RADEON

AMD Radeon HD 6620G IGP

AMD graphics card specifications and benchmark scores

VRAM
MHz Boost
35W
TDP
Bus Width

AMD Radeon HD 6620G IGP Specifications

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Radeon HD 6620G IGP GPU Core

Shader units and compute resources

The AMD Radeon HD 6620G IGP GPU core specifications define its raw processing power for graphics and compute workloads. Shading units (also called CUDA cores, stream processors, or execution units depending on manufacturer) handle the parallel calculations required for rendering. TMUs (Texture Mapping Units) process texture data, while ROPs (Render Output Units) handle final pixel output. Higher shader counts generally translate to better GPU benchmark performance, especially in demanding games and 3D applications.

Shading Units
400
Shaders
400
TMUs
20
ROPs
8
Compute Units
5
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HD 6620G IGP Clock Speeds

GPU and memory frequencies

Clock speeds directly impact the Radeon HD 6620G IGP's performance in GPU benchmarks and real-world gaming. The base clock represents the minimum guaranteed frequency, while the boost clock indicates peak performance under optimal thermal conditions. Memory clock speed affects texture loading and frame buffer operations. The Radeon HD 6620G IGP by AMD dynamically adjusts frequencies based on workload, temperature, and power limits to maximize performance while maintaining stability.

GPU Clock
444 MHz
Memory Clock
System Shared
GDDR GDDR 6X 6X

AMD's Radeon HD 6620G IGP Memory

VRAM capacity and bandwidth

VRAM (Video RAM) is dedicated memory for storing textures, frame buffers, and shader data. The Radeon HD 6620G IGP's memory capacity determines how well it handles high-resolution textures and multiple displays. Memory bandwidth, measured in GB/s, affects how quickly data moves between the GPU and VRAM. Higher bandwidth improves performance in memory-intensive scenarios like 4K gaming. The memory bus width and type (GDDR6, GDDR6X, HBM) significantly influence overall GPU benchmark scores.

Memory Size
System Shared
Memory Type
System Shared
VRAM Type
System Shared
Memory Bus
System Shared
Bandwidth
System Dependent
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HD 6620G IGP Theoretical Performance

Compute and fill rates

Theoretical performance metrics provide a baseline for comparing the AMD Radeon HD 6620G IGP against other graphics cards. FP32 (single-precision) performance, measured in TFLOPS, indicates compute capability for gaming and general GPU workloads. FP64 (double-precision) matters for scientific computing. Pixel and texture fill rates determine how quickly the GPU can render complex scenes. While real-world GPU benchmark results depend on many factors, these specifications help predict relative performance levels.

FP32 (Float)
355.2 GFLOPS
Pixel Rate
3.552 GPixel/s
Texture Rate
8.880 GTexel/s
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TeraScale 2 Architecture & Process

Manufacturing and design details

The AMD Radeon HD 6620G IGP is built on AMD's TeraScale 2 architecture, which defines how the GPU processes graphics and compute workloads. The manufacturing process node affects power efficiency, thermal characteristics, and maximum clock speeds. Smaller process nodes pack more transistors into the same die area, enabling higher performance per watt. Understanding the architecture helps predict how the HD 6620G IGP will perform in GPU benchmarks compared to previous generations.

Architecture
TeraScale 2
GPU Name
Sumo
Process Node
32 nm
Foundry
TSMC
Transistors
1,178 million
Die Size
227 mm²
Density
5.2M / mm²
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AMD's Radeon HD 6620G IGP Power & Thermal

TDP and power requirements

Power specifications for the AMD Radeon HD 6620G IGP determine PSU requirements and thermal management needs. TDP (Thermal Design Power) indicates the heat output under typical loads, guiding cooler selection. Power connector requirements ensure adequate power delivery for stable operation during demanding GPU benchmarks. The suggested PSU wattage accounts for the entire system, not just the graphics card. Efficient power delivery enables the Radeon HD 6620G IGP to maintain boost clocks without throttling.

