GeForce 845M vs Radeon HD 6990M Crossfire
When choosing between GeForce 845M and Radeon HD 6990M Crossfire, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce 845M and Radeon HD 6990M Crossfire.
GeForce 845M and Radeon HD 6990M Crossfire are Laptop Graphics Cards
Note: GeForce 845M and Radeon HD 6990M Crossfire are only used in laptop graphics. They have lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with GeForce 845M or Radeon HD 6990M Crossfire here:
Main Specs
GeForce 845M
Radeon HD 6990M Crossfire
Power consumption (TDP)
45 Watt
Interface
PCIe 3.0 x8
Memory type
DDR3, GDDR5
GDDR5
Maximum RAM amount
2 GB
2x2 GB
Display Connectors
No outputs
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GeForce 845M and Radeon HD 6990M Crossfire have maximum RAM of 2 GB.
Both cards are used in Laptops.
GeForce 845M is build with Maxwell architecture, and Radeon HD 6990M Crossfire - with Terascale 2.
Core clock speed of GeForce 845M is 356 MHz higher, than Radeon HD 6990M Crossfire.
GeForce 845M is manufactured by 28 nm process technology, and Radeon HD 6990M Crossfire - by 40 nm process technology.
Memory clock speed of GeForce 845M is 1100 MHz higher, than Radeon HD 6990M Crossfire.
Game benchmarks
Assassin's Creed Odyssey
Battlefield 5
Call of Duty: Warzone
Counter-Strike: Global Offensive
Cyberpunk 2077
Dota 2
Far Cry 5
Fortnite
Forza Horizon 4
Grand Theft Auto V
Metro Exodus
Minecraft
PLAYERUNKNOWN'S BATTLEGROUNDS
Red Dead Redemption 2
The Witcher 3: Wild Hunt
World of Tanks
high / 1080p
3−4
35−40
ultra / 1080p
1−2
21−24
QHD / 1440p
0−1
16−18
4K / 2160p
−
10−11
low / 720p
14−16
60−65
medium / 1080p
6−7
40−45
The average gaming FPS of Radeon HD 6990M Crossfire in Assassin's Creed Odyssey is 583% more, than GeForce 845M.
high / 1080p
10−11
55−60
ultra / 1080p
7−8
45−50
QHD / 1440p
0−1
35−40
4K / 2160p
−
18−20
low / 720p
21−24
100−110
medium / 1080p
10−11
60−65
The average gaming FPS of Radeon HD 6990M Crossfire in Battlefield 5 is 466% more, than GeForce 845M.
low / 768p
45−50
50−55
high / 1080p
40−45
−
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 6990M Crossfire in Call of Duty: Warzone is 10% more, than GeForce 845M.
low / 768p
130−140
250−260
medium / 768p
100−110
220−230
ultra / 1080p
50−55
180−190
QHD / 1440p
24−27
110−120
4K / 2160p
12−14
70−75
high / 768p
75−80
210−220
The average gaming FPS of Radeon HD 6990M Crossfire in Counter-Strike: Global Offensive is 160% more, than GeForce 845M.
low / 768p
85−90
60−65
ultra / 1080p
21−24
−
medium / 1080p
45−50
55−60
The average gaming FPS of GeForce 845M in Cyberpunk 2077 is 11% more, than Radeon HD 6990M Crossfire.
low / 768p
75−80
120−130
medium / 768p
50−55
110−120
ultra / 1080p
30−33
100−110
The average gaming FPS of Radeon HD 6990M Crossfire in Dota 2 is 116% more, than GeForce 845M.
high / 1080p
4−5
45−50
ultra / 1080p
4−5
40−45
QHD / 1440p
−
27−30
4K / 2160p
2−3
14−16
low / 720p
14−16
80−85
medium / 1080p
6−7
45−50
The average gaming FPS of Radeon HD 6990M Crossfire in Far Cry 5 is 683% more, than GeForce 845M.
