Radeon HD 6450 GDDR5 vs HD 6990
Aggregate performance score
We've compared Radeon HD 6990 and Radeon HD 6450 GDDR5, covering specs and all relevant benchmarks.
HD 6990 outperforms HD 6450 GDDR5 by a whopping 709% 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 | 582 | 1182 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.56 | no data |
| Power efficiency | 1.47 | 2.53 |
| Architecture | TeraScale 3 (2010−2013) | Terascale 2 (2009−2015) |
| GPU code name | Antilles | Caicos |
| Market segment | Desktop | Desktop |
| Release date | 8 March 2011 (14 years ago) | 18 April 2011 (14 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 | 160 |
| Core clock speed | 830 MHz | 750 MHz |
| Number of transistors | 2,640 million | no data |
| Manufacturing process technology | 40 nm | 40 nm |
| Power consumption (TDP) | 375 Watt | 27 Watt |
| Texture fill rate | 79.68 ×2 | no data |
| Floating-point processing power | 2.55 TFLOPS ×2 | no data |
| ROPs | 32 ×2 | no data |
| TMUs | 96 ×2 | no data |
| L1 Cache | 384 KB | no data |
| L2 Cache | 512 KB | 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).
| Interface | PCIe 2.0 x16 | no data |
| 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 | 64 Bit |
| Memory clock speed | 1250 MHz | 900 MHz |
| Memory bandwidth | 160.0 GB/s ×2 | 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 | 1x DVI, 4x mini-DisplayPort | no data |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 11.2 (11_0) | 11 |
| Shader Model | 5.0 | no data |
| OpenGL | 4.4 | no data |
| OpenCL | 1.2 | no data |
| Vulkan | N/A | - |
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:
| 900p | 55−60
+686%
| 7
−686%
|
| Full HD | 120−130
+700%
| 15
−700%
|
| 1200p | 40−45
+700%
| 5
−700%
|
Cost per frame, $
| 1080p | 5.83 | no data |
FPS performance in popular games
Full HD
Low
| Cyberpunk 2077 | 2−3
+0%
|
2−3
+0%
|
Full HD
Medium
| Cyberpunk 2077 | 2−3
+0%
|
2−3
+0%
|
| Escape from Tarkov | 2−3
+0%
|
2−3
+0%
|
| Far Cry 5 | 1−2
+0%
|
1−2
+0%
|
| Fortnite | 0−1 | 0−1 |
| Forza Horizon 4 | 6−7
+0%
|
6−7
+0%
|
| Forza Horizon 5 | 0−1 | 0−1 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 9−10
+0%
|
9−10
+0%
|
| Valorant | 30−33
+0%
|
30−33
+0%
|
Full HD
High
| Counter-Strike: Global Offensive | 29
+0%
|
29
+0%
|
| Cyberpunk 2077 | 2−3
+0%
|
2−3
+0%
|
| Dota 2 | 14−16
+0%
|
14−16
+0%
|
| Escape from Tarkov | 2−3
+0%
|
2−3
+0%
|
| Far Cry 5 | 1−2
+0%
|
1−2
+0%
|
| Fortnite | 0−1 | 0−1 |
| Forza Horizon 4 | 6−7
+0%
|
6−7
+0%
|
| Forza Horizon 5 | 0−1 | 0−1 |
| Metro Exodus | 1−2
+0%
|
1−2
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 9−10
+0%
|
9−10
+0%
|
| The Witcher 3: Wild Hunt | 6−7
+0%
|
6−7
+0%
|
| Valorant | 30−33
+0%
|
30−33
+0%
|
Full HD
Ultra
| Cyberpunk 2077 | 2−3
+0%
|
2−3
+0%
|
| Dota 2 | 14−16
+0%
|
14−16
+0%
|
| Escape from Tarkov | 2−3
+0%
|
2−3
+0%
|
| Far Cry 5 | 1−2
+0%
|
1−2
+0%
|
| Forza Horizon 4 | 6−7
+0%
|
6−7
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 9−10
+0%
|
9−10
+0%
|
| The Witcher 3: Wild Hunt | 6−7
+0%
|
6−7
+0%
|
| Valorant | 30−33
+0%
|
30−33
+0%
|
Full HD
Epic
| Fortnite | 0−1 | 0−1 |
1440p
High
| Counter-Strike 2 | 3−4
+0%
|
3−4
+0%
|
| Counter-Strike: Global Offensive | 5−6
+0%
|
5−6
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 9−10
+0%
|
9−10
+0%
|
1440p
Ultra
| Cyberpunk 2077 | 0−1 | 0−1 |
| Escape from Tarkov | 3−4
+0%
|
3−4
+0%
|
| Far Cry 5 | 0−1 | 0−1 |
| Forza Horizon 4 | 2−3
+0%
|
2−3
+0%
|
| The Witcher 3: Wild Hunt | 2−3
+0%
|
2−3
+0%
|
1440p
Epic
| Fortnite | 1−2
+0%
|
1−2
+0%
|
4K
High
| Grand Theft Auto V | 14−16
+0%
|
14−16
+0%
|
| Valorant | 5−6
+0%
|
5−6
+0%
|
4K
Ultra
| PLAYERUNKNOWN'S BATTLEGROUNDS | 2−3
+0%
|
2−3
+0%
|
4K
Epic
| Fortnite | 2−3
+0%
|
2−3
+0%
|
This is how HD 6990 and HD 6450 GDDR5 compete in popular games:
- HD 6990 is 686% faster in 900p
- HD 6990 is 700% faster in 1080p
- HD 6990 is 700% faster in 1200p
All in all, in popular games:
- there's a draw in 36 tests (100%)
Pros & cons summary
| Performance score | 7.20 | 0.89 |
| Recency | 8 March 2011 | 18 April 2011 |
| Maximum RAM amount | 2 GB | 1 GB |
| Power consumption (TDP) | 375 Watt | 27 Watt |
HD 6990 has a 709% higher aggregate performance score, and a 100% higher maximum VRAM amount.
HD 6450 GDDR5, on the other hand, has an age advantage of 1 month, and 1288.9% lower power consumption.
The Radeon HD 6990 is our recommended choice as it beats the Radeon HD 6450 GDDR5 in performance tests.
Other comparisons
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