ATI Mobility Radeon HD 4830 vs HD 6990
Aggregate performance score
We've compared Radeon HD 6990 with Mobility Radeon HD 4830, including specs and performance data.
HD 6990 outperforms Mobility HD 4830 by a whopping 478% based on our aggregate benchmark results.
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 580 | 1070 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.59 | no data |
| Power efficiency | 1.53 | no data |
| Architecture | TeraScale 3 (2010−2013) | TeraScale (2005−2013) |
| GPU code name | Antilles | M97 |
| Market segment | Desktop | Laptop |
| Release date | 8 March 2011 (14 years ago) | 3 March 2009 (16 years ago) |
| Launch price (MSRP) | $699 | no data |
Cost-effectiveness evaluation
The higher the ratio, the better. We use the manufacturer's recommended prices.
Performance to price scatter graph
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 | 1536 ×2 | 640 |
| Core clock speed | 830 MHz | 550 MHz |
| Number of transistors | 2,640 million | 826 million |
| Manufacturing process technology | 40 nm | 40 nm |
| Power consumption (TDP) | 375 Watt | no data |
| Texture fill rate | 79.68 ×2 | 17.60 |
| Floating-point processing power | 2.55 TFLOPS ×2 | 0.704 TFLOPS |
| ROPs | 32 ×2 | 16 |
| TMUs | 96 ×2 | 32 |
| L1 Cache | 384 KB | 128 KB |
| L2 Cache | 512 KB | 128 KB |
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 2.0 x16 | PCIe 2.0 x16 |
| Length | 295 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 | 2 GB ×2 | 1 GB |
| Memory bus width | 256 Bit ×2 | 128 Bit |
| Memory clock speed | 1250 MHz | 700 MHz |
| Memory bandwidth | 160.0 GB/s ×2 | 44.8 GB/s |
| Shared memory | - | - |
Connectivity and outputs
This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.
| Display Connectors | 1x DVI, 4x mini-DisplayPort | No outputs |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 11.2 (11_0) | 10.1 (10_1) |
| Shader Model | 5.0 | 4.1 |
| OpenGL | 4.4 | 3.3 |
| OpenCL | 1.2 | 1.1 |
| Vulkan | N/A | N/A |
Gaming performance
Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.
FPS performance in popular games
Full HD
Low
| Cyberpunk 2077 | 3−4
+0%
|
3−4
+0%
|
| Hogwarts Legacy | 6−7
+0%
|
6−7
+0%
|
Full HD
Medium
| Battlefield 5 | 1−2
+0%
|
1−2
+0%
|
| Cyberpunk 2077 | 3−4
+0%
|
3−4
+0%
|
| Far Cry 5 | 3−4
+0%
|
3−4
+0%
|
| Fortnite | 4−5
+0%
|
4−5
+0%
|
| Forza Horizon 4 | 8−9
+0%
|
8−9
+0%
|
| Forza Horizon 5 | 2−3
+0%
|
2−3
+0%
|
| Hogwarts Legacy | 6−7
+0%
|
6−7
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 9−10
+0%
|
9−10
+0%
|
| Valorant | 30−35
+0%
|
30−35
+0%
|
Full HD
High
| Battlefield 5 | 1−2
+0%
|
1−2
+0%
|
| Counter-Strike: Global Offensive | 30−33
+0%
|
30−33
+0%
|
| Cyberpunk 2077 | 3−4
+0%
|
3−4
+0%
|
| Dota 2 | 16−18
+0%
|
16−18
+0%
|
| Far Cry 5 | 3−4
+0%
|
3−4
+0%
|
| Fortnite | 4−5
+0%
|
4−5
+0%
|
| Forza Horizon 4 | 8−9
+0%
|
8−9
+0%
|
| Forza Horizon 5 | 2−3
+0%
|
2−3
+0%
|
| Grand Theft Auto V | 0−1 | 0−1 |
| Hogwarts Legacy | 6−7
+0%
|
6−7
+0%
|
| Metro Exodus | 2−3
+0%
|
2−3
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 9−10
+0%
|
9−10
+0%
|
| The Witcher 3: Wild Hunt | 7−8
+0%
|
7−8
+0%
|
| Valorant | 30−35
+0%
|
30−35
+0%
|
Full HD
Ultra
| Battlefield 5 | 1−2
+0%
|
1−2
+0%
|
| Cyberpunk 2077 | 3−4
+0%
|
3−4
+0%
|
| Dota 2 | 16−18
+0%
|
16−18
+0%
|
| Far Cry 5 | 3−4
+0%
|
3−4
+0%
|
| Forza Horizon 4 | 8−9
+0%
|
8−9
+0%
|
| Hogwarts Legacy | 6−7
+0%
|
6−7
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 9−10
+0%
|
9−10
+0%
|
| The Witcher 3: Wild Hunt | 7−8
+0%
|
7−8
+0%
|
| Valorant | 30−35
+0%
|
30−35
+0%
|
Full HD
Epic
| Fortnite | 4−5
+0%
|
4−5
+0%
|
1440p
High
| Counter-Strike 2 | 4−5
+0%
|
4−5
+0%
|
| Counter-Strike: Global Offensive | 9−10
+0%
|
9−10
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 12−14
+0%
|
12−14
+0%
|
| Valorant | 4−5
+0%
|
4−5
+0%
|
1440p
Ultra
| Cyberpunk 2077 | 1−2
+0%
|
1−2
+0%
|
| Far Cry 5 | 1−2
+0%
|
1−2
+0%
|
| Forza Horizon 4 | 3−4
+0%
|
3−4
+0%
|
| Hogwarts Legacy | 1−2
+0%
|
1−2
+0%
|
| The Witcher 3: Wild Hunt | 2−3
+0%
|
2−3
+0%
|
1440p
Epic
| Fortnite | 2−3
+0%
|
2−3
+0%
|
4K
High
| Grand Theft Auto V | 14−16
+0%
|
14−16
+0%
|
| Valorant | 6−7
+0%
|
6−7
+0%
|
4K
Ultra
| Dota 2 | 1−2
+0%
|
1−2
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 2−3
+0%
|
2−3
+0%
|
4K
Epic
| Fortnite | 2−3
+0%
|
2−3
+0%
|
All in all, in popular games:
- there's a draw in 49 tests (100%)
Pros & cons summary
| Performance score | 7.46 | 1.29 |
| Recency | 8 March 2011 | 3 March 2009 |
| Maximum RAM amount | 2 GB | 1 GB |
HD 6990 has a 478.3% higher aggregate performance score, an age advantage of 2 years, and a 100% higher maximum VRAM amount.
The Radeon HD 6990 is our recommended choice as it beats the Mobility Radeon HD 4830 in performance tests.
Be aware that Radeon HD 6990 is a desktop graphics card while Mobility Radeon HD 4830 is a notebook one.
Other comparisons
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
