GeForce GT 640M Mac Edition vs Radeon HD 6450 GDDR5
Aggregate performance score
We've compared Radeon HD 6450 GDDR5 with GeForce GT 640M Mac Edition, including specs and performance data.
GT 640M Mac Edition outperforms HD 6450 GDDR5 by a small 8% based on our aggregate benchmark results.
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 1119 | 1098 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 2.47 | 2.26 |
| Architecture | Terascale 2 (2009−2015) | Kepler (2012−2018) |
| GPU code name | Caicos | GK107 |
| Market segment | Desktop | Laptop |
| Release date | 18 April 2011 (13 years ago) | 3 February 2013 (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 | 160 | 384 |
| Core clock speed | 750 MHz | 745 MHz |
| Number of transistors | no data | 1,270 million |
| Manufacturing process technology | 40 nm | 28 nm |
| Power consumption (TDP) | 27 Watt | 32 Watt |
| Texture fill rate | no data | 23.84 |
| Floating-point processing power | no data | 0.5722 TFLOPS |
| ROPs | no data | 8 |
| TMUs | no data | 32 |
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 3.0 x16 |
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 | 1 GB | 512 MB |
| Memory bus width | 64 Bit | 64 Bit |
| Memory clock speed | 900 MHz | 1250 MHz |
| Memory bandwidth | no data | 40 GB/s |
| Shared memory | - | - |
Connectivity and outputs
Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.
| Display Connectors | no data | No outputs |
API compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 11 | 12 (11_0) |
| Shader Model | no data | 5.1 |
| OpenGL | no data | 4.6 |
| OpenCL | no data | 1.2 |
| Vulkan | - | 1.1.126 |
| CUDA | - | 3.0 |
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
+0%
| 7−8
+0%
|
| Full HD | 15
−6.7%
| 16−18
+6.7%
|
| 1200p | 5
+0%
| 5−6
+0%
|
FPS performance in popular games
Full HD
Low Preset
| Counter-Strike 2 | 9−10
+0%
|
9−10
+0%
|
| Cyberpunk 2077 | 3−4
+0%
|
3−4
+0%
|
Full HD
Medium Preset
| Counter-Strike 2 | 9−10
+0%
|
9−10
+0%
|
| Cyberpunk 2077 | 3−4
+0%
|
3−4
+0%
|
| Forza Horizon 4 | 7−8
+0%
|
7−8
+0%
|
| Red Dead Redemption 2 | 6−7
+0%
|
6−7
+0%
|
Full HD
High Preset
| Counter-Strike 2 | 9−10
+0%
|
9−10
+0%
|
| Cyberpunk 2077 | 3−4
+0%
|
3−4
+0%
|
| Far Cry 5 | 9−10
+0%
|
9−10
+0%
|
| Fortnite | 3−4
+0%
|
3−4
+0%
|
| Forza Horizon 4 | 7−8
+0%
|
7−8
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 12−14
+0%
|
12−14
+0%
|
| Red Dead Redemption 2 | 6−7
+0%
|
6−7
+0%
|
| The Witcher 3: Wild Hunt | 6−7
+0%
|
6−7
+0%
|
| World of Tanks | 29
−3.4%
|
30−33
+3.4%
|
Full HD
Ultra Preset
| Counter-Strike 2 | 9−10
+0%
|
9−10
+0%
|
| Cyberpunk 2077 | 3−4
+0%
|
3−4
+0%
|
| Far Cry 5 | 9−10
+0%
|
9−10
+0%
|
| Forza Horizon 4 | 7−8
+0%
|
7−8
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 12−14
+0%
|
12−14
+0%
|
1440p
High Preset
| PLAYERUNKNOWN'S BATTLEGROUNDS | 5−6
+0%
|
5−6
+0%
|
| World of Tanks | 5−6
+0%
|
5−6
+0%
|
1440p
Ultra Preset
| Counter-Strike 2 | 9−10
+0%
|
9−10
+0%
|
| Cyberpunk 2077 | 2−3
+0%
|
2−3
+0%
|
| Far Cry 5 | 5−6
+0%
|
5−6
+0%
|
| The Witcher 3: Wild Hunt | 2−3
+0%
|
2−3
+0%
|
| Valorant | 6−7
+0%
|
6−7
+0%
|
4K
High Preset
| Dota 2 | 14−16
−6.7%
|
16−18
+6.7%
|
| Grand Theft Auto V | 14−16
−6.7%
|
16−18
+6.7%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 3−4
+0%
|
3−4
+0%
|
| Red Dead Redemption 2 | 0−1 | 0−1 |
| The Witcher 3: Wild Hunt | 14−16
−6.7%
|
16−18
+6.7%
|
4K
Ultra Preset
| Battlefield 5 | 1−2
+0%
|
1−2
+0%
|
| Cyberpunk 2077 | 1−2
+0%
|
1−2
+0%
|
| Dota 2 | 14−16
−6.7%
|
16−18
+6.7%
|
| Far Cry 5 | 0−1 | 0−1 |
| Valorant | 1−2
+0%
|
1−2
+0%
|
This is how HD 6450 GDDR5 and GT 640M Mac Edition compete in popular games:
- A tie in 900p
- GT 640M Mac Edition is 7% faster in 1080p
- A tie in 1200p
Pros & cons summary
| Performance score | 0.97 | 1.05 |
| Recency | 18 April 2011 | 3 February 2013 |
| Maximum RAM amount | 1 GB | 512 MB |
| Chip lithography | 40 nm | 28 nm |
| Power consumption (TDP) | 27 Watt | 32 Watt |
HD 6450 GDDR5 has a 100% higher maximum VRAM amount, and 18.5% lower power consumption.
GT 640M Mac Edition, on the other hand, has a 8.2% higher aggregate performance score, an age advantage of 1 year, and a 42.9% more advanced lithography process.
Given the minimal performance differences, no clear winner can be declared between Radeon HD 6450 GDDR5 and GeForce GT 640M Mac Edition.
Be aware that Radeon HD 6450 GDDR5 is a desktop card while GeForce GT 640M Mac Edition is a notebook one.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
Other comparisons
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