Radeon HD 6450 GDDR5 vs GeForce 7800 GT

Aggregate performance score

We've compared GeForce 7800 GT and Radeon HD 6450 GDDR5, covering specs and all relevant benchmarks.

7800 GT
2005
256 MB GDDR3, 65 Watt
0.63

HD 6450 GDDR5 outperforms 7800 GT by an impressive 52% based on our aggregate benchmark results.

Primary details

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

Place in the ranking11921116
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.01no data
Power efficiency0.682.48
ArchitectureCurie (2003−2013)Terascale 2 (2009−2015)
GPU code nameG70Caicos
Market segmentDesktopDesktop
Release date11 August 2005 (19 years ago)18 April 2011 (13 years ago)
Launch price (MSRP)$449 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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 coresno data160
Core clock speed400 MHz750 MHz
Number of transistors302 millionno data
Manufacturing process technology110 nm40 nm
Power consumption (TDP)65 Watt27 Watt
Texture fill rate8.000no data
ROPs16no data
TMUs20no 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).

InterfacePCIe 1.0 x16no data
Length226 mmno data
Width1-slotno data
Supplementary power connectors1x 6-pinno 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 typeGDDR3GDDR5
Maximum RAM amount256 MB1 GB
Memory bus width256 Bit64 Bit
Memory clock speed500 MHz900 MHz
Memory bandwidth32 GB/sno data
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 Connectors2x DVI, 1x S-Videono data

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX9.0c (9_3)11
Shader Model3.0no data
OpenGL2.1no data
OpenCLN/Ano data
VulkanN/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:

900p4−5
−75%
7
+75%
Full HD9−10
−66.7%
15
+66.7%
1200p3−4
−66.7%
5
+66.7%

Cost per frame, $

1080p49.89no data

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 3−4
+0%
3−4
+0%

Full HD
Medium Preset

Assassin's Creed Odyssey 5−6
+0%
5−6
+0%
Call of Duty: Modern Warfare 4−5
+0%
4−5
+0%
Cyberpunk 2077 3−4
+0%
3−4
+0%
Far Cry 5 1−2
+0%
1−2
+0%
Far Cry New Dawn 2−3
+0%
2−3
+0%
Hitman 3 5−6
+0%
5−6
+0%
Horizon Zero Dawn 12−14
+0%
12−14
+0%
Red Dead Redemption 2 1−2
+0%
1−2
+0%
Shadow of the Tomb Raider 7−8
+0%
7−8
+0%
Watch Dogs: Legion 30−35
+0%
30−35
+0%

Full HD
High Preset

Assassin's Creed Odyssey 5−6
+0%
5−6
+0%
Call of Duty: Modern Warfare 4−5
+0%
4−5
+0%
Cyberpunk 2077 3−4
+0%
3−4
+0%
Far Cry 5 1−2
+0%
1−2
+0%
Far Cry New Dawn 2−3
+0%
2−3
+0%
Hitman 3 5−6
+0%
5−6
+0%
Horizon Zero Dawn 12−14
+0%
12−14
+0%
Red Dead Redemption 2 1−2
+0%
1−2
+0%
Shadow of the Tomb Raider 7−8
+0%
7−8
+0%
The Witcher 3: Wild Hunt 10−11
+0%
10−11
+0%
Watch Dogs: Legion 30−35
+0%
30−35
+0%

Full HD
Ultra Preset

Assassin's Creed Odyssey 5−6
+0%
5−6
+0%
Call of Duty: Modern Warfare 4−5
+0%
4−5
+0%
Cyberpunk 2077 3−4
+0%
3−4
+0%
Far Cry 5 1−2
+0%
1−2
+0%
Hitman 3 5−6
+0%
5−6
+0%
Horizon Zero Dawn 12−14
+0%
12−14
+0%
Shadow of the Tomb Raider 7−8
+0%
7−8
+0%
The Witcher 3: Wild Hunt 10−11
+0%
10−11
+0%
Watch Dogs: Legion 30−35
+0%
30−35
+0%

Full HD
Epic Preset

Red Dead Redemption 2 1−2
+0%
1−2
+0%

1440p
High Preset

Battlefield 5 1−2
+0%
1−2
+0%
Far Cry New Dawn 1−2
+0%
1−2
+0%

1440p
Ultra Preset

Assassin's Creed Odyssey 1−2
+0%
1−2
+0%
Cyberpunk 2077 1−2
+0%
1−2
+0%
Far Cry 5 1−2
+0%
1−2
+0%
Hitman 3 7−8
+0%
7−8
+0%
Horizon Zero Dawn 4−5
+0%
4−5
+0%
The Witcher 3: Wild Hunt 0−1 0−1
Watch Dogs: Legion 4−5
+0%
4−5
+0%

1440p
Epic Preset

Red Dead Redemption 2 3−4
+0%
3−4
+0%

4K
High Preset

Far Cry New Dawn 0−1 0−1

4K
Ultra Preset

Assassin's Creed Odyssey 1−2
+0%
1−2
+0%
Assassin's Creed Valhalla 0−1 0−1
Call of Duty: Modern Warfare 0−1 0−1
Far Cry 5 0−1 0−1

4K
Epic Preset

Red Dead Redemption 2 2−3
+0%
2−3
+0%

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

  • HD 6450 GDDR5 is 75% faster in 900p
  • HD 6450 GDDR5 is 67% faster in 1080p
  • HD 6450 GDDR5 is 67% faster in 1200p

All in all, in popular games:

  • there's a draw in 43 tests (100%)

Pros & cons summary


Performance score 0.63 0.96
Recency 11 August 2005 18 April 2011
Maximum RAM amount 256 MB 1 GB
Chip lithography 110 nm 40 nm
Power consumption (TDP) 65 Watt 27 Watt

HD 6450 GDDR5 has a 52.4% higher aggregate performance score, an age advantage of 5 years, a 300% higher maximum VRAM amount, a 175% more advanced lithography process, and 140.7% lower power consumption.

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


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

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

Comparisons with similar GPUs

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Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


2.5 67 votes

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3.4 24 votes

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Questions & comments

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