RADEON

AMD Radeon HD 8670M

AMD graphics card specifications and benchmark scores

1 GB
VRAM
975
MHz Boost
—
TDP
64
Bus Width

AMD Radeon HD 8670M Specifications

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Radeon HD 8670M GPU Core

Shader units and compute resources

The AMD Radeon HD 8670M 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
320
Shaders
320
TMUs
20
ROPs
8
Compute Units
5
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HD 8670M Clock Speeds

GPU and memory frequencies

Clock speeds directly impact the Radeon HD 8670M'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 8670M by AMD dynamically adjusts frequencies based on workload, temperature, and power limits to maximize performance while maintaining stability.

Base Clock
925 MHz
Base Clock
925 MHz
Boost Clock
975 MHz
Boost Clock
975 MHz
Memory Clock
900 MHz 1800 Mbps effective
GDDR GDDR 6X 6X

AMD's Radeon HD 8670M Memory

VRAM capacity and bandwidth

VRAM (Video RAM) is dedicated memory for storing textures, frame buffers, and shader data. The Radeon HD 8670M'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
1024 MB
VRAM
1,024 MB
Memory Type
DDR3
VRAM Type
DDR3
Memory Bus
64 bit
Bus Width
64-bit
Bandwidth
14.40 GB/s
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Radeon HD 8670M by AMD Cache

On-chip cache hierarchy

On-chip cache provides ultra-fast data access for the HD 8670M, reducing the need to fetch data from slower VRAM. L1 and L2 caches store frequently accessed data close to the compute units. AMD's Infinity Cache (L3) dramatically increases effective bandwidth, improving GPU benchmark performance without requiring wider memory buses. Larger cache sizes help maintain high frame rates in memory-bound scenarios and reduce power consumption by minimizing VRAM accesses.

L1 Cache
16 KB (per CU)
L2 Cache
128 KB
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HD 8670M Theoretical Performance

Compute and fill rates

Theoretical performance metrics provide a baseline for comparing the AMD Radeon HD 8670M 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)
624.0 GFLOPS
FP64 (Double)
39.00 GFLOPS (1:16)
Pixel Rate
7.800 GPixel/s
Texture Rate
19.50 GTexel/s
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GCN 1.0 Architecture & Process

Manufacturing and design details

The AMD Radeon HD 8670M is built on AMD's GCN 1.0 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 8670M will perform in GPU benchmarks compared to previous generations.

Architecture
GCN 1.0
GPU Name
Sun
Process Node
28 nm
Foundry
TSMC
Transistors
690 million
Die Size
56 mm²
Density
12.3M / mm²
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AMD's Radeon HD 8670M Power & Thermal

TDP and power requirements

Power specifications for the AMD Radeon HD 8670M 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 8670M to maintain boost clocks without throttling.

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Radeon HD 8670M by AMD Physical & Connectivity

Dimensions and outputs

Physical dimensions of the AMD Radeon HD 8670M 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.

Bus Interface
PCIe 3.0 x8
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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 8670M. 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
12 (11_1)
DirectX
12 (11_1)
OpenGL
4.6
OpenGL
4.6
Vulkan
1.2.170
Vulkan
1.2.170
OpenCL
2.1 (1.2)
Shader Model
6.5 (5.1)
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Radeon HD 8670M Product Information

Release and pricing details

The AMD Radeon HD 8670M 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 8670M 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
Mar 2013
Production
End-of-life
Predecessor
London
Successor
Gem System

Radeon HD 8670M Benchmark Scores

geekbench_openclSource

Geekbench OpenCL tests GPU compute performance using the cross-platform OpenCL API. This shows how AMD Radeon HD 8670M handles parallel computing tasks like video encoding and scientific simulations.

geekbench_opencl #451 of 582
5,012
1%
Max: 380,114
Compare with other GPUs

About AMD Radeon HD 8670M

The AMD Radeon HD 8670M from AMD debuted in early 2013 as a mid‑range mobile GPU built on the 28 nm GCN 1.0 architecture. It sports a 925 MHz base clock that can boost up to 975 MHz, giving it enough headroom for most laptop gaming scenarios. With a 1 GB DDR3 memory pool connected via a PCIe 3.0 x8 interface, the card balances power consumption and bandwidth for portable rigs. In synthetic testing, the chip posted a Geekbench OpenCL score of 5,012 points, placing it solidly between the older HD 8570M and the newer HD 8770M. Those numbers translate into respectable compute performance for shader‑heavy workloads without draining a thin‑and‑light notebook battery. Overall, the HD 8670M offers a sweet spot for gamers who need decent graphics on a budget‑friendly chassis.

When it comes to frame rates, the HD 8670M can comfortably push 60 fps in titles like League of Legends and Counter‑Strike: Global Offensive at 1366×768. More demanding games such as Battlefield 4 or The Witcher 3 drop to the 30‑40 fps range at 1080p, but the card still manages playable sessions with medium settings. The GPU supports DirectX 11 and OpenGL 4.1, enabling modern rendering techniques like tessellation and HDR, albeit at modest levels. Its 1024 MB of DDR3 memory limits texture bandwidth, so ultra‑high‑resolution assets will need to be scaled down for smoother gameplay. Players who prioritize consistent frame delivery will benefit from the card’s stable boost clock, which rarely spikes beyond 975 MHz under load. In short, the Radeon HD 8670M from AMD is a reliable workhorse for esports titles and older AAA releases when paired with sensible in‑game tweaks.

The DDR3 memory type, while older than GDDR5, still provides adequate throughput for the card’s intended market segment. At 1 GB capacity, the VRAM can become a bottleneck in texture‑intensive environments, so disabling unnecessary visual effects can free up valuable space. Thermal design is modest; most laptop implementations use a dual‑fan solution that keeps the GPU under 85 °C during extended sessions. However, users should monitor temperatures because the 28 nm process can generate noticeable heat under sustained load. Proper airflow and occasional cleaning of the heatsink fins are essential to maintain the advertised boost frequencies. The HD 8670M’s cooling considerations are straightforward, making it a low‑maintenance option for gamers on the go.

For optimal use, the HD 8670M shines in scenarios where power efficiency and decent graphics intersect. It excels in casual eSports titles, older AAA games at 1080p with medium settings, and multimedia tasks that benefit from its OpenCL capabilities. Users looking to squeeze every last frame should pair the GPU with a balanced CPU

The NVIDIA Equivalent of Radeon HD 8670M

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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