Radeon RX 6400 vs ATI Mobility HD 4650

Aggregate performance score

We've compared Mobility Radeon HD 4650 with Radeon RX 6400, including specs and performance data.

ATI Mobility HD 4650
2009
512 MB DDR2, 35 Watt
1.04

RX 6400 outperforms ATI Mobility HD 4650 by a whopping 1803% based on our aggregate benchmark results.

Primary details

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

Place in the ranking1098279
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data53.99
Power efficiency2.0425.60
ArchitectureTeraScale (2005−2013)RDNA 2.0 (2020−2024)
GPU code nameM96Navi 24
Market segmentLaptopDesktop
Release date9 January 2009 (15 years ago)19 January 2022 (2 years ago)
Launch price (MSRP)no data$159

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 cores320768
Core clock speed500 MHz1923 MHz
Boost clock speedno data2321 MHz
Number of transistors514 million5,400 million
Manufacturing process technology55 nm6 nm
Power consumption (TDP)35 Watt53 Watt
Texture fill rate16.00111.4
Floating-point processing power0.32 TFLOPS3.565 TFLOPS
ROPs832
TMUs3248
Ray Tracing Coresno data12

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 sizemedium sizedno data
InterfacePCIe 2.0 x16PCIe 4.0 x4
Widthno data1-slot
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 typeDDR2GDDR6
Maximum RAM amount512 MB4 GB
Memory bus width128 Bit64 Bit
Memory clock speed600 MHz2000 MHz
Memory bandwidth19.2 GB/s128.0 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 outputs1x HDMI 2.1, 1x DisplayPort 1.4a
HDMI-+

API compatibility

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

DirectX10.1 (10_1)12 Ultimate (12_2)
Shader Model4.16.7
OpenGL3.34.6
OpenCL1.12.2
VulkanN/A1.3

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.

ATI Mobility HD 4650 1.04
RX 6400 19.79
+1803%

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.

ATI Mobility HD 4650 401
RX 6400 7626
+1802%

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 HD16
−1775%
300−350
+1775%

Cost per frame, $

1080pno data0.53

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 3−4
−1733%
55−60
+1733%

Full HD
Medium Preset

Assassin's Creed Odyssey 5−6
−1800%
95−100
+1800%
Call of Duty: Modern Warfare 4−5
−1775%
75−80
+1775%
Cyberpunk 2077 3−4
−1733%
55−60
+1733%
Far Cry 5 1−2
−1700%
18−20
+1700%
Far Cry New Dawn 2−3
−1650%
35−40
+1650%
Forza Horizon 4 0−1 0−1
Hitman 3 5−6
−1800%
95−100
+1800%
Horizon Zero Dawn 12−14
−1746%
240−250
+1746%
Red Dead Redemption 2 1−2
−1700%
18−20
+1700%
Shadow of the Tomb Raider 7−8
−1757%
130−140
+1757%
Watch Dogs: Legion 30−35
−1775%
600−650
+1775%

Full HD
High Preset

Assassin's Creed Odyssey 5−6
−1800%
95−100
+1800%
Call of Duty: Modern Warfare 4−5
−1775%
75−80
+1775%
Cyberpunk 2077 3−4
−1733%
55−60
+1733%
Far Cry 5 1−2
−1700%
18−20
+1700%
Far Cry New Dawn 2−3
−1650%
35−40
+1650%
Forza Horizon 4 0−1 0−1
Hitman 3 5−6
−1800%
95−100
+1800%
Horizon Zero Dawn 12−14
−1746%
240−250
+1746%
Red Dead Redemption 2 1−2
−1700%
18−20
+1700%
Shadow of the Tomb Raider 7−8
−1757%
130−140
+1757%
The Witcher 3: Wild Hunt 10−12
−1718%
200−210
+1718%
Watch Dogs: Legion 30−35
−1775%
600−650
+1775%

Full HD
Ultra Preset

Assassin's Creed Odyssey 5−6
−1800%
95−100
+1800%
Call of Duty: Modern Warfare 4−5
−1775%
75−80
+1775%
Cyberpunk 2077 3−4
−1733%
55−60
+1733%
Far Cry 5 1−2
−1700%
18−20
+1700%
Forza Horizon 4 0−1 0−1
Hitman 3 5−6
−1800%
95−100
+1800%
Horizon Zero Dawn 12−14
−1746%
240−250
+1746%
Shadow of the Tomb Raider 7−8
−1757%
130−140
+1757%
The Witcher 3: Wild Hunt 10−12
−1718%
200−210
+1718%
Watch Dogs: Legion 30−35
−1775%
600−650
+1775%

Full HD
Epic Preset

Red Dead Redemption 2 1−2
−1700%
18−20
+1700%

1440p
High Preset

Battlefield 5 1−2
−1700%
18−20
+1700%
Far Cry New Dawn 1−2
−1700%
18−20
+1700%

1440p
Ultra Preset

Assassin's Creed Odyssey 1−2
−1700%
18−20
+1700%
Cyberpunk 2077 1−2
−1700%
18−20
+1700%
Far Cry 5 1−2
−1700%
18−20
+1700%
Hitman 3 7−8
−1757%
130−140
+1757%
Horizon Zero Dawn 4−5
−1775%
75−80
+1775%
The Witcher 3: Wild Hunt 0−1 0−1
Watch Dogs: Legion 4−5
−1775%
75−80
+1775%

1440p
Epic Preset

Red Dead Redemption 2 4−5
−1775%
75−80
+1775%

4K
High Preset

Far Cry New Dawn 0−1 0−1

4K
Ultra Preset

Assassin's Creed Odyssey 1−2
−1700%
18−20
+1700%
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
−1650%
35−40
+1650%

This is how ATI Mobility HD 4650 and RX 6400 compete in popular games:

  • RX 6400 is 1775% faster in 1080p

Pros & cons summary


Performance score 1.04 19.79
Recency 9 January 2009 19 January 2022
Maximum RAM amount 512 MB 4 GB
Chip lithography 55 nm 6 nm
Power consumption (TDP) 35 Watt 53 Watt

ATI Mobility HD 4650 has 51.4% lower power consumption.

RX 6400, on the other hand, has a 1802.9% higher aggregate performance score, an age advantage of 13 years, a 700% higher maximum VRAM amount, and a 816.7% more advanced lithography process.

The Radeon RX 6400 is our recommended choice as it beats the Mobility Radeon HD 4650 in performance tests.

Be aware that Mobility Radeon HD 4650 is a notebook card while Radeon RX 6400 is a desktop 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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ATI Mobility Radeon HD 4650
Mobility Radeon HD 4650
AMD Radeon RX 6400
Radeon RX 6400

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.


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4 1978 votes

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Questions & comments

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