GeForce 920A vs ATI Mobility Radeon HD 4870

Place in the ranking	877	870
Place by popularity	not in top-100	not in top-100
Power efficiency	no data	4.54
Architecture	TeraScale (2005−2013)	Kepler 2.0 (2013−2015)
GPU code name	M98	GK208B
Market segment	Laptop	Laptop
Release date	9 January 2009 (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	800	384
Core clock speed	550 MHz	954 MHz
Number of transistors	956 million	915 million
Manufacturing process technology	55 nm	28 nm
Power consumption (TDP)	no data	33 Watt
Texture fill rate	22.00	30.53
Floating-point processing power	0.88 TFLOPS	0.7327 TFLOPS
ROPs	16	8
TMUs	40	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	888 MHz	1001 MHz
Memory bandwidth	56.83 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 and SDK 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	1.1	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.

Average FPS across all PC games

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

Full HD

26
+8.3%

24−27

−8.3%

FPS performance in popular games

Full HD
Low Preset

Counter-Strike 2	7−8 +0%	7−8 +0%
Cyberpunk 2077	6−7 +0%	6−7 +0%

Full HD
Medium Preset

Battlefield 5	4−5 +0%	4−5 +0%
Counter-Strike 2	7−8 +0%	7−8 +0%
Cyberpunk 2077	6−7 +0%	6−7 +0%
Forza Horizon 4	10−11 +0%	10−11 +0%
Forza Horizon 5	0−1	0−1
Metro Exodus	3−4 +0%	3−4 +0%
Red Dead Redemption 2	9−10 +0%	9−10 +0%

Full HD
High Preset

Battlefield 5	4−5 +0%	4−5 +0%
Counter-Strike 2	7−8 +0%	7−8 +0%
Cyberpunk 2077	6−7 +0%	6−7 +0%
Dota 2	4−5 +0%	4−5 +0%
Far Cry 5	14−16 +0%	14−16 +0%
Fortnite	10−12 +10%	10−11 −10%
Forza Horizon 4	10−11 +0%	10−11 +0%
Forza Horizon 5	0−1	0−1
Grand Theft Auto V	4−5 +0%	4−5 +0%
Metro Exodus	3−4 +0%	3−4 +0%
PLAYERUNKNOWN'S BATTLEGROUNDS	21−24 +0%	21−24 +0%
Red Dead Redemption 2	9−10 +0%	9−10 +0%
The Witcher 3: Wild Hunt	9−10 +0%	9−10 +0%
World of Tanks	40−45 +2.5%	40−45 −2.5%

Full HD
Ultra Preset

Battlefield 5	4−5 +0%	4−5 +0%
Counter-Strike 2	7−8 +0%	7−8 +0%
Cyberpunk 2077	6−7 +0%	6−7 +0%
Dota 2	4−5 +0%	4−5 +0%
Far Cry 5	14−16 +0%	14−16 +0%
Forza Horizon 4	10−11 +0%	10−11 +0%
Forza Horizon 5	0−1	0−1
PLAYERUNKNOWN'S BATTLEGROUNDS	21−24 +0%	21−24 +0%

1440p
High Preset

Dota 2	0−1	0−1
Grand Theft Auto V	0−1	0−1
PLAYERUNKNOWN'S BATTLEGROUNDS	14−16 +0%	14−16 +0%
Red Dead Redemption 2	1−2 +0%	1−2 +0%
World of Tanks	14−16 +0%	14−16 +0%

1440p
Ultra Preset

Battlefield 5	1−2 +0%	1−2 +0%
Cyberpunk 2077	4−5 +0%	4−5 +0%
Far Cry 5	6−7 +0%	6−7 +0%
Forza Horizon 5	2−3 +0%	2−3 +0%
The Witcher 3: Wild Hunt	5−6 +0%	5−6 +0%
Valorant	8−9 +0%	8−9 +0%

4K
High Preset

Dota 2	16−18 +0%	16−18 +0%
Grand Theft Auto V	14−16 +7.1%	14−16 −7.1%
PLAYERUNKNOWN'S BATTLEGROUNDS	6−7 +0%	6−7 +0%
Red Dead Redemption 2	1−2 +0%	1−2 +0%
The Witcher 3: Wild Hunt	14−16 +7.1%	14−16 −7.1%

4K
Ultra Preset

Battlefield 5	2−3 +0%	2−3 +0%
Cyberpunk 2077	2−3 +0%	2−3 +0%
Dota 2	16−18 +0%	16−18 +0%
Far Cry 5	2−3 +0%	2−3 +0%
Fortnite	0−1	0−1
Forza Horizon 5	0−1	0−1
Valorant	2−3 +0%	2−3 +0%

This is how ATI Mobility HD 4870 and GeForce 920A compete in popular games:

ATI Mobility HD 4870 is 8% faster in 1080p

Pros & cons summary

Performance score	2.08	2.11
Recency	9 January 2009	13 March 2015
Maximum RAM amount	512 MB	2 GB
Chip lithography	55 nm	28 nm

GeForce 920A has a 1.4% higher aggregate performance score, an age advantage of 6 years, a 300% higher maximum VRAM amount, and a 96.4% more advanced lithography process.

Given the minimal performance differences, no clear winner can be declared between Mobility Radeon HD 4870 and GeForce 920A.

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