RADEON

AMD Radeon HD 7640G IGP

AMD graphics card specifications and benchmark scores

VRAM
655
MHz Boost
35W
TDP
Bus Width

AMD Radeon HD 7640G IGP Specifications

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Radeon HD 7640G IGP GPU Core

Shader units and compute resources

The AMD Radeon HD 7640G 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
256
Shaders
256
TMUs
16
ROPs
8
Compute Units
4
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HD 7640G IGP Clock Speeds

GPU and memory frequencies

Clock speeds directly impact the Radeon HD 7640G 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 7640G IGP by AMD dynamically adjusts frequencies based on workload, temperature, and power limits to maximize performance while maintaining stability.

Base Clock
496 MHz
Base Clock
496 MHz
Boost Clock
655 MHz
Boost Clock
655 MHz
Memory Clock
System Shared
GDDR GDDR 6X 6X

AMD's Radeon HD 7640G IGP Memory

VRAM capacity and bandwidth

VRAM (Video RAM) is dedicated memory for storing textures, frame buffers, and shader data. The Radeon HD 7640G 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 7640G IGP Theoretical Performance

Compute and fill rates

Theoretical performance metrics provide a baseline for comparing the AMD Radeon HD 7640G 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)
335.4 GFLOPS
Pixel Rate
5.240 GPixel/s
Texture Rate
10.48 GTexel/s
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TeraScale 3 Architecture & Process

Manufacturing and design details

The AMD Radeon HD 7640G IGP is built on AMD's TeraScale 3 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 7640G IGP will perform in GPU benchmarks compared to previous generations.

Architecture
TeraScale 3
GPU Name
Devastator Lite
Process Node
32 nm
Foundry
GlobalFoundries
Transistors
1,303 million
Die Size
246 mm²
Density
5.3M / mm²
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AMD's Radeon HD 7640G IGP Power & Thermal

TDP and power requirements

Power specifications for the AMD Radeon HD 7640G 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 7640G IGP to maintain boost clocks without throttling.

TDP
35 W
TDP
35W
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Radeon HD 7640G IGP by AMD Physical & Connectivity

Dimensions and outputs

Physical dimensions of the AMD Radeon HD 7640G 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 7640G 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 7640G IGP Product Information

Release and pricing details

The AMD Radeon HD 7640G 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 7640G 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
May 2012
Production
End-of-life
Predecessor
TeraScale 2 IGP
Successor
GCN 2.0 IGP

Radeon HD 7640G IGP Benchmark Scores

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No benchmark data available for this GPU.

About AMD Radeon HD 7640G IGP

The Radeon AMD Radeon HD 7640G IGP delivers entry‑level graphics without breaking the bank. Built on AMD’s 32 nm TeraScale 3 architecture, it runs at a base clock of 496 MHz and can boost to 655 MHz when the workload demands extra horsepower. Its 35 W TDP means it fits comfortably in compact desktops and all‑in‑one systems that lack dedicated power supplies. Because it uses system‑shared memory, you won’t need to purchase a separate video card, which keeps overall build costs low. For users who primarily browse the web, stream video, or play older titles at modest settings, the chip offers a smooth, responsive experience.

In the 2012 market the HD 7640G was positioned as a budget‑friendly IGP for mainstream PCs and office workstations. It competes directly with Intel’s integrated graphics of the same era, often pulling ahead in DirectX 11 titles thanks to its higher boost clock. The following points summarize why it still makes sense for cost‑conscious builds:

  • Low 35 W power draw keeps electricity bills down and eliminates the need for a heavy PSU.
  • System‑shared memory reduces overall component cost and simplifies upgrades.
  • Capable of smooth 1080p H.264 video playback for media consumption.
  • Easy OEM integration with standard PCI‑Express x16 or motherboard graphics slots.

While it won’t challenge modern GPUs in raw performance, it holds its own for everyday tasks. Even the Radeon AMD Radeon HD 7640G IGP remains a viable option for entry‑level builds. That makes it a practical choice for budget PCs that need a reliable graphics solution.

The Radeon AMD Radeon HD 7640G IGP is not a future‑proof solution for demanding gaming, but its modest power envelope ensures it will run on older platforms without upgrades. Because it relies on system‑shared RAM, the overall performance scales with the amount and speed of the installed memory, so a 4 GB DDR3 kit at 1333 MHz is the sweet spot. The chip requires a standard PCI‑Express x16 slot or a compatible motherboard that supports integrated graphics, and a 300 W power supply is more than sufficient. Users should expect smooth playback of 1080p H.264 video and acceptable frame rates in titles such as League of Legends or Counter‑Strike: Global Offensive on low settings. For office productivity, multi‑monitor setups, and light media creation, the IGP provides a stable, low‑cost foundation that won’t force you to upgrade the PSU or chassis.

The NVIDIA Equivalent of Radeon HD 7640G 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

View Specs Compare

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