Radeon HD 6540G2 vs HD 6990

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Aggregate performance score

We've compared Radeon HD 6990 with Radeon HD 6540G2, including specs and performance data.

HD 6990
2011
2 GB GDDR5, 375 Watt
7.81
+492%

HD 6990 outperforms HD 6540G2 by a whopping 492% based on our aggregate benchmark results.

Primary details

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

Place in the ranking5191031
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.60no data
ArchitectureTeraScale 3 (2010−2013)Terascale 2 (2009−2015)
GPU code nameAntillesno data
Market segmentDesktopLaptop
Release date8 March 2011 (13 years ago)14 June 2011 (13 years ago)
Launch price (MSRP)$699 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 cores1536480
Core clock speed830 MHzno data
Number of transistors2,640 millionno data
Manufacturing process technology40 nm40 nm
Power consumption (TDP)375 Wattno data
Texture fill rate79.68no data
Floating-point processing power2.55 gflopsno data
ROPs32no data
TMUs96no 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).

Laptop sizeno datamedium sized
InterfacePCIe 2.0 x16no data
Length295 mmno data
Width2-slotno data
Supplementary power connectors2x 8-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 typeGDDR5no data
Maximum RAM amount2 GBno data
Memory bus width256 Bitno data
Memory clock speed5000 MHzno data
Memory bandwidth160.0 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 Connectors1x DVI, 4x mini-DisplayPortno data

API compatibility

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

DirectX11.2 (11_0)11
Shader Model5.0no data
OpenGL4.4no data
OpenCL1.2no 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.

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 4−5
+0%
4−5
+0%

Full HD
Medium Preset

Assassin's Creed Odyssey 6−7
+0%
6−7
+0%
Call of Duty: Modern Warfare 4−5
+0%
4−5
+0%
Cyberpunk 2077 4−5
+0%
4−5
+0%
Far Cry 5 1−2
+0%
1−2
+0%
Far Cry New Dawn 3−4
+0%
3−4
+0%
Forza Horizon 4 2−3
+0%
2−3
+0%
Hitman 3 6−7
+0%
6−7
+0%
Horizon Zero Dawn 14−16
+0%
14−16
+0%
Red Dead Redemption 2 2−3
+0%
2−3
+0%
Shadow of the Tomb Raider 8−9
+0%
8−9
+0%
Watch Dogs: Legion 30−35
+0%
30−35
+0%

Full HD
High Preset

Assassin's Creed Odyssey 6−7
+0%
6−7
+0%
Call of Duty: Modern Warfare 4−5
+0%
4−5
+0%
Cyberpunk 2077 4−5
+0%
4−5
+0%
Far Cry 5 1−2
+0%
1−2
+0%
Far Cry New Dawn 3−4
+0%
3−4
+0%
Forza Horizon 4 2−3
+0%
2−3
+0%
Hitman 3 6−7
+0%
6−7
+0%
Horizon Zero Dawn 14−16
+0%
14−16
+0%
Red Dead Redemption 2 2−3
+0%
2−3
+0%
Shadow of the Tomb Raider 8−9
+0%
8−9
+0%
The Witcher 3: Wild Hunt 10−12
+0%
10−12
+0%
Watch Dogs: Legion 30−35
+0%
30−35
+0%

Full HD
Ultra Preset

Assassin's Creed Odyssey 6−7
+0%
6−7
+0%
Call of Duty: Modern Warfare 4−5
+0%
4−5
+0%
Cyberpunk 2077 4−5
+0%
4−5
+0%
Far Cry 5 1−2
+0%
1−2
+0%
Forza Horizon 4 2−3
+0%
2−3
+0%
Hitman 3 6−7
+0%
6−7
+0%
Horizon Zero Dawn 14−16
+0%
14−16
+0%
Shadow of the Tomb Raider 8−9
+0%
8−9
+0%
The Witcher 3: Wild Hunt 10−12
+0%
10−12
+0%
Watch Dogs: Legion 30−35
+0%
30−35
+0%

Full HD
Epic Preset

Red Dead Redemption 2 2−3
+0%
2−3
+0%

1440p
High Preset

Battlefield 5 1−2
+0%
1−2
+0%
Far Cry New Dawn 2−3
+0%
2−3
+0%

1440p
Ultra Preset

Assassin's Creed Odyssey 1−2
+0%
1−2
+0%
Call of Duty: Modern Warfare 0−1 0−1
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 6−7
+0%
6−7
+0%

1440p
Epic Preset

Red Dead Redemption 2 4−5
+0%
4−5
+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 1−2
+0%
1−2
+0%
Call of Duty: Modern Warfare 0−1 0−1
Far Cry 5 0−1 0−1

4K
Epic Preset

Red Dead Redemption 2 3−4
+0%
3−4
+0%

All in all, in popular games:

  • there's a draw in 47 tests (100%)

Pros & cons summary


Performance score 7.81 1.32
Recency 8 March 2011 14 June 2011

HD 6990 has a 491.7% higher aggregate performance score.

HD 6540G2, on the other hand, has an age advantage of 3 months.

The Radeon HD 6990 is our recommended choice as it beats the Radeon HD 6540G2 in performance tests.

Be aware that Radeon HD 6990 is a desktop card while Radeon HD 6540G2 is a notebook one.


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

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AMD Radeon HD 6990
Radeon HD 6990
AMD Radeon HD 6540G2
Radeon HD 6540G2

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

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3.6 25 votes

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3.7 3 votes

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Questions & comments

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