TDP
35 W
TDP
35W
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Radeon HD 6620G IGP by AMD Physical & Connectivity

Dimensions and outputs

Physical dimensions of the AMD Radeon HD 6620G IGP are critical for case compatibility. Card length, height, and slot width determine whether it fits in your chassis. The PCIe interface version affects bandwidth for communication with the CPU. Display outputs define monitor connectivity options, with modern cards supporting multiple high-resolution displays simultaneously. Verify these specifications against your case and motherboard before purchasing to ensure a proper fit.

Slot Width
IGP
Bus Interface
IGP
Display Outputs
Portable Device Dependent
Display Outputs
Portable Device Dependent
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AMD API Support

Graphics and compute APIs

API support determines which games and applications can fully utilize the AMD Radeon HD 6620G IGP. DirectX 12 Ultimate enables advanced features like ray tracing and variable rate shading. Vulkan provides cross-platform graphics capabilities with low-level hardware access. OpenGL remains important for professional applications and older games. CUDA (NVIDIA) and OpenCL enable GPU compute for video editing, 3D rendering, and scientific applications. Higher API versions unlock newer graphical features in GPU benchmarks and games.

DirectX
11.2 (11_0)
DirectX
11.2 (11_0)
OpenGL
4.4
OpenGL
4.4
OpenCL
1.2
Shader Model
5.0
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Radeon HD 6620G IGP Product Information

Release and pricing details

The AMD Radeon HD 6620G IGP is manufactured by AMD as part of their graphics card lineup. Release date and launch pricing provide context for comparing GPU benchmark results with competing products from the same era. Understanding the product lifecycle helps evaluate whether the Radeon HD 6620G IGP by AMD represents good value at current market prices. Predecessor and successor information aids in tracking generational improvements and planning future upgrades.

Manufacturer
AMD
Release Date
Dec 2011
Production
End-of-life
Predecessor
TeraScale IGP
Successor
TeraScale 3 IGP

Radeon HD 6620G IGP Benchmark Scores

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No benchmark data available for this GPU.

About AMD Radeon HD 6620G IGP

The GeForce AMD Radeon HD 6620G IGP packs a modest 35W TDP and leverages a 32nm TeraScale 2 process to deliver entry‑level graphics for budget notebooks. Its shared system memory architecture gives it up to several gigabytes of VRAM, though bandwidth is limited by the host RAM. Gamers who expect smooth 720p titles will find the chip adequate for casual titles but will struggle with modern AAA textures. Benchmarks show modest frame rates in older DirectX 9 games, while OpenCL workloads are constrained by the lack of dedicated compute units. Overall, the card’s driver stability is solid, but its performance ceiling is clearly marked by its low power envelope.

The AMD Radeon HD 6620G IGP version shares the same silicon but is typically marketed without the GeForce branding, targeting OEMs that need a cost‑effective graphics solution. In video editing, the shared memory model means rendering timelines are slow compared to discrete GPUs, yet the chip can handle basic transcoding with hardware‑accelerated H.264 support. Driver updates have improved stability over the years, but users should still expect occasional artifacts in high‑resolution playback. Enterprise features such as multi‑display support are limited to three simultaneous outputs, which suffices for thin‑client scenarios but falls short of workstation demands. For game developers, the IGP’s OpenGL 3.0 and DirectX 10.1 capabilities provide a baseline for lightweight titles, though shader performance is far below that of modern GPUs. In summary, the GeForce variant of the Radeon HD 6620G delivers predictable power consumption at the cost of raw horsepower, making it a niche choice for budget builds.

The NVIDIA Equivalent of Radeon HD 6620G IGP

Looking for a similar graphics card from NVIDIA? The NVIDIA GeForce RTX 2080 offers comparable performance and features in the NVIDIA lineup.

NVIDIA GeForce RTX 2080

NVIDIA • 8 GB VRAM

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