Radeon HD 7950 Monica BIOS 2 vs GeForce GT 640 OEM

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Primary details

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

Place in the ranking995not rated
Place by popularitynot in top-100not in top-100
Power efficiency2.36no data
ArchitectureKepler (2012−2018)GCN 1.0 (2012−2020)
GPU code nameGK107Tahiti
Market segmentDesktopDesktop
Release date24 April 2012 (13 years ago)31 January 2012 (13 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 cores384768
Core clock speed797 MHz800 MHz
Number of transistors1,270 million4,313 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)50 Watt85 Watt
Texture fill rate25.5038.40
Floating-point processing power0.6121 TFLOPS1.229 TFLOPS
ROPs1632
TMUs3248
L1 Cache32 KB192 KB
L2 Cache256 KB768 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 3.0 x16PCIe 3.0 x16
Length145 mm267 mm
Width1-slot2-slot
Supplementary power connectorsNone1x 6-pin + 1x 8-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 typeDDR3GDDR5
Maximum RAM amount2 GB3 GB
Memory bus width128 Bit384 Bit
Memory clock speed891 MHz1250 MHz
Memory bandwidth28.51 GB/s240.0 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 Connectors1x DVI, 1x HDMI, 1x DisplayPort1x DVI, 1x HDMI, 2x mini-DisplayPort
HDMI++

API and SDK support

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

DirectX12 (11_0)12 (11_1)
Shader Model5.15.1
OpenGL4.64.6
OpenCL1.21.2
Vulkan1.1.1261.2.131
CUDA3.0-

Pros & cons summary


Recency 24 April 2012 31 January 2012
Maximum RAM amount 2 GB 3 GB
Power consumption (TDP) 50 Watt 85 Watt

GT 640 OEM has an age advantage of 2 months, and 70% lower power consumption.

HD 7950 Monica BIOS 2, on the other hand, has a 50% higher maximum VRAM amount.

We couldn't decide between GeForce GT 640 OEM and Radeon HD 7950 Monica BIOS 2. We've got no test results to judge.

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NVIDIA GeForce GT 640 OEM
GeForce GT 640 OEM
AMD Radeon HD 7950 Monica BIOS 2
Radeon HD 7950 Monica BIOS 2

Other comparisons

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Community ratings

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