Radeon RX 6700 vs HD 6450 GDDR5
Aggregate performance score
We've compared Radeon HD 6450 GDDR5 and Radeon RX 6700, covering specs and all relevant benchmarks.
RX 6700 outperforms HD 6450 GDDR5 by a whopping 4989% 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 | 1187 | 91 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 2.53 | 19.89 |
| Architecture | Terascale 2 (2009−2015) | RDNA 2.0 (2020−2025) |
| GPU code name | Caicos | Navi 22 |
| Market segment | Desktop | Desktop |
| Release date | 18 April 2011 (14 years ago) | 9 June 2021 (4 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 | 160 | 2304 |
| Core clock speed | 750 MHz | 1941 MHz |
| Boost clock speed | no data | 2450 MHz |
| Number of transistors | no data | 17,200 million |
| Manufacturing process technology | 40 nm | 7 nm |
| Power consumption (TDP) | 27 Watt | 175 Watt |
| Texture fill rate | no data | 352.8 |
| Floating-point processing power | no data | 11.29 TFLOPS |
| ROPs | no data | 64 |
| TMUs | no data | 144 |
| Ray Tracing Cores | no data | 36 |
| L0 Cache | no data | 576 KB |
| L1 Cache | no data | 512 KB |
| L2 Cache | no data | 3 MB |
| L3 Cache | no data | 80 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).
| Interface | no data | PCIe 4.0 x16 |
| Length | no data | 267 mm |
| Width | no data | 2-slot |
| Supplementary power connectors | no data | 1x 8-pin |
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 | GDDR6 |
| Maximum RAM amount | 1 GB | 10 GB |
| Memory bus width | 64 Bit | 160 Bit |
| Memory clock speed | 900 MHz | 2000 MHz |
| Memory bandwidth | no data | 320.0 GB/s |
| Shared memory | - | - |
| Resizable BAR | - | + |
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 | no data | 1x HDMI 2.1, 2x DisplayPort 1.4a, 1x USB Type-C |
| HDMI | - | + |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 11 | 12 Ultimate (12_2) |
| Shader Model | no data | 6.5 |
| OpenGL | no data | 4.6 |
| OpenCL | no data | 2.1 |
| Vulkan | - | 1.3 |
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 | 7
−4900%
| 350−400
+4900%
|
| Full HD | 15
−4900%
| 750−800
+4900%
|
| 1200p | 5
−4900%
| 250−260
+4900%
|
FPS performance in popular games
Full HD
Low
| Cyberpunk 2077 | 2−3
−4900%
|
100−105
+4900%
|
| Hogwarts Legacy | 5−6
−4900%
|
250−260
+4900%
|
Full HD
Medium
| Cyberpunk 2077 | 2−3
−4900%
|
100−105
+4900%
|
| Far Cry 5 | 1−2
−4900%
|
50−55
+4900%
|
| Fortnite | 0−1 | 0−1 |
| Forza Horizon 4 | 6−7
−4900%
|
300−310
+4900%
|
| Forza Horizon 5 | 0−1 | 0−1 |
| Hogwarts Legacy | 5−6
−4900%
|
250−260
+4900%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 8−9
−4900%
|
400−450
+4900%
|
| Valorant | 30−33
−4900%
|
1500−1550
+4900%
|
Full HD
High
| Counter-Strike: Global Offensive | 29
−4900%
|
1450−1500
+4900%
|
| Cyberpunk 2077 | 2−3
−4900%
|
100−105
+4900%
|
| Dota 2 | 14−16
−4900%
|
700−750
+4900%
|
| Far Cry 5 | 1−2
−4900%
|
50−55
+4900%
|
| Fortnite | 0−1 | 0−1 |
| Forza Horizon 4 | 6−7
−4900%
|
300−310
+4900%
|
| Forza Horizon 5 | 0−1 | 0−1 |
| Hogwarts Legacy | 5−6
−4900%
|
250−260
+4900%
|
| Metro Exodus | 1−2
−4900%
|
50−55
+4900%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 8−9
−4900%
|
400−450
+4900%
|
| The Witcher 3: Wild Hunt | 6−7
−4900%
|
300−310
+4900%
|
| Valorant | 30−33
−4900%
|
1500−1550
+4900%
|
Full HD
Ultra
| Cyberpunk 2077 | 2−3
−4900%
|
100−105
+4900%
|
| Dota 2 | 14−16
−4900%
|
700−750
+4900%
|
| Far Cry 5 | 1−2
−4900%
|
50−55
+4900%
|
| Forza Horizon 4 | 6−7
−4900%
|
300−310
+4900%
|
| Hogwarts Legacy | 5−6
−4900%
|
250−260
+4900%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 8−9
−4900%
|
400−450
+4900%
|
| The Witcher 3: Wild Hunt | 6−7
−4900%
|
300−310
+4900%
|
| Valorant | 30−33
−4900%
|
1500−1550
+4900%
|
Full HD
Epic
| Fortnite | 0−1 | 0−1 |
1440p
High
| Counter-Strike 2 | 4−5
−4900%
|
200−210
+4900%
|
| Counter-Strike: Global Offensive | 5−6
−4900%
|
250−260
+4900%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 9−10
−4900%
|
450−500
+4900%
|
1440p
Ultra
| Cyberpunk 2077 | 0−1 | 0−1 |
| Far Cry 5 | 0−1 | 0−1 |
| Forza Horizon 4 | 3−4
−4900%
|
150−160
+4900%
|
| Hogwarts Legacy | 1−2
−4900%
|
50−55
+4900%
|
| The Witcher 3: Wild Hunt | 2−3
−4900%
|
100−105
+4900%
|
1440p
Epic
| Fortnite | 1−2
−4900%
|
50−55
+4900%
|
4K
High
| Grand Theft Auto V | 14−16
−4900%
|
700−750
+4900%
|
| Valorant | 4−5
−4900%
|
200−210
+4900%
|
4K
Ultra
| PLAYERUNKNOWN'S BATTLEGROUNDS | 2−3
−4900%
|
100−105
+4900%
|
4K
Epic
| Fortnite | 2−3
−4900%
|
100−105
+4900%
|
This is how HD 6450 GDDR5 and RX 6700 compete in popular games:
- RX 6700 is 4900% faster in 900p
- RX 6700 is 4900% faster in 1080p
- RX 6700 is 4900% faster in 1200p
Pros & cons summary
| Performance score | 0.89 | 45.29 |
| Recency | 18 April 2011 | 9 June 2021 |
| Maximum RAM amount | 1 GB | 10 GB |
| Chip lithography | 40 nm | 7 nm |
| Power consumption (TDP) | 27 Watt | 175 Watt |
HD 6450 GDDR5 has 548.1% lower power consumption.
RX 6700, on the other hand, has a 4988.8% higher aggregate performance score, an age advantage of 10 years, a 900% higher maximum VRAM amount, and a 471.4% more advanced lithography process.
The Radeon RX 6700 is our recommended choice as it beats the Radeon HD 6450 GDDR5 in performance tests.
Other comparisons
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