Radeon HD 6990M vs Radeon RX 460
When choosing between Radeon HD 6990M and Radeon RX 460, 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 Radeon HD 6990M and Radeon RX 460.
Radeon HD 6990M is a Laptop Graphics Card
Note: Radeon HD 6990M is only used in laptop graphics. It has 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 Radeon HD 6990M here:
Main Specs
Radeon HD 6990M
Radeon RX 460
Power consumption (TDP)
100 Watt
75 Watt
Interface
MXM-B (3.0)
PCIe 3.0 x8
Supplementary power connectors
None
None
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
4 GB
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x DisplayPort
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Radeon HD 6990M has 33% more power consumption, than Radeon RX 460.
Radeon HD 6990M is connected by MXM-B (3.0), and Radeon RX 460 uses PCIe 3.0 x8 interface.
Radeon RX 460 has 2 GB more memory, than Radeon HD 6990M.
Radeon HD 6990M is used in Laptops, and Radeon RX 460 - in Desktops.
Radeon HD 6990M is build with Terascale 2 architecture, and Radeon RX 460 - with Polaris.
Core clock speed of Radeon RX 460 is 375 MHz higher, than Radeon HD 6990M.
Radeon HD 6990M is manufactured by 40 nm process technology, and Radeon RX 460 - by 14 nm process technology.
Memory clock speed of Radeon RX 460 is 6100 MHz higher, than Radeon HD 6990M.
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
14−16
21−24
ultra / 1080p
8−9
12−14
QHD / 1440p
3−4
7−8
4K / 2160p
−
5−6
low / 720p
30−33
40−45
medium / 1080p
16−18
24−27
The average gaming FPS of Radeon RX 460 in Assassin's Creed Odyssey is 46% more, than Radeon HD 6990M.
high / 1080p
21−24
30−35
ultra / 1080p
18−20
27−30
QHD / 1440p
6−7
12−14
4K / 2160p
5−6
8−9
low / 720p
45−50
70−75
medium / 1080p
24−27
35−40
The average gaming FPS of Radeon RX 460 in Battlefield 5 is 52% more, than Radeon HD 6990M.
low / 768p
45−50
50−55
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon RX 460 in Call of Duty: Warzone is 10% more, than Radeon HD 6990M.
low / 768p
200−210
230−240
medium / 768p
170−180
200−210
ultra / 1080p
90−95
120−130
QHD / 1440p
50−55
95−100
4K / 2160p
30−33
50−55
high / 768p
130−140
170−180
The average gaming FPS of Radeon RX 460 in Counter-Strike: Global Offensive is 28% more, than Radeon HD 6990M.
low / 768p
55−60
60−65
ultra / 1080p
35−40
50−55
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon RX 460 in Cyberpunk 2077 is 21% more, than Radeon HD 6990M.
low / 768p
100−110
120−130
medium / 768p
90−95
100−110
ultra / 1080p
60−65
80−85
The average gaming FPS of Radeon RX 460 in Dota 2 is 20% more, than Radeon HD 6990M.
high / 1080p
16−18
24−27
ultra / 1080p
14−16
24−27
QHD / 1440p
−
20−22
4K / 2160p
6−7
8−9
low / 720p
35−40
50−55
medium / 1080p
18−20
27−30
The average gaming FPS of Radeon RX 460 in Far Cry 5 is 47% more, than Radeon HD 6990M.
high / 1080p
24−27
30−35
ultra / 1080p
18−20
24−27
QHD / 1440p
16−18
16−18
low / 720p
95−100
120−130
medium / 1080p
50−55
70−75
The average gaming FPS of Radeon RX 460 in Fortnite is 28% more, than Radeon HD 6990M.
high / 1080p
24−27
35−40
ultra / 1080p
18−20
27−30
QHD / 1440p
8−9
14−16
4K / 2160p
−
12−14
low / 720p
50−55
70−75
medium / 1080p
27−30
40−45
The average gaming FPS of Radeon RX 460 in Forza Horizon 4 is 50% more, than Radeon HD 6990M.
low / 768p
80−85
100−110
medium / 768p
70−75
95−100
high / 1080p
27−30
40−45
ultra / 1080p
10−12
16−18
QHD / 1440p
2−3
7−8
The average gaming FPS of Radeon RX 460 in Grand Theft Auto V is 35% more, than Radeon HD 6990M.
high / 1080p
9−10
12−14
ultra / 1080p
7−8
10−11
QHD / 1440p
−
10−11
4K / 2160p
2−3
3−4
low / 720p
27−30
40−45
medium / 1080p
12−14
18−20
The average gaming FPS of Radeon RX 460 in Metro Exodus is 41% more, than Radeon HD 6990M.
low / 768p
110−120
120−130
ultra / 1080p
100−110
−
medium / 1080p
100−110
110−120
The average gaming FPS of Radeon RX 460 in Minecraft is 9% more, than Radeon HD 6990M.
high / 1080p
21−24
−
ultra / 1080p
16−18
14−16
low / 720p
55−60
70−75
medium / 1080p
24−27
18−20
The average gaming FPS of Radeon RX 460 in PLAYERUNKNOWN'S BATTLEGROUNDS is 6% more, than Radeon HD 6990M.
high / 1080p
14−16
16−18
ultra / 1080p
9−10
10−11
QHD / 1440p
0−1
2−3
4K / 2160p
−
1−2
low / 720p
27−30
40−45
medium / 1080p
16−18
21−24
The average gaming FPS of Radeon RX 460 in Red Dead Redemption 2 is 35% more, than Radeon HD 6990M.
low / 768p
50−55
75−80
medium / 768p
30−35
45−50
high / 1080p
18−20
24−27
ultra / 1080p
10−11
14−16
4K / 2160p
8−9
8−9
The average gaming FPS of Radeon RX 460 in The Witcher 3: Wild Hunt is 41% more, than Radeon HD 6990M.
low / 768p
100−105
90−95
medium / 768p
60−65
60−65
ultra / 1080p
30−35
40−45
high / 768p
50−55
55−60
The average gaming FPS of Radeon RX 460 in World of Tanks is 1% more, than Radeon HD 6990M.
Full Specs
Radeon HD 6990M
Radeon RX 460
Architecture
Terascale 2
Polaris
Code name
Blackcomb XTX
Polaris 11 / Baffin XT
Type
Laptop
Desktop
Release date
12 July 2011
8 August 2016
Pipelines
1120
896
Core clock speed
715 MHz
1090 MHz
Boost Clock
1200 MHz
Transistor count
1,700 million
3,000 million
Manufacturing process technology
40 nm
14 nm
Texture fill rate
40.04
67.20
Floating-point performance
1,601.6 gflops
2,150 gflops
Length
170 mm
Memory bus width
256 Bit
128 Bit
Memory clock speed
900 MHz
7000 MHz
Memory bandwidth
115.2 GB/s
112.0 GB/s
Shared memory
-
-
DirectX
11.2 (11_0)
12 (12_0)
Shader Model
5.0
6.4
OpenGL
4.4
4.6
OpenCL
1.2
2.0
Vulkan
N/A
1.2.131
FreeSync
+
Bitcoin / BTC (SHA256)
240 Mh/s
Laptop size
large
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