high / 1080p
6−7
60−65
ultra / 1080p
0−1
45−50
QHD / 1440p
0−1
27−30
4K / 2160p
−
27−30
low / 720p
55−60
180−190
medium / 1080p
16−18
110−120
The average gaming FPS of Radeon HD 6990M Crossfire in Fortnite is 344% more, than GeForce 845M.
high / 1080p
9−10
60−65
ultra / 1080p
8−9
45−50
QHD / 1440p
3−4
30−35
4K / 2160p
3−4
24−27
low / 720p
21−24
100−110
medium / 1080p
10−12
65−70
The average gaming FPS of Radeon HD 6990M Crossfire in Forza Horizon 4 is 522% more, than GeForce 845M.
low / 768p
50−55
140−150
medium / 768p
−
120−130
high / 1080p
10−11
70−75
ultra / 1080p
4−5
30−35
QHD / 1440p
−
21−24
medium / 720p
40−45
−
The average gaming FPS of Radeon HD 6990M Crossfire in Grand Theft Auto V is 277% more, than GeForce 845M.
high / 1080p
3−4
24−27
ultra / 1080p
1−2
20−22
QHD / 1440p
−
16−18
4K / 2160p
−
8−9
low / 720p
10−11
65−70
medium / 1080p
4−5
30−35
The average gaming FPS of Radeon HD 6990M Crossfire in Metro Exodus is 620% more, than GeForce 845M.
low / 768p
90−95
130−140
high / 1080p
65−70
−
medium / 1080p
90−95
120−130
The average gaming FPS of Radeon HD 6990M Crossfire in Minecraft is 41% more, than GeForce 845M.
high / 1080p
5−6
−
ultra / 1080p
1−2
14−16
4K / 2160p
0−1
−
low / 720p
27−30
100−110
medium / 1080p
9−10
18−20
The average gaming FPS of Radeon HD 6990M Crossfire in PLAYERUNKNOWN'S BATTLEGROUNDS is 253% more, than GeForce 845M.
high / 1080p
−
24−27
ultra / 1080p
−
16−18
QHD / 1440p
−
10−11
4K / 2160p
−
7−8
low / 720p
10−11
65−70
medium / 1080p
8−9
35−40
The average gaming FPS of Radeon HD 6990M Crossfire in Red Dead Redemption 2 is 477% more, than GeForce 845M.
low / 768p
20−22
130−140
medium / 768p
12−14
85−90
high / 1080p
6−7
45−50
ultra / 1080p
4−5
24−27
4K / 2160p
3−4
16−18
The average gaming FPS of Radeon HD 6990M Crossfire in The Witcher 3: Wild Hunt is 588% more, than GeForce 845M.
low / 768p
75−80
90−95
medium / 768p
40−45
60−65
ultra / 1080p
16−18
50−55
high / 768p
30−35
60−65
The average gaming FPS of Radeon HD 6990M Crossfire in World of Tanks is 59% more, than GeForce 845M.
Full Specs
GeForce 845M
Radeon HD 6990M Crossfire
Architecture
Maxwell
Terascale 2
Code name
GM108
Blackcomb XTX
Type
Laptop
Laptop
Release date
12 March 2014
12 July 2011
Pipelines
384
2240
Core clock speed
1071 MHz
715 MHz
Boost Clock
1150 MHz
Transistor count
1,870 million
2x1700 Million
Manufacturing process technology
28 nm
40 nm
Texture fill rate
37.63
Floating-point performance
883.7 gflops
Memory bus width
64/128 Bit
256 Bit
Memory clock speed
2000 - 5000 MHz
900 MHz
Memory bandwidth
40.1 GB/s
Shared memory
-
-
DirectX
12 (11_0)
DirectX 11, Shader 5.0
Shader Model
5.1
OpenGL
4.6
OpenCL
1.2
Vulkan
1.1.126
CUDA
+
Bitcoin / BTC (SHA256)
76 Mh/s
Laptop size
medium sized
large
Optimus
+
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