Radeon HD 8790M vs R9 M270X

VS

Aggregate performance score

We've compared Radeon R9 M270X and Radeon HD 8790M, covering specs and all relevant benchmarks.

R9 M270X
2014
4 GB GDDR5
3.12

HD 8790M outperforms R9 M270X by a small 9% based on our aggregate benchmark results.

Primary details

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

Place in the ranking755733
Place by popularitynot in top-100not in top-100
ArchitectureGCN 1.0 (2011−2020)GCN 1.0 (2011−2020)
GPU code nameVenusMars
Market segmentLaptopLaptop
Release date21 March 2014 (10 years ago)1 April 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 cores640384
Compute units10no data
Core clock speed725 MHz850 MHz
Boost clock speed775 MHz900 MHz
Number of transistors1,500 million950 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)no dataunknown
Texture fill rate31.0021.60
Floating-point processing power0.992 TFLOPS0.6912 TFLOPS
ROPs168
TMUs4024

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
Bus supportPCIe 3.0 x16no data
InterfacePCIe 3.0 x16MXM-A (3.0)
Supplementary power connectorsno dataNone

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 typeGDDR5GDDR5
Maximum RAM amount4 GB2 GB
Memory bus width128 Bit128 Bit
Memory clock speed1125 MHz1000 MHz
Memory bandwidth72 GB/s64 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 ConnectorsNo outputsNo outputs
Eyefinity+-

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

FreeSync+-
HD3D+-
PowerTune+-
DualGraphics+-
ZeroCore+-
Switchable graphics+-

API compatibility

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

DirectXDirectX® 1112 (11_1)
Shader Model5.15.1
OpenGL4.44.6
OpenCLNot Listed1.2
Vulkan-1.2.131
Mantle+-

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.


Combined synthetic benchmark score

This is our combined benchmark score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

R9 M270X 3.12
HD 8790M 3.39
+8.7%

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

R9 M270X 1204
HD 8790M 1305
+8.4%

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:

Full HD24−27
−12.5%
27
+12.5%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 6−7
+0%
6−7
+0%

Full HD
Medium Preset

Assassin's Creed Odyssey 10−11
+0%
10−11
+0%
Assassin's Creed Valhalla 2−3
+0%
2−3
+0%
Battlefield 5 7−8
+0%
7−8
+0%
Call of Duty: Modern Warfare 8−9
+0%
8−9
+0%
Cyberpunk 2077 6−7
+0%
6−7
+0%
Far Cry 5 7−8
+0%
7−8
+0%
Far Cry New Dawn 9−10
+0%
9−10
+0%
Forza Horizon 4 18−20
+0%
18−20
+0%
Hitman 3 8−9
+0%
8−9
+0%
Horizon Zero Dawn 24−27
+0%
24−27
+0%
Metro Exodus 5−6
+0%
5−6
+0%
Red Dead Redemption 2 8−9
+0%
8−9
+0%
Shadow of the Tomb Raider 12−14
+0%
12−14
+0%
Watch Dogs: Legion 40−45
+0%
40−45
+0%

Full HD
High Preset

Assassin's Creed Odyssey 10−11
+0%
10−11
+0%
Assassin's Creed Valhalla 2−3
+0%
2−3
+0%
Battlefield 5 7−8
+0%
7−8
+0%
Call of Duty: Modern Warfare 8−9
+0%
8−9
+0%
Cyberpunk 2077 6−7
+0%
6−7
+0%
Far Cry 5 7−8
+0%
7−8
+0%
Far Cry New Dawn 9−10
+0%
9−10
+0%
Forza Horizon 4 18−20
+0%
18−20
+0%
Hitman 3 8−9
+0%
8−9
+0%
Horizon Zero Dawn 24−27
+0%
24−27
+0%
Metro Exodus 5−6
+0%
5−6
+0%
Red Dead Redemption 2 8−9
+0%
8−9
+0%
Shadow of the Tomb Raider 12−14
+0%
12−14
+0%
The Witcher 3: Wild Hunt 14−16
+0%
14−16
+0%
Watch Dogs: Legion 40−45
+0%
40−45
+0%

Full HD
Ultra Preset

Assassin's Creed Odyssey 10−11
+0%
10−11
+0%
Assassin's Creed Valhalla 2−3
+0%
2−3
+0%
Call of Duty: Modern Warfare 8−9
+0%
8−9
+0%
Cyberpunk 2077 6−7
+0%
6−7
+0%
Far Cry 5 7−8
+0%
7−8
+0%
Forza Horizon 4 18−20
+0%
18−20
+0%
Hitman 3 8−9
+0%
8−9
+0%
Horizon Zero Dawn 24−27
+0%
24−27
+0%
Shadow of the Tomb Raider 12−14
+0%
12−14
+0%
The Witcher 3: Wild Hunt 14−16
+0%
14−16
+0%
Watch Dogs: Legion 40−45
+0%
40−45
+0%

Full HD
Epic Preset

Red Dead Redemption 2 8−9
+0%
8−9
+0%

1440p
High Preset

Battlefield 5 6−7
+0%
6−7
+0%
Far Cry New Dawn 5−6
+0%
5−6
+0%

1440p
Ultra Preset

Assassin's Creed Odyssey 3−4
+0%
3−4
+0%
Call of Duty: Modern Warfare 2−3
+0%
2−3
+0%
Cyberpunk 2077 2−3
+0%
2−3
+0%
Far Cry 5 4−5
+0%
4−5
+0%
Forza Horizon 4 0−1 0−1
Hitman 3 8−9
+0%
8−9
+0%
Horizon Zero Dawn 8−9
+0%
8−9
+0%
The Witcher 3: Wild Hunt 2−3
+0%
2−3
+0%
Watch Dogs: Legion 21−24
+0%
21−24
+0%

1440p
Epic Preset

Red Dead Redemption 2 7−8
+0%
7−8
+0%

4K
High Preset

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

4K
Ultra Preset

Assassin's Creed Odyssey 2−3
+0%
2−3
+0%
Assassin's Creed Valhalla 1−2
+0%
1−2
+0%
Call of Duty: Modern Warfare 1−2
+0%
1−2
+0%
Cyberpunk 2077 0−1 0−1
Far Cry 5 2−3
+0%
2−3
+0%
Forza Horizon 4 1−2
+0%
1−2
+0%
Watch Dogs: Legion 1−2
+0%
1−2
+0%

4K
Epic Preset

Red Dead Redemption 2 4−5
+0%
4−5
+0%

This is how R9 M270X and HD 8790M compete in popular games:

  • HD 8790M is 13% faster in 1080p

All in all, in popular games:

  • there's a draw in 62 tests (100%)

Pros & cons summary


Performance score 3.12 3.39
Recency 21 March 2014 1 April 2013
Maximum RAM amount 4 GB 2 GB

R9 M270X has an age advantage of 11 months, and a 100% higher maximum VRAM amount.

HD 8790M, on the other hand, has a 8.7% higher aggregate performance score.

Given the minimal performance differences, no clear winner can be declared between Radeon R9 M270X and Radeon HD 8790M.


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 R9 M270X
Radeon R9 M270X
AMD Radeon HD 8790M
Radeon HD 8790M

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

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


4.4 5 votes

Rate Radeon R9 M270X on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.3 337 votes

Rate Radeon HD 8790M on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.