Mobility Radeon HD 3870 vs GeForce GT 745M

Place in performance ranking	754	978
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.47	no data
Architecture	Kepler (2012−2018)	RV6xx (2007−2010)
GPU code name	N14P-LP/GS	M88-XT
Market segment	Laptop	Laptop
Release date	1 April 2013 (11 years ago)	1 March 2008 (16 years ago)
Current price	$55	no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	384	320
Core clock speed	837 MHz	660 MHz
Number of transistors	1,270 million	666 million
Manufacturing process technology	28 nm	55 nm
Power consumption (TDP)	45 Watt	55 Watt
Texture fill rate	17.57	10.56
Floating-point performance	642.8 gflops	422.4 gflops

Form factor & compatibility

Information on GeForce GT 745M and Mobility Radeon HD 3870 compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.

Laptop size	medium sized	large
Bus support	PCI Express 3.0	no data
Interface	PCIe 3.0 x16	PCIe 2.0 x16

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 type	DDR3, GDDR5	GDDR3
Maximum RAM amount	2 GB	512 MB
Standard memory configuration	DDR3/GDDR5	no data
Memory bus width	128 Bit	256 Bit
Memory clock speed	1800 MHz	850 MHz
Memory bandwidth	64 GB/s	54.4 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 Connectors	No outputs	No outputs
eDP 1.2 signal support	Up to 3840x2160	no data
LVDS signal support	Up to 1920x1200	no data
VGA аnalog display support	Up to 2048x1536	no data
DisplayPort Multimode (DP++) support	Up to 3840x2160	no data
HDMI	+	no data
HDCP content protection	+	no data
7.1 channel HD audio on HDMI	+	no data
TrueHD and DTS-HD audio bitstreaming	+	no data

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

Blu-Ray 3D Support	+	no data
H.264, VC1, MPEG2 1080p video decoder	+	no data
Optimus	+	no data
3D Vision / 3DTV Play	+	no data

API compatibility

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

DirectX	12 API	10.1 (10_1)
Shader Model	5.1	4.1
OpenGL	4.5	3.3
OpenCL	1.1	N/A
Vulkan	1.1.126	N/A
CUDA	+	no data

Synthetic benchmark performance

Non-gaming benchmark performance comparison. The combined score is measured on a 0-100 point scale.

Combined synthetic benchmark score

This is our combined benchmark performance score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

GT 745M 2.82
+110%

ATI Mobility HD 3870 1.34

GeForce GT 745M outperforms Mobility Radeon HD 3870 by 110% based on our aggregated benchmark results.

3DMark Vantage Performance

3DMark Vantage is an outdated DirectX 10 benchmark using 1280x1024 screen resolution. It taxes the graphics card with two scenes, one depicting a girl escaping some militarized base located within a sea cave, the other displaying a space fleet attack on a defenseless planet. It was discontinued in April 2017, and Time Spy benchmark is now recommended to be used instead.

Benchmark coverage: 17%

GT 745M 9045
+162%

ATI Mobility HD 3870 3458

GeForce GT 745M outperforms Mobility Radeon HD 3870 by 162% in 3DMark Vantage Performance.

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:

900p	33 +136%	14−16 −136%
Full HD	30 +114%	14−16 −114%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

6−7
+50%

4−5

−50%

Full HD
Medium Preset

Assassin's Creed Odyssey	4−5 +300%	1−2 −300%
Battlefield 5	6−7 +200%	2−3 −200%
Call of Duty: Modern Warfare	12−14 +33.3%	9−10 −33.3%
Cyberpunk 2077	6−7 +50%	4−5 −50%
Far Cry 5	4−5 +300%	1−2 −300%
Far Cry New Dawn	4−5 +300%	1−2 −300%
Forza Horizon 4	7−8 +600%	1−2 −600%
Hitman 3	5−6 +400%	1−2 −400%
Horizon Zero Dawn	4−5 +300%	1−2 −300%
Red Dead Redemption 2	6−7 +50%	4−5 −50%
Shadow of the Tomb Raider	9−10 +28.6%	7−8 −28.6%
Watch Dogs: Legion	1−2	0−1

