Radeon Steam Deck 8CU vs R9 390
Aggregate performance score
We've compared Radeon R9 390 with Radeon Steam Deck 8CU, including specs and performance data.
R9 390 outperforms Steam Deck 8CU by a whopping 107% 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 | 297 | 481 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 9.64 | no data |
| Power efficiency | 5.88 | no data |
| Architecture | GCN 2.0 (2013−2017) | RDNA 2 (2022−2023) |
| GPU code name | Grenada | RDNA 2 Sephiroth |
| Market segment | Desktop | Laptop |
| Design | reference | no data |
| Release date | 18 June 2015 (10 years ago) | 9 November 2023 (1 year ago) |
| Launch price (MSRP) | $329 | 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 | 2560 | 512 |
| Boost clock speed | 1000 MHz | 1900 MHz |
| Number of transistors | 6,200 million | no data |
| Manufacturing process technology | 28 nm | 6 nm |
| Power consumption (TDP) | 275 Watt | no data |
| Texture fill rate | 160.0 | no data |
| Floating-point processing power | 5.12 TFLOPS | no data |
| ROPs | 64 | no data |
| TMUs | 160 | no data |
| L1 Cache | 640 KB | 512 KB |
| L2 Cache | 1024 KB | 1 MB |
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).
| Bus support | PCIe 3.0 | no data |
| Interface | PCIe 3.0 x16 | no data |
| Length | 275 mm | no data |
| Width | 2-slot | no data |
| Supplementary power connectors | 1 x 6-pin, 1 x 8-pin | no data |
| Bridgeless CrossFire | + | - |
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 | no data |
| High bandwidth memory (HBM) | - | no data |
| Maximum RAM amount | 0 MB | no data |
| Memory bus width | 512 Bit | no data |
| Memory clock speed | 1000 MHz | no data |
| Memory bandwidth | 384 GB/s | no data |
| 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 HDMI, 1x DisplayPort | no data |
| Eyefinity | + | - |
| Number of Eyefinity displays | 6 | no data |
| HDMI | + | - |
| DisplayPort support | + | - |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| CrossFire | + | - |
| FreeSync | + | - |
| PowerTune | + | - |
| TrueAudio | + | - |
| VCE | + | - |
| DDMA audio | + | no data |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | DirectX® 12 | 12_1 |
| Shader Model | 6.3 | no data |
| OpenGL | 4.6 | no data |
| OpenCL | 2.0 | no data |
| Vulkan | + | - |
| Mantle | + | - |
Synthetic benchmarks
Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.
Combined synthetic benchmark score
This is our combined benchmark score.
3DMark Fire Strike Graphics
Fire Strike is a DirectX 11 benchmark for gaming PCs. It features two separate tests displaying a fight between a humanoid and a fiery creature made of lava. Using 1920x1080 resolution, Fire Strike shows off some realistic graphics and is quite taxing on hardware.
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:
| Full HD | 60−65
+107%
| 29
−107%
|
Cost per frame, $
| 1080p | 5.48 | no data |
FPS performance in popular games
Full HD
Low
| Cyberpunk 2077 | 0−1 | 0−1 |
| Hogwarts Legacy | 5−6
+0%
|
5−6
+0%
|
Full HD
Medium
| Cyberpunk 2077 | 0−1 | 0−1 |
| Forza Horizon 4 | 2−3
+0%
|
2−3
+0%
|
| Hogwarts Legacy | 5−6
+0%
|
5−6
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 6−7
+0%
|
6−7
+0%
|
| Valorant | 21−24
+0%
|
21−24
+0%
|
Full HD
High
| Counter-Strike: Global Offensive | 8−9
+0%
|
8−9
+0%
|
| Cyberpunk 2077 | 0−1 | 0−1 |
| Far Cry 5 | 27
+0%
|
27
+0%
|
| Forza Horizon 4 | 2−3
+0%
|
2−3
+0%
|
| Grand Theft Auto V | 10
+0%
|
10
+0%
|
| Hogwarts Legacy | 5−6
+0%
|
5−6
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 6−7
+0%
|
6−7
+0%
|
| The Witcher 3: Wild Hunt | 4−5
+0%
|
4−5
+0%
|
| Valorant | 21−24
+0%
|
21−24
+0%
|
Full HD
Ultra
| Cyberpunk 2077 | 0−1 | 0−1 |
| Far Cry 5 | 23
+0%
|
23
+0%
|
| Forza Horizon 4 | 2−3
+0%
|
2−3
+0%
|
| Hogwarts Legacy | 5−6
+0%
|
5−6
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 6−7
+0%
|
6−7
+0%
|
| The Witcher 3: Wild Hunt | 4−5
+0%
|
4−5
+0%
|
| Valorant | 21−24
+0%
|
21−24
+0%
|
1440p
High
| Counter-Strike 2 | 2−3
+0%
|
2−3
+0%
|
1440p
Ultra
| Forza Horizon 4 | 1−2
+0%
|
1−2
+0%
|
4K
High
| Grand Theft Auto V | 14−16
+0%
|
14−16
+0%
|
| Valorant | 0−1 | 0−1 |
4K
Ultra
| PLAYERUNKNOWN'S BATTLEGROUNDS | 1−2
+0%
|
1−2
+0%
|
4K
Epic
| Fortnite | 1−2
+0%
|
1−2
+0%
|
This is how R9 390 and Steam Deck 8CU compete in popular games:
- R9 390 is 107% faster in 1080p
All in all, in popular games:
- there's a draw in 24 tests (100%)
Pros & cons summary
| Performance score | 20.03 | 9.66 |
| Recency | 18 June 2015 | 9 November 2023 |
| Chip lithography | 28 nm | 6 nm |
R9 390 has a 107.3% higher aggregate performance score.
Steam Deck 8CU, on the other hand, has an age advantage of 8 years, and a 366.7% more advanced lithography process.
The Radeon R9 390 is our recommended choice as it beats the Radeon Steam Deck 8CU in performance tests.
Be aware that Radeon R9 390 is a desktop graphics card while Radeon Steam Deck 8CU is a notebook one.
Other comparisons
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