GeForce 920A vs ATI Mobility Radeon HD 3870 X2

Place in the ranking	850	852
Place by popularity	not in top-100	not in top-100
Power efficiency	1.45	4.74
Architecture	TeraScale (2005−2013)	Kepler 2.0 (2013−2015)
GPU code name	M88	GK208B
Market segment	Laptop	Laptop
Release date	1 September 2008 (16 years ago)	13 March 2015 (9 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 cores	320	384
Core clock speed	660 MHz	954 MHz
Number of transistors	666 million	915 million
Manufacturing process technology	55 nm	28 nm
Power consumption (TDP)	110 Watt	33 Watt
Texture fill rate	10.56	30.53
Floating-point processing power	0.4224 TFLOPS	0.7327 TFLOPS
ROPs	16	8
TMUs	16	32

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 size	large	no data
Interface	PCIe 2.0 x16	PCIe 3.0 x8

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	GDDR3	DDR3
Maximum RAM amount	512 MB	2 GB
Memory bus width	256 Bit	64 Bit
Memory clock speed	850 MHz	1001 MHz
Memory bandwidth	54.4 GB/s	16.02 GB/s
Shared memory	-	no data

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

API compatibility

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

DirectX	10.1 (10_1)	12 (11_0)
Shader Model	4.1	5.1
OpenGL	3.3	4.6
OpenCL	N/A	1.2
Vulkan	N/A	1.1.126
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.

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

5−6
+25%

4−5

−25%

Full HD
Medium Preset

Assassin's Creed Odyssey	8−9 +14.3%	7−8 −14.3%
Battlefield 5	2−3 +100%	1−2 −100%
Call of Duty: Modern Warfare	6−7 +20%	5−6 −20%
Cyberpunk 2077	5−6 +25%	4−5 −25%
Far Cry 5	4−5 +33.3%	3−4 −33.3%
Far Cry New Dawn	6−7 +20%	5−6 −20%
Forza Horizon 4	10−11 +11.1%	9−10 −11.1%
Hitman 3	7−8 +16.7%	6−7 −16.7%
Horizon Zero Dawn	18−20 +5.6%	18−20 −5.6%
Metro Exodus	0−1	0−1
Red Dead Redemption 2	5−6 +25%	4−5 −25%
Shadow of the Tomb Raider	10−11 +11.1%	9−10 −11.1%
Watch Dogs: Legion	35−40 +2.9%	35−40 −2.9%

Full HD
High Preset

Assassin's Creed Odyssey	8−9 +14.3%	7−8 −14.3%
Battlefield 5	2−3 +100%	1−2 −100%
Call of Duty: Modern Warfare	6−7 +20%	5−6 −20%
Cyberpunk 2077	5−6 +25%	4−5 −25%
Far Cry 5	4−5 +33.3%	3−4 −33.3%
Far Cry New Dawn	6−7 +20%	5−6 −20%
Forza Horizon 4	10−11 +11.1%	9−10 −11.1%
Hitman 3	7−8 +16.7%	6−7 −16.7%
Horizon Zero Dawn	18−20 +5.6%	18−20 −5.6%
Metro Exodus	0−1	0−1
Red Dead Redemption 2	5−6 +25%	4−5 −25%
Shadow of the Tomb Raider	10−11 +11.1%	9−10 −11.1%
The Witcher 3: Wild Hunt	12−14 +8.3%	12−14 −8.3%
Watch Dogs: Legion	35−40 +2.9%	35−40 −2.9%

Full HD
Ultra Preset

Assassin's Creed Odyssey	8−9 +14.3%	7−8 −14.3%
Call of Duty: Modern Warfare	6−7 +20%	5−6 −20%
Cyberpunk 2077	5−6 +25%	4−5 −25%
Far Cry 5	4−5 +33.3%	3−4 −33.3%
Forza Horizon 4	10−11 +11.1%	9−10 −11.1%
Hitman 3	7−8 +16.7%	6−7 −16.7%
Horizon Zero Dawn	18−20 +5.6%	18−20 −5.6%
Shadow of the Tomb Raider	10−11 +11.1%	9−10 −11.1%
The Witcher 3: Wild Hunt	12−14 +8.3%	12−14 −8.3%
Watch Dogs: Legion	35−40 +2.9%	35−40 −2.9%

Full HD
Epic Preset

Red Dead Redemption 2

5−6
+25%

4−5

−25%

1440p
High Preset

Battlefield 5	3−4 +50%	2−3 −50%
Far Cry New Dawn	3−4 +50%	2−3 −50%

1440p
Ultra Preset

Assassin's Creed Odyssey	2−3 +100%	1−2 −100%
Call of Duty: Modern Warfare	1−2	0−1
Cyberpunk 2077	1−2	0−1
Far Cry 5	2−3 +100%	1−2 −100%
Hitman 3	7−8 +16.7%	6−7 −16.7%
Horizon Zero Dawn	6−7 +20%	5−6 −20%
The Witcher 3: Wild Hunt	1−2	0−1
Watch Dogs: Legion	12−14 +20%	10−11 −20%

1440p
Epic Preset

Red Dead Redemption 2

5−6
+25%

4−5

−25%

4K
High Preset

Battlefield 5	0−1	0−1
Far Cry New Dawn	1−2	0−1

4K
Ultra Preset

Assassin's Creed Odyssey	2−3 +100%	1−2 −100%
Assassin's Creed Valhalla	1−2	0−1
Call of Duty: Modern Warfare	1−2	0−1
Far Cry 5	1−2	0−1
Watch Dogs: Legion	0−1	0−1

4K
Epic Preset

Red Dead Redemption 2

3−4
+50%

2−3

−50%

Pros & cons summary

Performance score	2.21	2.17
Recency	1 September 2008	13 March 2015
Maximum RAM amount	512 MB	2 GB
Chip lithography	55 nm	28 nm
Power consumption (TDP)	110 Watt	33 Watt

ATI Mobility HD 3870 X2 has a 1.8% higher aggregate performance score.

GeForce 920A, on the other hand, has an age advantage of 6 years, a 300% higher maximum VRAM amount, a 96.4% more advanced lithography process, and 233.3% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Mobility Radeon HD 3870 X2 and GeForce 920A.

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