Radeon HD 6850M vs GeForce 840M

Place in performance ranking	758	860
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.14	0.13
Architecture	Maxwell (2014−2018)	Terascale 2 (2009−2015)
GPU code name	N15S-GT	Granville Pro/LP
Market segment	Laptop	Laptop
Release date	12 March 2014 (10 years ago)	6 January 2011 (13 years ago)
Current price	$743	$338

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

GeForce 840M has 8% better value for money than HD 6850M.

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	800
Core clock speed	1029 MHz	575 / 675 MHz
Boost clock speed	1124 MHz	no data
Number of transistors	no data	1,040 million
Manufacturing process technology	28 nm	40 nm
Power consumption (TDP)	33 Watt	50 Watt
Texture fill rate	17.98	27.00
Floating-point performance	863.2 gflops	1,080.0 gflops

Form factor & compatibility

Information on GeForce 840M and Radeon HD 6850M 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 2.0, PCI Express 3.0	no data
Interface	PCIe 3.0 x8	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	DDR3, GDDR5
Maximum RAM amount	4 GB	1 GB
Memory bus width	64 Bit	128 Bit
Memory clock speed	2000 MHz	800 MHz
Memory bandwidth	16.02 GB/s	25.6 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

Supported technologies

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

GPU Boost	2.0	no data
Optimus	+	no data
GameWorks	+	no data

API compatibility

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

DirectX	12 (11_0)	11.2 (11_0)
Shader Model	5.1	5.0
OpenGL	4.5	4.4
OpenCL	1.2	1.2
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.

GeForce 840M 2.81
+44.1%

HD 6850M 1.95

GeForce 840M outperforms Radeon HD 6850M by 44% based on our aggregated benchmark results.

3DMark 11 Performance GPU

3DMark 11 is an obsolete DirectX 11 benchmark by Futuremark. It used four tests based on two scenes, one being few submarines exploring the submerged wreck of a sunken ship, the other is an abandoned temple deep in the jungle. All the tests are heavy with volumetric lighting and tessellation, and despite being done in 1280x720 resolution, are relatively taxing. Discontinued in January 2020, 3DMark 11 is now superseded by Time Spy.

Benchmark coverage: 17%

GeForce 840M 2340
+59.2%

HD 6850M 1470

GeForce 840M outperforms Radeon HD 6850M by 59% in 3DMark 11 Performance GPU.

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%

GeForce 840M 7191
+15.1%

HD 6850M 6246

GeForce 840M outperforms Radeon HD 6850M by 15% 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	45 +125%	20 −125%
Full HD	17 −41.2%	24 +41.2%

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	4−5 +100%	2−3 −100%
Battlefield 5	4−5 +300%	1−2 −300%
Call of Duty: Modern Warfare	6−7 +50%	4−5 −50%
Cyberpunk 2077	5−6 +25%	4−5 −25%
Far Cry 5	10−12 +37.5%	8−9 −37.5%
Far Cry New Dawn	5−6 +150%	2−3 −150%
Forza Horizon 4	10−11 +42.9%	7−8 −42.9%
Hitman 3	7−8 +40%	5−6 −40%
Horizon Zero Dawn	16−18 +14.3%	14−16 −14.3%
Metro Exodus	2−3 +100%	1−2 −100%
Red Dead Redemption 2	7−8 +75%	4−5 −75%
Shadow of the Tomb Raider	12−14 +9.1%	10−12 −9.1%
Watch Dogs: Legion	2−3 +100%	1−2 −100%

Full HD
High Preset

Assassin's Creed Odyssey	4−5 +100%	2−3 −100%
Battlefield 5	4−5 +300%	1−2 −300%
Call of Duty: Modern Warfare	6−7 +50%	4−5 −50%
Cyberpunk 2077	5−6 +25%	4−5 −25%
Far Cry 5	10−12 +37.5%	8−9 −37.5%
Far Cry New Dawn	5−6 +150%	2−3 −150%
Forza Horizon 4	10−11 +42.9%	7−8 −42.9%
Hitman 3	7−8 +40%	5−6 −40%
Horizon Zero Dawn	16−18 +14.3%	14−16 −14.3%
Metro Exodus	2−3 +100%	1−2 −100%
Red Dead Redemption 2	7−8 +75%	4−5 −75%
Shadow of the Tomb Raider	12−14 +9.1%	10−12 −9.1%
The Witcher 3: Wild Hunt	9 +80%	5−6 −80%
Watch Dogs: Legion	2−3 +100%	1−2 −100%

Full HD
Ultra Preset

Assassin's Creed Odyssey	4−5 +100%	2−3 −100%
Call of Duty: Modern Warfare	6−7 +50%	4−5 −50%
Cyberpunk 2077	5−6 +25%	4−5 −25%
Far Cry 5	10−12 +37.5%	8−9 −37.5%
Forza Horizon 4	10−11 +42.9%	7−8 −42.9%
Horizon Zero Dawn	16−18 +14.3%	14−16 −14.3%
Metro Exodus	2−3 +100%	1−2 −100%
The Witcher 3: Wild Hunt	6 +20%	5−6 −20%
Watch Dogs: Legion	2−3 +100%	1−2 −100%

Full HD
Epic Preset

Red Dead Redemption 2

7−8
+75%

4−5

−75%

1440p
High Preset

Battlefield 5	5−6 +66.7%	3−4 −66.7%
Far Cry New Dawn	3−4 +50%	2−3 −50%
Red Dead Redemption 2	1−2	0−1

1440p
Ultra Preset

Assassin's Creed Odyssey	0−1	0−1
Call of Duty: Modern Warfare	5−6 +0%	5−6 +0%
Cyberpunk 2077	1−2 +0%	1−2 +0%
Far Cry 5	4−5 +33.3%	3−4 −33.3%
Forza Horizon 4	4−5 +100%	2−3 −100%
Horizon Zero Dawn	7−8 +16.7%	6−7 −16.7%
The Witcher 3: Wild Hunt	2−3 +0%	2−3 +0%
Watch Dogs: Legion	1−2	0−1

4K
High Preset

Far Cry 5	9−10 +28.6%	7−8 −28.6%
Horizon Zero Dawn	3−4 +50%	2−3 −50%

4K
Ultra Preset

Assassin's Creed Odyssey	1−2 +0%	1−2 +0%
Assassin's Creed Valhalla	1−2	0−1
Call of Duty: Modern Warfare	1−2	0−1
Forza Horizon 4	0−1	0−1
Horizon Zero Dawn	3−4 +50%	2−3 −50%
Metro Exodus	5−6 +25%	4−5 −25%
Watch Dogs: Legion	0−1	0−1

4K
Epic Preset

Red Dead Redemption 2

4−5
+33.3%

3−4

−33.3%

This is how GeForce 840M and HD 6850M compete in popular games:

GeForce 840M is 125% faster in 900p
HD 6850M is 41% faster in 1080p

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

in Battlefield 5, with 1080p resolution and the Medium Preset, the GeForce 840M is 300% faster than the HD 6850M.

All in all, in popular games:

GeForce 840M is ahead in 45 tests (92%)
there's a draw in 4 tests (8%)

Pros & cons summary

Performance score	2.81	1.95
Recency	12 March 2014	6 January 2011
Maximum RAM amount	4 GB	1 GB
Chip lithography	28 nm	40 nm
Power consumption (TDP)	33 Watt	50 Watt