NVIDIA GeForce 7800 GTX vs AMD Radeon HD 6450 GDDR5

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Combined performance score

HD 6450 GDDR5
0.96
+28%

Radeon HD 6450 GDDR5 outperforms GeForce 7800 GTX by 28% in our combined benchmark results.

General info

GPU architecture, market segment, value for money and other general parameters compared.

Place in performance ranking10741114
Place by popularitynot in top-100not in top-100
Value for money0.01no data
ArchitectureTerascale 2 (2009−2015)Curie (2003−2013)
GPU code nameCaicosG70
Market segmentDesktopDesktop
Release date18 April 2011 (12 years old)22 June 2005 (18 years old)
Launch price (MSRP)no data$599
Current price$129 $176 (0.3x MSRP)
Value for money

Performance to price ratio. The higher, the better.

HD 6450 GDDR5 and 7800 GTX have a nearly equal value for money.

Technical specs

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores160no data
Core clock speed750 MHz430 MHz
Number of transistorsno data302 million
Manufacturing process technology40 nm110 nm
Power consumption (TDP)27 Watt86 Watt
Texture fill rateno data10.32

Size and 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).

Interfaceno dataPCIe 1.0 x16
Lengthno data228 mm
Widthno data1-slot

Memory

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 typeGDDR5GDDR3
Maximum RAM amount1 GB256 MB
Memory bus width64 Bit256 Bit
Memory clock speed900 MHz1200 MHz
Memory bandwidthno data38.4 GB/s
Shared memory-no data

Video outputs and ports

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 Connectorsno data2x DVI, 1x S-Video

API support

List of supported graphics and general-purpose computing APIs, including their specific versions.

DirectX119.0c (9_3)
Shader Modelno data3.0
OpenGLno data2.1
OpenCLno dataN/A
Vulkanno dataN/A

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:

900p7
+40%
5−6
−40%
Full HD15
+50%
10−12
−50%
1200p5
+66.7%
3−4
−66.7%

Performance in popular games

Full HD
Low Preset

Cyberpunk 2077 3−4
+50%
2−3
−50%

Full HD
Medium Preset

Call of Duty: Modern Warfare 9−10
+28.6%
7−8
−28.6%
Cyberpunk 2077 3−4
+50%
2−3
−50%
Hitman 3 0−1 0−1
Horizon Zero Dawn 0−1 0−1
Red Dead Redemption 2 3−4
+50%
2−3
−50%
Shadow of the Tomb Raider 6−7
+50%
4−5
−50%

Full HD
High Preset

Call of Duty: Modern Warfare 9−10
+28.6%
7−8
−28.6%
Cyberpunk 2077 3−4
+50%
2−3
−50%
Hitman 3 0−1 0−1
Horizon Zero Dawn 0−1 0−1
Metro Exodus 1−2 0−1
Red Dead Redemption 2 3−4
+50%
2−3
−50%
Shadow of the Tomb Raider 6−7
+50%
4−5
−50%
The Witcher 3: Wild Hunt 3−4
+50%
2−3
−50%

Full HD
Ultra Preset

Cyberpunk 2077 3−4
+50%
2−3
−50%
The Witcher 3: Wild Hunt 3−4
+50%
2−3
−50%

1440p
High Preset

Call of Duty: Modern Warfare 3−4
+50%
2−3
−50%
Hitman 3 3−4
+50%
2−3
−50%
Horizon Zero Dawn 8−9
+33.3%
6−7
−33.3%
Shadow of the Tomb Raider 5−6
+66.7%
3−4
−66.7%

1440p
Ultra Preset

Cyberpunk 2077 1−2 0−1
Far Cry 5 1−2 0−1
The Witcher 3: Wild Hunt 1−2 0−1

4K
High Preset

Call of Duty: Modern Warfare 1−2 0−1
Hitman 3 1−2 0−1
Horizon Zero Dawn 8−9
+33.3%
6−7
−33.3%

4K
Ultra Preset

Assassin's Creed Odyssey 0−1 0−1
Assassin's Creed Valhalla 0−1 0−1
Far Cry 5 3−4
+50%
2−3
−50%
Far Cry New Dawn 5−6
+66.7%
3−4
−66.7%

This is how HD 6450 GDDR5 and 7800 GTX compete in popular games:

900p resolution:

  • HD 6450 GDDR5 is 40% faster than 7800 GTX

1080p resolution:

  • HD 6450 GDDR5 is 50% faster than 7800 GTX

1200p resolution:

  • HD 6450 GDDR5 is 66.7% faster than 7800 GTX

Advantages and disadvantages


Performance score 0.96 0.75
Recency 18 April 2011 22 June 2005
Maximum RAM amount 1 GB 256 MB
Chip lithography 40 nm 110 nm
Power consumption (TDP) 27 Watt 86 Watt

The Radeon HD 6450 GDDR5 is our recommended choice as it beats the GeForce 7800 GTX in performance tests.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

User ratings

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AMD Radeon HD 6450 GDDR5
Radeon HD 6450 GDDR5
NVIDIA GeForce 7800 GTX
GeForce 7800 GTX

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3.4 24 votes

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3.5 28 votes

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