GeForce RTX 5090 vs ATI Mobility Radeon HD 3870 X2

Place in the ranking	865	1
Place by popularity	not in top-100	59
Cost-effectiveness evaluation	no data	11.13
Power efficiency	1.42	12.38
Architecture	TeraScale (2005−2013)	Blackwell 2.0 (2025)
GPU code name	M88	GB202
Market segment	Laptop	Desktop
Release date	1 September 2008 (16 years ago)	30 January 2025 (recently)
Launch price (MSRP)	no data	$1,999

Cost-effectiveness evaluation

The higher the performance-to-price ratio, the better. We use the manufacturer's recommended prices for comparison.

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 cores	320	21760
Core clock speed	660 MHz	2017 MHz
Boost clock speed	no data	2407 MHz
Number of transistors	666 million	92,200 million
Manufacturing process technology	55 nm	5 nm
Power consumption (TDP)	110 Watt	575 Watt
Texture fill rate	10.56	1,637
Floating-point processing power	0.4224 TFLOPS	104.8 TFLOPS
ROPs	16	176
TMUs	16	680
Tensor Cores	no data	680
Ray Tracing Cores	no data	170

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 5.0 x16
Length	no data	304 mm
Width	no data	2-slot
Supplementary power connectors	no data	1x 16-pin

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	GDDR7
Maximum RAM amount	512 MB	32 GB
Memory bus width	256 Bit	512 Bit
Memory clock speed	850 MHz	1750 MHz
Memory bandwidth	54.4 GB/s	1.79 TB/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	1x HDMI 2.1b, 3x DisplayPort 2.1b
HDMI	-	+

API and SDK compatibility

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

DirectX	10.1 (10_1)	12 Ultimate (12_2)
Shader Model	4.1	6.8
OpenGL	3.3	4.6
OpenCL	N/A	3.0
Vulkan	N/A	1.4
CUDA	-	10.1
DLSS	-	+

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	4−5 −5075%	207 +5075%
1440p	4−5 −4500%	184 +4500%
4K	3−4 −4600%	141 +4600%

Cost per frame, $

1080p	no data	9.66
1440p	no data	10.86
4K	no data	14.18

FPS performance in popular games

Full HD
Low Preset

Counter-Strike 2	8−9 −2575%	210−220 +2575%
Cyberpunk 2077	6−7 −4400%	270−280 +4400%

Full HD
Medium Preset

Battlefield 5	5−6 −2240%	110−120 +2240%
Counter-Strike 2	8−9 −2575%	210−220 +2575%
Cyberpunk 2077	6−7 −4400%	270−280 +4400%
Forza Horizon 4	10−11 −4400%	450−500 +4400%
Forza Horizon 5	0−1	300−350
Metro Exodus	3−4 −6500%	190−200 +6500%
Red Dead Redemption 2	9−10 −1633%	150−160 +1633%

Full HD
High Preset

Battlefield 5	5−6 −2240%	110−120 +2240%
Counter-Strike 2	8−9 −2575%	210−220 +2575%
Cyberpunk 2077	6−7 −4400%	270−280 +4400%
Dota 2	5−6 −3400%	170−180 +3400%
Far Cry 5	14−16 −1036%	159 +1036%
Fortnite	12−14 −2467%	300−350 +2467%
Forza Horizon 4	10−11 −4400%	450−500 +4400%
Forza Horizon 5	0−1	300−350
Grand Theft Auto V	5−6 −4300%	220−230 +4300%
Metro Exodus	3−4 −6500%	190−200 +6500%
PLAYERUNKNOWN'S BATTLEGROUNDS	21−24 −877%	210−220 +877%
Red Dead Redemption 2	9−10 −1633%	150−160 +1633%
The Witcher 3: Wild Hunt	9−10 −1833%	170−180 +1833%
World of Tanks	40−45 −564%	270−280 +564%

