GeForce 840M vs Radeon R9 M395X

Place in performance ranking	357	758
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	0.14
Architecture	GCN 3 (2014−2016)	Maxwell (2014−2018)
GPU code name	Amethyst XT	N15S-GT
Market segment	Laptop	Laptop
Release date	16 October 2014 (9 years ago)	12 March 2014 (10 years ago)
Current price	no data	$743

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	2048	384
Core clock speed	723 MHz	1029 MHz
Boost clock speed	no data	1124 MHz
Number of transistors	5,000 million	no data
Manufacturing process technology	28 nm	28 nm
Power consumption (TDP)	250 Watt	33 Watt
Texture fill rate	92.54	17.98
Floating-point performance	2,961 gflops	863.2 gflops

Form factor & compatibility

Information on Radeon R9 M395X and GeForce 840M 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	large	medium sized
Bus support	PCIe 3.0	PCI Express 2.0, PCI Express 3.0
Interface	PCIe 3.0 x16	PCIe 3.0 x8
Supplementary power connectors	None	no 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 type	GDDR5	DDR3
Maximum RAM amount	4 GB	4 GB
Memory bus width	256 Bit	64 Bit
Memory clock speed	1250 MHz	2000 MHz
Memory bandwidth	160.0 GB/s	16.02 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
Eyefinity	1	no data

Supported technologies

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

AppAcceleration	-	no data
Enduro	-	no data
FreeSync	1	no data
HD3D	+	no data
PowerTune	+	no data
DualGraphics	1	no data
TrueAudio	+	no data
ZeroCore	+	no data
Switchable graphics	1	no data
GPU Boost	no data	2.0
Optimus	no data	+
GameWorks	no data	+

API compatibility

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

DirectX	DirectX® 12	12 (11_0)
Shader Model	6.3	5.1
OpenGL	4.4	4.5
OpenCL	Not Listed	1.2
Vulkan	no data	1.1.126
Mantle	+	no data
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.

R9 M395X 13.45
+377%

GeForce 840M 2.82

Radeon R9 M395X outperforms GeForce 840M by 377% based on our aggregate benchmark results.

Passmark

This is the most ubiquitous GPU benchmark, part of Passmark PerformanceTest suite. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

Benchmark coverage: 25%

R9 M395X 5194
+377%

GeForce 840M 1088

Radeon R9 M395X outperforms GeForce 840M by 377% in Passmark.

3DMark Fire Strike Graphics

Fire Strike is a DirectX 11 benchmark for gaming PCs. It features two separate tests displaying a fight between a humanoid and a fiery creature made of lava. Using 1920x1080 resolution, Fire Strike shows off some realistic graphics and is quite taxing on hardware.

Benchmark coverage: 14%

R9 M395X 7921
+404%

GeForce 840M 1573

Radeon R9 M395X outperforms GeForce 840M by 404% in 3DMark Fire Strike Graphics.

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	210−220 +367%	45 −367%
Full HD	85−90 +372%	18 −372%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

21−24

no data

Full HD
Medium Preset

Assassin's Creed Odyssey	27−30	no data
Assassin's Creed Valhalla	21−24 +450%	4−5 −450%
Battlefield 5	40−45	no data
Call of Duty: Modern Warfare	27−30	no data
Cyberpunk 2077	21−24	no data
Far Cry 5	30−35	no data
Far Cry New Dawn	35−40	no data
Forza Horizon 4	60−65	no data
Hitman 3	24−27	no data
Horizon Zero Dawn	50−55	no data
Metro Exodus	40−45 +389%	9−10 −389%
Red Dead Redemption 2	35−40	no data
Shadow of the Tomb Raider	40−45	no data
Watch Dogs: Legion	45−50	no data

Full HD
High Preset

Assassin's Creed Odyssey	27−30	no data
Assassin's Creed Valhalla	21−24 +450%	4−5 −450%
Battlefield 5	40−45	no data
Call of Duty: Modern Warfare	27−30	no data
Cyberpunk 2077	21−24	no data
Far Cry 5	30−35	no data
Far Cry New Dawn	35−40	no data
Forza Horizon 4	60−65	no data
Hitman 3	24−27	no data
Horizon Zero Dawn	50−55	no data
Metro Exodus	40−45 +389%	9−10 −389%
Red Dead Redemption 2	35−40	no data
Shadow of the Tomb Raider	40−45	no data
The Witcher 3: Wild Hunt	27−30	no data
Watch Dogs: Legion	45−50	no data

Full HD
Ultra Preset

Assassin's Creed Odyssey	27−30	no data
Assassin's Creed Valhalla	21−24 +450%	4−5 −450%
Call of Duty: Modern Warfare	27−30	no data
Cyberpunk 2077	21−24	no data
Far Cry 5	30−35	no data
Forza Horizon 4	60−65	no data
Horizon Zero Dawn	50−55	no data
Shadow of the Tomb Raider	40−45	no data
The Witcher 3: Wild Hunt	27−30	no data
Watch Dogs: Legion	45−50	no data

Full HD
Epic Preset

Red Dead Redemption 2

35−40

no data

1440p
High Preset

Battlefield 5	24−27	no data
Far Cry New Dawn	24−27	no data

1440p
Ultra Preset

Assassin's Creed Odyssey	12−14	no data
Assassin's Creed Valhalla	10−11 +400%	2−3 −400%
Call of Duty: Modern Warfare	16−18	no data
Cyberpunk 2077	7−8	no data
Far Cry 5	21−24	no data
Forza Horizon 4	24−27	no data
Hitman 3	16−18	no data
Horizon Zero Dawn	27−30	no data
Metro Exodus	21−24 +475%	4−5 −475%
Shadow of the Tomb Raider	21−24 +475%	4−5 −475%
The Witcher 3: Wild Hunt	14−16	no data
Watch Dogs: Legion	8−9	no data

1440p
Epic Preset

Red Dead Redemption 2

21−24

no data

4K
High Preset

Battlefield 5	12−14	no data
Far Cry New Dawn	10−11	no data
Hitman 3	9−10 +800%	1−2 −800%
Horizon Zero Dawn	14−16	no data
Shadow of the Tomb Raider	8−9 +700%	1−2 −700%
The Witcher 3: Wild Hunt	12−14 +500%	2−3 −500%

4K
Ultra Preset

Assassin's Creed Odyssey	8−9	no data
Assassin's Creed Valhalla	6−7	no data
Call of Duty: Modern Warfare	7−8	no data
Cyberpunk 2077	2−3	0−1
Far Cry 5	7−8	no data
Forza Horizon 4	18−20	no data
Horizon Zero Dawn	14−16	no data
Metro Exodus	12−14	no data
Watch Dogs: Legion	5−6	no data