GeForce GT 640 Rev. 2 vs Radeon HD 6650M

Aggregate performance score

We've compared Radeon HD 6650M with GeForce GT 640 Rev. 2, including specs and performance data.

HD 6650M
2011
1 GB DDR3
1.95

GT 640 Rev. 2 outperforms HD 6650M by an impressive 82% based on our aggregate benchmark results.

Primary details

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

Place in the ranking898720
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data0.19
Power efficiencyno data5.01
ArchitectureTeraScale 2 (2009−2015)Kepler 2.0 (2013−2015)
GPU code nameWhistlerGK208
Market segmentLaptopDesktop
Release date4 January 2011 (13 years ago)29 May 2013 (11 years ago)
Launch price (MSRP)no data$89

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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 cores480384
Core clock speed600 MHz1046 MHz
Number of transistors716 million915 million
Manufacturing process technology40 nm28 nm
Power consumption (TDP)no data49 Watt
Texture fill rate14.4033.47
Floating-point processing power0.576 TFLOPS0.8033 TFLOPS
ROPs88
TMUs2432

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).

Laptop sizemedium sizedno data
InterfacePCIe 2.0 x16PCIe 2.0 x8
Lengthno data145 mm
Widthno data1-slot
Supplementary power connectorsno dataNone

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 amount1 GB1 GB
Memory bus width128 Bit64 Bit
Memory clock speed800 MHz1252 MHz
Memory bandwidth25.6 GB/s40.06 GB/s
Shared memory--

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 ConnectorsNo outputs1x DVI, 1x HDMI, 1x VGA
HDMI-+

API compatibility

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

DirectX11.2 (11_0)12 (11_0)
Shader Model5.05.1
OpenGL4.44.6
OpenCL1.21.2
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.

Average FPS across all PC games

Here are the average frames per second in a large set of popular games across different resolutions:

900p19
−57.9%
30−35
+57.9%
Full HD17
−76.5%
30−35
+76.5%

Cost per frame, $

1080pno data2.97

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 4−5
−75%
7−8
+75%

Full HD
Medium Preset

Assassin's Creed Odyssey 7−8
−71.4%
12−14
+71.4%
Battlefield 5 1−2
+0%
1−2
+0%
Call of Duty: Modern Warfare 5−6
−80%
9−10
+80%
Cyberpunk 2077 4−5
−75%
7−8
+75%
Far Cry 5 3−4
−66.7%
5−6
+66.7%
Far Cry New Dawn 5−6
−80%
9−10
+80%
Forza Horizon 4 8−9
−75%
14−16
+75%
Hitman 3 6−7
−66.7%
10−11
+66.7%
Horizon Zero Dawn 16−18
−76.5%
30−33
+76.5%
Red Dead Redemption 2 4−5
−75%
7−8
+75%
Shadow of the Tomb Raider 10−11
−80%
18−20
+80%
Watch Dogs: Legion 35−40
−71.4%
60−65
+71.4%

Full HD
High Preset

Assassin's Creed Odyssey 7−8
−71.4%
12−14
+71.4%
Battlefield 5 1−2
+0%
1−2
+0%
Call of Duty: Modern Warfare 5−6
−80%
9−10
+80%
Cyberpunk 2077 4−5
−75%
7−8
+75%
Far Cry 5 3−4
−66.7%
5−6
+66.7%
Far Cry New Dawn 5−6
−80%
9−10
+80%
Forza Horizon 4 8−9
−75%
14−16
+75%
Hitman 3 6−7
−66.7%
10−11
+66.7%
Horizon Zero Dawn 16−18
−76.5%
30−33
+76.5%
Red Dead Redemption 2 4−5
−75%
7−8
+75%
Shadow of the Tomb Raider 10−11
−80%
18−20
+80%
The Witcher 3: Wild Hunt 12−14
−75%
21−24
+75%
Watch Dogs: Legion 35−40
−71.4%
60−65
+71.4%

Full HD
Ultra Preset

Assassin's Creed Odyssey 7−8
−71.4%
12−14
+71.4%
Call of Duty: Modern Warfare 5−6
−80%
9−10
+80%
Cyberpunk 2077 4−5
−75%
7−8
+75%
Far Cry 5 3−4
−66.7%
5−6
+66.7%
Forza Horizon 4 8−9
−75%
14−16
+75%
Hitman 3 6−7
−66.7%
10−11
+66.7%
Horizon Zero Dawn 16−18
−76.5%
30−33
+76.5%
Shadow of the Tomb Raider 10−11
−80%
18−20
+80%
The Witcher 3: Wild Hunt 12−14
−75%
21−24
+75%
Watch Dogs: Legion 35−40
−71.4%
60−65
+71.4%

Full HD
Epic Preset

Red Dead Redemption 2 4−5
−75%
7−8
+75%

1440p
High Preset

Battlefield 5 3−4
−66.7%
5−6
+66.7%
Far Cry New Dawn 3−4
−66.7%
5−6
+66.7%

1440p
Ultra Preset

Assassin's Creed Odyssey 2−3
−50%
3−4
+50%
Call of Duty: Modern Warfare 1−2
+0%
1−2
+0%
Cyberpunk 2077 1−2
+0%
1−2
+0%
Far Cry 5 2−3
−50%
3−4
+50%
Hitman 3 7−8
−71.4%
12−14
+71.4%
Horizon Zero Dawn 6−7
−66.7%
10−11
+66.7%
The Witcher 3: Wild Hunt 1−2
+0%
1−2
+0%
Watch Dogs: Legion 10−12
−63.6%
18−20
+63.6%

1440p
Epic Preset

Red Dead Redemption 2 5−6
−80%
9−10
+80%

4K
High Preset

Far Cry New Dawn 1−2
+0%
1−2
+0%

4K
Ultra Preset

Assassin's Creed Odyssey 2−3
−50%
3−4
+50%
Assassin's Creed Valhalla 1−2
+0%
1−2
+0%
Call of Duty: Modern Warfare 0−1 0−1
Far Cry 5 1−2
+0%
1−2
+0%
Watch Dogs: Legion 0−1 0−1

4K
Epic Preset

Red Dead Redemption 2 3−4
−66.7%
5−6
+66.7%

This is how HD 6650M and GT 640 Rev. 2 compete in popular games:

  • GT 640 Rev. 2 is 58% faster in 900p
  • GT 640 Rev. 2 is 76% faster in 1080p

Pros & cons summary


Performance score 1.95 3.55
Recency 4 January 2011 29 May 2013
Chip lithography 40 nm 28 nm

GT 640 Rev. 2 has a 82.1% higher aggregate performance score, an age advantage of 2 years, and a 42.9% more advanced lithography process.

The GeForce GT 640 Rev. 2 is our recommended choice as it beats the Radeon HD 6650M in performance tests.

Be aware that Radeon HD 6650M is a notebook card while GeForce GT 640 Rev. 2 is a desktop one.


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

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AMD Radeon HD 6650M
Radeon HD 6650M
NVIDIA GeForce GT 640 Rev. 2
GeForce GT 640 Rev. 2

Comparisons with similar GPUs

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Community ratings

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3.4 54 votes

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3.9 26 votes

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Questions & comments

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