating-point processing power0.6121 TFLOPSno data
ROPs1612
TMUs3212

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 3.0 x16PCIe 1.0 x16
Length145 mmno data
Width1-slot1-slot
Supplementary power connectorsNone1x 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 typeDDR3GDDR3
Maximum RAM amount2 GB256 MB
Memory bus width128 Bit256 Bit
Memory clock speed891 MHz600 MHz
Memory bandwidth28.51 GB/s38.4 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 Connectors1x DVI, 1x HDMI, 1x DisplayPort2x DVI, 1x S-Video
HDMI+-

API compatibility

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

DirectX12 (11_0)9.0c (9_3)
Shader Model5.13.0
OpenGL4.62.0
OpenCL1.2N/A
Vulkan1.1.126N/A
CUDA3.0-

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 1.70 0.38
Recency 24 April 2012 1 May 2006
Maximum RAM amount 2 GB 256 MB
Chip lithography 28 nm 90 nm
Power consumption (TDP) 50 Watt 75 Watt

GT 640 OEM has a 347.4% higher aggregate performance score, an age advantage of 5 years, a 700% higher maximum VRAM amount, a 221.4% more advanced lithography process, and 50% lower power consumption.

The GeForce GT 640 OEM is our recommended choice as it beats the Radeon X1900 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 GT 640 OEM
GeForce GT 640 OEM
ATI Radeon X1900 GT
Radeon X1900 GT

Comparisons with similar GPUs

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Community ratings

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3.9 35 votes

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2.9 36 votes

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