Radeon HD 6870 vs Radeon HD 6990

If you are going to buy a new graphics card and are choosing between Radeon HD 6870 and Radeon HD 6990, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Radeon HD 6870 stacks up against Radeon HD 6990, check out specs charts below.

Radeon HD 6870 Check Price

Radeon HD 6990 Check Price

Main Specs

	Radeon HD 6870	Radeon HD 6990
Power consumption (TDP)	151 Watt	375 Watt
Interface	PCIe 2.0 x16	PCIe 2.0 x16
Supplementary power connectors	2x 6-pin	2x 8-pin
Memory type	GDDR5	GDDR5
Maximum RAM amount	1 GB	2 GB
Display Connectors	2x DVI, 1x HDMI, 2x mini-DisplayPort	1x DVI, 4x mini-DisplayPort
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Radeon HD 6990 has 148% more power consumption, than Radeon HD 6870.
Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
Radeon HD 6990 has 1 GB more memory, than Radeon HD 6870.
Both cards are used in Desktops.
Radeon HD 6870 is build with Terascale 2 architecture, and Radeon HD 6990 - with TeraScale 3.
Radeon HD 6870 and Radeon HD 6990 are manufactured by 40 nm process technology.
Radeon HD 6990 is 75 mm longer, than Radeon HD 6870.
Memory clock speed of Radeon HD 6990 is 3950 MHz higher, than Radeon HD 6870.

Game benchmarks


high / 1080p	10−12	14−16
ultra / 1080p	6−7	9−10
QHD / 1440p	1−2	3−4
low / 720p	24−27	30−35
medium / 1080p	12−14	18−20
The average gaming FPS of Radeon HD 6990 in Assassin's Creed Odyssey is 36% more, than Radeon HD 6870.
high / 1080p	18−20	24−27
ultra / 1080p	14−16	21−24
QHD / 1440p	1−2	7−8
4K / 2160p	−	5−6
low / 720p	35−40	50−55
medium / 1080p	20−22	27−30
The average gaming FPS of Radeon HD 6990 in Battlefield 5 is 50% more, than Radeon HD 6870.
low / 768p	45−50	45−50
QHD / 1440p	0−1	0−1
Radeon HD 6870 and Radeon HD 6990 have the same average FPS in Call of Duty: Warzone.
low / 768p	180−190	210−220
medium / 768p	140−150	170−180
ultra / 1080p	75−80	95−100
QHD / 1440p	40−45	50−55
4K / 2160p	30−33	30−33
high / 768p	110−120	140−150
The average gaming FPS of Radeon HD 6990 in Counter-Strike: Global Offensive is 20% more, than Radeon HD 6870.
low / 768p	55−60	55−60
ultra / 1080p	30−33	40−45
medium / 1080p	45−50	45−50
The average gaming FPS of Radeon HD 6990 in Cyberpunk 2077 is 8% more, than Radeon HD 6870.
low / 768p	95−100	110−120
medium / 768p	75−80	90−95
ultra / 1080p	50−55	60−65
The average gaming FPS of Radeon HD 6990 in Dota 2 is 20% more, than Radeon HD 6870.
high / 1080p	12−14	18−20
ultra / 1080p	12−14	16−18
4K / 2160p	5−6	6−7
low / 720p	27−30	35−40
medium / 1080p	14−16	18−20
The average gaming FPS of Radeon HD 6990 in Far Cry 5 is 26% more, than Radeon HD 6870.
high / 1080p	20−22	24−27
ultra / 1080p	14−16	18−20
QHD / 1440p	−	16−18
low / 720p	80−85	95−100
medium / 1080p	35−40	50−55
The average gaming FPS of Radeon HD 6990 in Fortnite is 23% more, than Radeon HD 6870.
high / 1080p	18−20	24−27
ultra / 1080p	14−16	20−22
QHD / 1440p	5−6	9−10
low / 720p	40−45	50−55
medium / 1080p	21−24	27−30
The average gaming FPS of Radeon HD 6990 in Forza Horizon 4 is 35% more, than Radeon HD 6870.
low / 768p	70−75	85−90
medium / 768p	60−65	75−80
high / 1080p	21−24	30−33
ultra / 1080p	9−10	12−14
QHD / 1440p	0−1	3−4
The average gaming FPS of Radeon HD 6990 in Grand Theft Auto V is 26% more, than Radeon HD 6870.
high / 1080p	7−8	9−10
ultra / 1080p	5−6	7−8
4K / 2160p	1−2	2−3
low / 720p	21−24	27−30
medium / 1080p	9−10	12−14
The average gaming FPS of Radeon HD 6990 in Metro Exodus is 33% more, than Radeon HD 6870.
low / 768p	100−110	110−120
ultra / 1080p	90−95	100−110
medium / 1080p	100−105	100−110
The average gaming FPS of Radeon HD 6990 in Minecraft is 8% more, than Radeon HD 6870.
high / 1080p	18−20	21−24
ultra / 1080p	16−18	18−20
low / 720p	45−50	55−60
medium / 1080p	21−24	24−27
The average gaming FPS of Radeon HD 6990 in PLAYERUNKNOWN'S BATTLEGROUNDS is 19% more, than Radeon HD 6870.
high / 1080p	12−14	14−16
ultra / 1080p	8−9	9−10
QHD / 1440p	0−1	0−1
low / 720p	20−22	27−30
medium / 1080p	12−14	16−18
The average gaming FPS of Radeon HD 6990 in Red Dead Redemption 2 is 30% more, than Radeon HD 6870.
low / 768p	40−45	55−60
medium / 768p	24−27	30−35
high / 1080p	14−16	18−20
ultra / 1080p	8−9	10−12
4K / 2160p	7−8	8−9
The average gaming FPS of Radeon HD 6990 in The Witcher 3: Wild Hunt is 31% more, than Radeon HD 6870.
low / 768p	95−100	100−110
medium / 768p	55−60	60−65
ultra / 1080p	27−30	35−40
high / 768p	45−50	50−55
The average gaming FPS of Radeon HD 6990 in World of Tanks is 12% more, than Radeon HD 6870.

Full Specs

	Radeon HD 6870	Radeon HD 6990
Architecture	Terascale 2	TeraScale 3
Code name	RV940 Barts	Antilles
Type	Desktop	Desktop
Release date	22 October 2010	8 March 2011
Pipelines	1120	1536
Core clock speed		830 MHz
Boost Clock	900 MHz
Transistor count	1,700 million	2,640 million
Manufacturing process technology	40 nm	40 nm
Texture fill rate	50.40	79.68
Floating-point performance	2,016.0 gflops	2x 2,549.8 gflops
Length	220 mm	295 mm
Memory bus width	256 Bit	256 Bit
Memory clock speed	1050 MHz	5000 MHz
Memory bandwidth	134.4 GB/s	160.0 GB/s
Shared memory	-
DirectX		11.2 (11_0)
Shader Model	5.0	5.0
OpenGL	4.4	4.4
OpenCL	1.2	1.2
Vulkan		N/A
Bus support	PCIe 2.0 x16
HDMI	+
Bitcoin / BTC (SHA256)	213 Mh/s	265 Mh/s
Eyefinity	+
Design	reference
CrossFire	+
Ethereum / ETH (DaggerHashimoto)		24 Mh/s
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Radeon HD 6870 vs Radeon HD 6990

Main Specs

Game benchmarks

Full Specs

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