Radeon HD 6990M Crossfire vs HD 7990
Aggregate performance score
We've compared Radeon HD 7990 with Radeon HD 6990M Crossfire, including specs and performance data.
HD 7990 outperforms HD 6990M Crossfire by a considerable 44% based on our aggregate benchmark results.
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 364 | 453 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.47 | no data |
| Power efficiency | 2.66 | no data |
| Architecture | GCN 1.0 (2011−2020) | Terascale 2 (2009−2015) |
| GPU code name | Malta | Blackcomb XTX |
| Market segment | Desktop | Laptop |
| Release date | 24 April 2013 (11 years ago) | 12 July 2011 (13 years ago) |
| Launch price (MSRP) | $999 | no data |
Cost-effectiveness evaluation
Performance to price ratio. The higher, the better.
Detailed specifications
General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 2048 | 2240 |
| Core clock speed | 950 MHz | 715 MHz |
| Boost clock speed | 1000 MHz | no data |
| Number of transistors | 4,313 million | 2x1700 Million |
| Manufacturing process technology | 28 nm | 40 nm |
| Power consumption (TDP) | 375 Watt | no data |
| Texture fill rate | 128.0 | no data |
| Floating-point processing power | 4.096 TFLOPS | no data |
| ROPs | 32 | no data |
| TMUs | 128 | no data |
Form factor & compatibility
Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).
| Laptop size | no data | large |
| Interface | PCIe 3.0 x16 | no data |
| Length | 307 mm | no data |
| Width | 2-slot | no data |
| Supplementary power connectors | 2x 8-pin | 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 | GDDR5 |
| Maximum RAM amount | 3 GB | 2x2 GB |
| Memory bus width | 384 Bit | 256 Bit |
| Memory clock speed | 1500 MHz | 900 MHz |
| Memory bandwidth | 288.0 GB/s | no data |
| 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 | 1x DVI, 4x mini-DisplayPort | no data |
API compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_1) | 11 |
| Shader Model | 5.1 | no data |
| OpenGL | 4.6 | no data |
| OpenCL | 1.2 | no data |
| Vulkan | 1.2.131 | - |
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 | 140−150
+41.4%
| 99
−41.4%
|
| Full HD | 150−160
+41.5%
| 106
−41.5%
|
Cost per frame, $
| 1080p | 6.66 | no data |
FPS performance in popular games
Full HD
Low Preset
| Counter-Strike 2 | 18−20
+0%
|
18−20
+0%
|
| Cyberpunk 2077 | 20−22
+0%
|
20−22
+0%
|
Full HD
Medium Preset
| Battlefield 5 | 30−35
+0%
|
30−35
+0%
|
| Counter-Strike 2 | 18−20
+0%
|
18−20
+0%
|
| Cyberpunk 2077 | 20−22
+0%
|
20−22
+0%
|
| Forza Horizon 4 | 40−45
+0%
|
40−45
+0%
|
| Forza Horizon 5 | 24−27
+0%
|
24−27
+0%
|
| Metro Exodus | 27−30
+0%
|
27−30
+0%
|
| Red Dead Redemption 2 | 27−30
+0%
|
27−30
+0%
|
| Valorant | 35−40
+0%
|
35−40
+0%
|
Full HD
High Preset
| Battlefield 5 | 30−35
+0%
|
30−35
+0%
|
| Counter-Strike 2 | 18−20
+0%
|
18−20
+0%
|
| Cyberpunk 2077 | 20−22
+0%
|
20−22
+0%
|
| Dota 2 | 35−40
+0%
|
35−40
+0%
|
| Far Cry 5 | 40−45
+0%
|
40−45
+0%
|
| Fortnite | 55−60
+0%
|
55−60
+0%
|
