Radeon RX 7600M XT vs HD 6990M Rebrand

Primary details

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

Place in the rankingnot rated153
Place by popularitynot in top-100not in top-100
Power efficiencyno data19.68
ArchitectureTeraScale 2 (2009−2015)RDNA 3.0 (2022−2024)
GPU code nameBroadwayNavi 33
Market segmentLaptopLaptop
Release date12 July 2011 (13 years ago)4 January 2023 (1 year 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 cores8002048
Core clock speed800 MHz1280 MHz
Boost clock speedno data2469 MHz
Number of transistors1,040 million13,300 million
Manufacturing process technology40 nm6 nm
Power consumption (TDP)100 Watt120 Watt
Texture fill rate32.00316.0
Floating-point processing power1.28 TFLOPS20.23 TFLOPS
ROPs1664
TMUs40128
Ray Tracing Coresno data32

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 datalarge
InterfaceMXM-B (3.0)PCIe 4.0 x16
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 typeGDDR5GDDR6
Maximum RAM amount1 GB8 GB
Memory bus width128 Bit128 Bit
Memory clock speed1100 MHz2250 MHz
Memory bandwidth70.4 GB/s288.0 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 outputsPortable Device Dependent

API compatibility

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

DirectX11.2 (11_0)12 Ultimate (12_2)
Shader Model5.06.7
OpenGL4.44.6
OpenCL1.22.2
VulkanN/A1.3

Pros & cons summary


Recency 12 July 2011 4 January 2023
Maximum RAM amount 1 GB 8 GB
Chip lithography 40 nm 6 nm
Power consumption (TDP) 100 Watt 120 Watt

HD 6990M Rebrand has 20% lower power consumption.

RX 7600M XT, on the other hand, has an age advantage of 11 years, a 700% higher maximum VRAM amount, and a 566.7% more advanced lithography process.

We couldn't decide between Radeon HD 6990M Rebrand and Radeon RX 7600M XT. We've got no test results to judge.


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 6990M Rebrand
Radeon HD 6990M Rebrand
AMD Radeon RX 7600M XT
Radeon RX 7600M XT

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Community ratings

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