ATI Mobility Radeon HD 3870 vs GeForce GT 640

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GT 630 OEM GT 640 GT 640 OEM GT 720 OEM GT 730 OEM GT 740 GT 1030 GK107 GTX 650
VS
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3400 3410 3430 3450 3470 3470 Hybrid X2 3650 3670 3850 3850 X2 3870 3870 X2

Aggregate performance score

We've compared GeForce GT 640 with Mobility Radeon HD 3870, including specs and performance data.

GT 640
2012, $99
2 GB DDR3, 65 Watt
2.79
+125%

GT 640 outperforms Mobility HD 3870 by a whopping 125% based on our aggregate benchmark results.

Contents

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GT 640 GT 640
ATI Mobility HD 3870 Mobility HD 3870

Primary details

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

Place in the ranking8461087
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.20no data
Power efficiency3.311.74
ArchitectureKepler (2012−2018)TeraScale (2005−2013)
GPU code nameGK107M88
Market segmentDesktopLaptop
Release date5 June 2012 (13 years ago)4 June 2008 (17 years ago)
Launch price (MSRP)$99 no data

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 cores384320
Core clock speed902 MHz660 MHz
Number of transistors1,270 million666 million
Manufacturing process technology28 nm55 nm
Power consumption (TDP)65 Watt55 Watt
Texture fill rate28.8610.56
Floating-point processing power0.6927 TFLOPS0.4224 TFLOPS
ROPs1616
TMUs3216
L1 Cache32 KBno data
L2 Cache256 KB256 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).

Laptop sizeno datalarge
InterfacePCIe 3.0 x16PCIe 2.0 x16
Length145 mmno data
Width1-slotno data
Supplementary power connectorsNoneno data

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 GB512 MB
Memory bus width128 Bit256 Bit
Memory clock speed891 MHz850 MHz
Memory bandwidth28.51 GB/s54.4 GB/s
Shared memoryno data-

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 DisplayPortNo outputs
HDMI+-

API and SDK support

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

DirectX12 (11_0)10.1 (10_1)
Shader Model5.14.1
OpenGL4.63.3
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.

FPS performance in popular games

Full HD
Low

Cyberpunk 2077 3−4
+0%
3−4
+0%
Resident Evil 4 Remake 0−1 0−1

Full HD
Medium

Battlefield 5 1−2
+0%
1−2
+0%
Cyberpunk 2077 3−4
+0%
3−4
+0%
Far Cry 5 2−3
+0%
2−3
+0%
Fortnite 3−4
+0%
3−4
+0%
Forza Horizon 4 8−9
+0%
8−9
+0%
Forza Horizon 5 1−2
+0%
1−2
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 9−10
+0%
9−10
+0%
Valorant 30−35
+0%
30−35
+0%

Full HD
High

Battlefield 5 1−2
+0%
1−2
+0%
Counter-Strike: Global Offensive 27−30
+0%
27−30
+0%
Cyberpunk 2077 3−4
+0%
3−4
+0%
Dota 2 16−18
+0%
16−18
+0%
Far Cry 5 2−3
+0%
2−3
+0%
Fortnite 3−4
+0%
3−4
+0%
Forza Horizon 4 8−9
+0%
8−9
+0%
Forza Horizon 5 1−2
+0%
1−2
+0%
Grand Theft Auto V 0−1 0−1
Metro Exodus 2−3
+0%
2−3
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 9−10
+0%
9−10
+0%
The Witcher 3: Wild Hunt 7−8
+0%
7−8
+0%
Valorant 30−35
+0%
30−35
+0%

Full HD
Ultra

Battlefield 5 1−2
+0%
1−2
+0%
Cyberpunk 2077 3−4
+0%
3−4
+0%
Dota 2 16−18
+0%
16−18
+0%
Far Cry 5 2−3
+0%
2−3
+0%
Forza Horizon 4 8−9
+0%
8−9
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 9−10
+0%
9−10
+0%
The Witcher 3: Wild Hunt 7−8
+0%
7−8
+0%
Valorant 30−35
+0%
30−35
+0%

Full HD
Epic

Fortnite 3−4
+0%
3−4
+0%

1440p
High

Counter-Strike 2 4−5
+0%
4−5
+0%
Counter-Strike: Global Offensive 8−9
+0%
8−9
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 12−14
+0%
12−14
+0%
Valorant 3−4
+0%
3−4
+0%

1440p
Ultra

Cyberpunk 2077 0−1 0−1
Far Cry 5 1−2
+0%
1−2
+0%
Forza Horizon 4 3−4
+0%
3−4
+0%
The Witcher 3: Wild Hunt 2−3
+0%
2−3
+0%

1440p
Epic

Fortnite 2−3
+0%
2−3
+0%

4K
High

Grand Theft Auto V 14−16
+0%
14−16
+0%
Valorant 6−7
+0%
6−7
+0%

4K
Ultra

Dota 2 1−2
+0%
1−2
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 2−3
+0%
2−3
+0%

4K
Epic

Fortnite 2−3
+0%
2−3
+0%

All in all, in popular games:

  • there's a draw in 43 tests (100%)

Pros & cons summary

Performance score 2.79 1.24
Recency 5 June 2012 4 June 2008
Maximum RAM amount 2 GB 512 MB
Chip lithography 28 nm 55 nm
Power consumption (TDP) 65 Watt 55 Watt

GT 640 has a 125% higher aggregate performance score, an age advantage of 4 years, a 300% higher maximum VRAM amount, and a 96% more advanced lithography process.

ATI Mobility HD 3870, on the other hand, has 18% lower power consumption.

The GeForce GT 640 is our recommended choice as it beats the Mobility Radeon HD 3870 in performance tests.

Be aware that GeForce GT 640 is a desktop graphics card while Mobility Radeon HD 3870 is a notebook one.

Other comparisons

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

GT 640 GeForce GT 640
vs
HD 7730 Radeon HD 7730
ATI Mobility HD 3870 Mobility Radeon HD 3870
vs
GT 630M GeForce GT 630M
GT 640 GeForce GT 640
vs
ATI HD 5750 Radeon HD 5750
9400 GT Rev. 3 9400 GT Rev. 3
vs
CMP 30HX CMP 30HX
9400 GT Rev. 3 9400 GT Rev. 3
vs
R7 350 Fake Card R7 350 Fake Card
9400 GT Rev. 3 9400 GT Rev. 3
vs
Apple M4 8-core GPU M4 8 core GPU
9400 GT Rev. 3 9400 GT Rev. 3
vs
RX 9070 GRE RX 9070 GRE
GT 640 GT 640
vs
R6 M340DX R6 M340DX
GT 640 GT 640
vs
HD 6490M HD 6490M
GT 640 GT 640
vs
Go 7900 GTX Go 7900 GTX
GT 640 GT 640
vs
HD 6510G2 HD 6510G2
GT 640 GT 640
vs
HD 6430M HD 6430M
GT 640 GT 640
vs
6800 GS 6800 GS

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.

3.3 1815 votes

Rate GeForce GT 640 on a scale of 1 to 5:

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2.3 3 votes

Rate Mobility Radeon HD 3870 on a scale of 1 to 5:

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Comments

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