Full HD
Ultra Preset

Battlefield 5	5−6 −2240%	110−120 +2240%
Counter-Strike 2	8−9 −2425%	202 +2425%
Cyberpunk 2077	6−7 −4400%	270−280 +4400%
Dota 2	5−6 −4300%	220−230 +4300%
Far Cry 5	14−16 −1379%	200−210 +1379%
Forza Horizon 4	10−11 −4400%	450−500 +4400%
Forza Horizon 5	0−1	300−350
PLAYERUNKNOWN'S BATTLEGROUNDS	21−24 −877%	210−220 +877%

1440p
High Preset

Dota 2	0−1	160−170
Grand Theft Auto V	1−2 −4400%	45−50 +4400%
PLAYERUNKNOWN'S BATTLEGROUNDS	14−16 −4233%	650−700 +4233%
Red Dead Redemption 2	1−2 −9200%	90−95 +9200%
World of Tanks	14−16 −3340%	500−550 +3340%

1440p
Ultra Preset

Battlefield 5	1−2 −8600%	85−90 +8600%
Cyberpunk 2077	4−5 −4400%	180−190 +4400%
Far Cry 5	6−7 −2567%	160−170 +2567%
Forza Horizon 5	2−3 −11850%	230−240 +11850%
The Witcher 3: Wild Hunt	5−6 −4300%	220−230 +4300%
Valorant	8−9 −7050%	550−600 +7050%

4K
High Preset

Dota 2	16−18 −1069%	180−190 +1069%
Grand Theft Auto V	14−16 −4233%	650−700 +4233%
PLAYERUNKNOWN'S BATTLEGROUNDS	6−7 −3383%	200−210 +3383%
Red Dead Redemption 2	1−2 −6300%	60−65 +6300%
The Witcher 3: Wild Hunt	14−16 −4233%	650−700 +4233%

4K
Ultra Preset

Battlefield 5	2−3 −4450%	90−95 +4450%
Cyberpunk 2077	2−3 −4400%	90−95 +4400%
Dota 2	16−18 −4275%	700−750 +4275%
Far Cry 5	2−3 −5150%	100−110 +5150%
Fortnite	1−2 −9500%	95−100 +9500%
Forza Horizon 5	0−1	160−170
Valorant	2−3 −18100%	350−400 +18100%

Full HD
Medium Preset

Valorant

800−850

+0%

800−850

+0%

Full HD
High Preset

Valorant

800−850

+0%

800−850

+0%

Full HD
Ultra Preset

Valorant

800−850

+0%

800−850

+0%

1440p
High Preset

Counter-Strike 2

183

+0%

183

+0%

1440p
Ultra Preset

Metro Exodus

160−170

+0%

160−170

+0%

4K
High Preset

Counter-Strike 2	174 +0%	174 +0%
Metro Exodus	167 +0%	167 +0%

4K
Ultra Preset

Counter-Strike 2

+0%

This is how ATI Mobility HD 3870 X2 and RTX 5090 compete in popular games:

RTX 5090 is 5075% faster in 1080p
RTX 5090 is 4500% faster in 1440p
RTX 5090 is 4600% faster in 4K

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

in Valorant, with 4K resolution and the Ultra Preset, the RTX 5090 is 18100% faster.

All in all, in popular games:

RTX 5090 is ahead in 32 tests (80%)
there's a draw in 8 tests (20%)

Pros & cons summary

Performance score	2.19	100.00
Recency	1 September 2008	30 January 2025
Maximum RAM amount	512 MB	32 GB
Chip lithography	55 nm	5 nm
Power consumption (TDP)	110 Watt	575 Watt

ATI Mobility HD 3870 X2 has 422.7% lower power consumption.

RTX 5090, on the other hand, has a 4466.2% higher aggregate performance score, an age advantage of 16 years, a 6300% higher maximum VRAM amount, and a 1000% more advanced lithography process.

The GeForce RTX 5090 is our recommended choice as it beats the Mobility Radeon HD 3870 X2 in performance tests.

Be aware that Mobility Radeon HD 3870 X2 is a notebook card while GeForce RTX 5090 is a desktop one.

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