| Forza Horizon 4 | 40−45
+0%
|
40−45
+0%
|
| Forza Horizon 5 | 24−27
+0%
|
24−27
+0%
|
| Grand Theft Auto V | 35−40
+0%
|
35−40
+0%
|
| Metro Exodus | 27−30
+0%
|
27−30
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 75−80
+0%
|
75−80
+0%
|
| Red Dead Redemption 2 | 27−30
+0%
|
27−30
+0%
|
| The Witcher 3: Wild Hunt | 30−33
+0%
|
30−33
+0%
|
| Valorant | 35−40
+0%
|
35−40
+0%
|
| World of Tanks | 140−150
+0%
|
140−150
+0%
|
Full HD
Ultra Preset
| Battlefield 5 | 30−35
+0%
|
30−35
+0%
|
| Counter-Strike 2 | 18−20
+0%
|
18−20
+0%
|
| Cyberpunk 2077 | 20−22
+0%
|
20−22
+0%
|
| Dota 2 | 35−40
+0%
|
35−40
+0%
|
| Far Cry 5 | 40−45
+0%
|
40−45
+0%
|
| Forza Horizon 4 | 40−45
+0%
|
40−45
+0%
|
| Forza Horizon 5 | 24−27
+0%
|
24−27
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 75−80
+0%
|
75−80
+0%
|
| Valorant | 35−40
+0%
|
35−40
+0%
|
1440p
High Preset
| Dota 2 | 12−14
+0%
|
12−14
+0%
|
| Grand Theft Auto V | 14−16
+0%
|
14−16
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 45−50
+0%
|
45−50
+0%
|
| Red Dead Redemption 2 | 8−9
+0%
|
8−9
+0%
|
| World of Tanks | 70−75
+0%
|
70−75
+0%
|
1440p
Ultra Preset
| Battlefield 5 | 18−20
+0%
|
18−20
+0%
|
| Counter-Strike 2 | 8−9
+0%
|
8−9
+0%
|
| Cyberpunk 2077 | 8−9
+0%
|
8−9
+0%
|
| Far Cry 5 | 21−24
+0%
|
21−24
+0%
|
| Forza Horizon 4 | 21−24
+0%
|
21−24
+0%
|
| Forza Horizon 5 | 14−16
+0%
|
14−16
+0%
|
| Metro Exodus | 18−20
+0%
|
18−20
+0%
|
| The Witcher 3: Wild Hunt | 12−14
+0%
|
12−14
+0%
|
| Valorant | 24−27
+0%
|
24−27
+0%
|
4K
High Preset
| Counter-Strike 2 | 14−16
+0%
|
14−16
+0%
|
| Dota 2 | 20−22
+0%
|
20−22
+0%
|
| Grand Theft Auto V | 20−22
+0%
|
20−22
+0%
|
| Metro Exodus | 5−6
+0%
|
5−6
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 27−30
+0%
|
27−30
+0%
|
| Red Dead Redemption 2 | 6−7
+0%
|
6−7
+0%
|
| The Witcher 3: Wild Hunt | 20−22
+0%
|
20−22
+0%
|
4K
Ultra Preset
| Battlefield 5 | 9−10
+0%
|
9−10
+0%
|
| Counter-Strike 2 | 14−16
+0%
|
14−16
+0%
|
| Cyberpunk 2077 | 3−4
+0%
|
3−4
+0%
|
| Dota 2 | 20−22
+0%
|
20−22
+0%
|
| Far Cry 5 | 12−14
+0%
|
12−14
+0%
|
| Fortnite | 10−12
+0%
|
10−12
+0%
|
| Forza Horizon 4 | 12−14
+0%
|
12−14
+0%
|
| Forza Horizon 5 | 7−8
+0%
|
7−8
+0%
|
| Valorant | 10−11
+0%
|
10−11
+0%
|
This is how HD 7990 and HD 6990M Crossfire compete in popular games:
- HD 7990 is 41% faster in 900p
- HD 7990 is 42% faster in 1080p
All in all, in popular games:
- there's a draw in 64 tests (100%)
Pros & cons summary
| Performance score | 13.93 | 9.69 |
| Recency | 24 April 2013 | 12 July 2011 |
| Chip lithography | 28 nm | 40 nm |
HD 7990 has a 43.8% higher aggregate performance score, an age advantage of 1 year, and a 42.9% more advanced lithography process.
The Radeon HD 7990 is our recommended choice as it beats the Radeon HD 6990M Crossfire in performance tests.
Be aware that Radeon HD 7990 is a desktop card while Radeon HD 6990M Crossfire is a notebook one.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
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