Radeon HD 8550M vs GeForce 7900 GT
Aggregate performance score
We've compared GeForce 7900 GT with Radeon HD 8550M, including specs and performance data.
HD 8550M outperforms 7900 GT by a whopping 118% 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 | 1262 | 1056 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 0.99 | no data |
| Architecture | Curie (2003−2013) | GCN 1.0 (2012−2020) |
| GPU code name | G71 | Sun |
| Market segment | Desktop | Laptop |
| Release date | 9 March 2006 (20 years ago) | 13 July 2014 (11 years ago) |
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 | no data | 320 |
| Core clock speed | 450 MHz | 650 MHz |
| Boost clock speed | no data | 850 MHz |
| Number of transistors | 278 million | 690 million |
| Manufacturing process technology | 90 nm | 28 nm |
| Power consumption (TDP) | 48 Watt | no data |
| Texture fill rate | 10.80 | 17.00 |
| Floating-point processing power | no data | 0.544 TFLOPS |
| ROPs | 16 | 8 |
| TMUs | 24 | 20 |
| L1 Cache | no data | 80 KB |
| L2 Cache | no data | 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 | medium sized |
| Interface | PCIe 1.0 x16 | PCIe 3.0 x8 |
| Width | 1-slot | no data |
| Supplementary power connectors | 1x 6-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 | GDDR3 | DDR3 |
| Maximum RAM amount | 256 MB | 1 GB |
| Memory bus width | 256 Bit | 64 Bit |
| Memory clock speed | 660 MHz | 900 MHz |
| Memory bandwidth | 42.24 GB/s | 14.4 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 | 2x DVI, 1x S-Video | No outputs |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 9.0c (9_3) | 12 (11_1) |
| Shader Model | 3.0 | 5.1 |
| OpenGL | 2.1 | 4.6 |
| OpenCL | N/A | 1.2 |
| Vulkan | N/A | 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.
FPS performance in popular games
Full HD
Low
| Cyberpunk 2077 | 3−4
+0%
|
3−4
+0%
|
| Resident Evil 4 Remake | 0−1 | 0−1 |
Full HD
Medium
| Battlefield 5 | 2−3
+0%
|
2−3
+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%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 10−11
+0%
|
10−11
+0%
|
| Valorant | 30−35
+0%
|
30−35
+0%
|
Full HD
High
| Battlefield 5 | 2−3
+0%
|
2−3
+0%
|
| Counter-Strike: Global Offensive | 30−35
+0%
|
30−35
+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 | 1−2
+0%
|
1−2
+0%
|
| Metro Exodus | 2−3
+0%
|
2−3
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 10−11
+0%
|
10−11
+0%
|
| The Witcher 3: Wild Hunt | 7−8
+0%
|
7−8
+0%
|
| Valorant | 30−35
+0%
|
30−35
+0%
|
Full HD
Ultra
| Battlefield 5 | 2−3
+0%
|
2−3
+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%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 10−11
+0%
|
10−11
+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 | 14−16
+0%
|
14−16
+0%
|
| Valorant | 5−6
+0%
|
5−6
+0%
|
1440p
Ultra
| Cyberpunk 2077 | 0−1 | 0−1 |
| Far Cry 5 | 1−2
+0%
|
1−2
+0%
|
| Forza Horizon 4 | 4−5
+0%
|
4−5
+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 | 7−8
+0%
|
7−8
+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 44 tests (100%)
Pros & cons summary
| Performance score | 0.62 | 1.35 |
| Recency | 9 March 2006 | 13 July 2014 |
| Maximum RAM amount | 256 MB | 1 GB |
| Chip lithography | 90 nm | 28 nm |
HD 8550M has a 118% higher aggregate performance score, an age advantage of 8 years, a 300% higher maximum VRAM amount, and a 221% more advanced lithography process.
The Radeon HD 8550M is our recommended choice as it beats the GeForce 7900 GT in performance tests.
Be aware that GeForce 7900 GT is a desktop graphics card while Radeon HD 8550M 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.