Full HD
High Preset

Assassin's Creed Odyssey	4−5 +300%	1−2 −300%
Battlefield 5	6−7 +200%	2−3 −200%
Call of Duty: Modern Warfare	12−14 +33.3%	9−10 −33.3%
Cyberpunk 2077	6−7 +50%	4−5 −50%
Far Cry 5	4−5 +300%	1−2 −300%
Far Cry New Dawn	4−5 +300%	1−2 −300%
Forza Horizon 4	7−8 +600%	1−2 −600%
Hitman 3	5−6 +400%	1−2 −400%
Horizon Zero Dawn	4−5 +300%	1−2 −300%
Metro Exodus	4−5 +100%	2−3 −100%
Red Dead Redemption 2	6−7 +50%	4−5 −50%
Shadow of the Tomb Raider	9−10 +28.6%	7−8 −28.6%
The Witcher 3: Wild Hunt	7−8 +75%	4−5 −75%
Watch Dogs: Legion	1−2	0−1

Full HD
Ultra Preset

Assassin's Creed Odyssey	4−5 +300%	1−2 −300%
Battlefield 5	6−7 +200%	2−3 −200%
Cyberpunk 2077	6−7 +50%	4−5 −50%
Far Cry 5	4−5 +300%	1−2 −300%
Far Cry New Dawn	4−5 +300%	1−2 −300%
Forza Horizon 4	7−8 +600%	1−2 −600%
The Witcher 3: Wild Hunt	7−8 +75%	4−5 −75%
Watch Dogs: Legion	1−2	0−1

1440p
High Preset

Call of Duty: Modern Warfare	5−6 +66.7%	3−4 −66.7%
Hitman 3	6−7 +50%	4−5 −50%
Horizon Zero Dawn	9−10 +12.5%	8−9 −12.5%
Metro Exodus	1−2	0−1
Red Dead Redemption 2	1−2	0−1
Shadow of the Tomb Raider	6−7 +20%	5−6 −20%

1440p
Ultra Preset

Assassin's Creed Odyssey	0−1	0−1
Cyberpunk 2077	1−2 +0%	1−2 +0%
Far Cry 5	4−5 +100%	2−3 −100%
Forza Horizon 4	1−2	0−1
The Witcher 3: Wild Hunt	3−4 +50%	2−3 −50%

4K
High Preset

Call of Duty: Modern Warfare	2−3 +0%	2−3 +0%
Hitman 3	3−4 +200%	1−2 −200%
Horizon Zero Dawn	7−8 +0%	7−8 +0%
Red Dead Redemption 2	1−2	0−1

4K
Ultra Preset

Assassin's Creed Odyssey	1−2	0−1
Assassin's Creed Valhalla	1−2	0−1
Far Cry 5	4−5 +33.3%	3−4 −33.3%
Far Cry New Dawn	6−7 +20%	5−6 −20%

This is how GT 745M and ATI Mobility HD 3870 compete in popular games:

GT 745M is 136% faster than ATI Mobility HD 3870 in 900p
GT 745M is 114% faster than ATI Mobility HD 3870 in 1080p

Here's the range of performance differences observed across popular games:

in Forza Horizon 4, with 1080p resolution and the Medium Preset, the GT 745M is 600% faster than the ATI Mobility HD 3870.

All in all, in popular games:

GT 745M is ahead in 29 tests (91%)
there's a draw in 3 tests (9%)

Pros & cons summary

Performance score	2.82	1.34
Recency	1 April 2013	1 March 2008
Maximum RAM amount	2 GB	512 MB
Chip lithography	28 nm	55 nm
Power consumption (TDP)	45 Watt	55 Watt