RADEON

ATI Mobility Radeon HD 4670

AMD graphics card specifications and benchmark scores

512 MB
VRAM
MHz Boost
35W
TDP
128
Bus Width

ATI Mobility Radeon HD 4670 Specifications

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ATI Mobility Radeon HD 4670 GPU Core

Shader units and compute resources

The ATI Mobility Radeon HD 4670 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
32
ROPs
8
Compute Units
4
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ATI Mobility Radeon HD 4670 Clock Speeds

GPU and memory frequencies

Clock speeds directly impact the ATI Mobility Radeon HD 4670'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 ATI Mobility Radeon HD 4670 by AMD dynamically adjusts frequencies based on workload, temperature, and power limits to maximize performance while maintaining stability.

GPU Clock
675 MHz
Memory Clock
800 MHz 1600 Mbps effective
GDDR GDDR 6X 6X

AMD's ATI Mobility Radeon HD 4670 Memory

VRAM capacity and bandwidth

VRAM (Video RAM) is dedicated memory for storing textures, frame buffers, and shader data. The ATI Mobility Radeon HD 4670'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
512 MB
VRAM
512 MB
Memory Type
GDDR3
VRAM Type
GDDR3
Memory Bus
128 bit
Bus Width
128-bit
Bandwidth
25.60 GB/s
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ATI Mobility Radeon HD 4670 by AMD Cache

On-chip cache hierarchy

On-chip cache provides ultra-fast data access for the ATI Mobility Radeon HD 4670, 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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ATI Mobility Radeon HD 4670 Theoretical Performance

Compute and fill rates

Theoretical performance metrics provide a baseline for comparing the ATI Mobility Radeon HD 4670 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)
432.0 GFLOPS
Pixel Rate
5.400 GPixel/s
Texture Rate
21.60 GTexel/s
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TeraScale Architecture & Process

Manufacturing and design details

The ATI Mobility Radeon HD 4670 is built on AMD's TeraScale 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 ATI Mobility Radeon HD 4670 will perform in GPU benchmarks compared to previous generations.

Architecture
TeraScale
GPU Name
M96
Process Node
55 nm
Foundry
TSMC
Transistors
514 million
Die Size
146 mm²
Density
3.5M / mm²
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AMD's ATI Mobility Radeon HD 4670 Power & Thermal

TDP and power requirements

Power specifications for the ATI Mobility Radeon HD 4670 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 ATI Mobility Radeon HD 4670 to maintain boost clocks without throttling.

TDP
35 W
TDP
35W
Power Connectors
None
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ATI Mobility Radeon HD 4670 by AMD Physical & Connectivity

Dimensions and outputs

Physical dimensions of the ATI Mobility Radeon HD 4670 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
MXM Module
Bus Interface
MXM-A (3.0)
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 ATI Mobility Radeon HD 4670. 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
10.1 (10_1)
DirectX
10.1 (10_1)
OpenGL
3.3
OpenGL
3.3
OpenCL
1.1
Shader Model
4.1
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ATI Mobility Radeon HD 4670 Product Information

Release and pricing details

The ATI Mobility Radeon HD 4670 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 ATI Mobility Radeon HD 4670 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
Jan 2009
Production
End-of-life
Predecessor
M8x
Successor
Manhattan

ATI Mobility Radeon HD 4670 Benchmark Scores

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No benchmark data available for this GPU.

About ATI Mobility Radeon HD 4670

The AMD ATI Mobility Radeon HD 4670, released in early 2009, carved its niche as a mid-tier mobile GPU for gaming laptops of its era. Built on a 55nm manufacturing process and leveraging the TeraScale architecture, this card packed 512 MB of GDDR3 VRAM with a 128-bit bus interface, delivering enough bandwidth to handle mainstream titles of the time. Its 35W TDP balanced performance and power efficiency, making it a popular choice for laptops targeting casual gamers or users prioritizing portability. While lacking cutting-edge features by today’s standards, the Radeon HD 4670 offered DirectX 10.1 support and Shader Model 4.1 capabilities, enabling smoother visuals in games like *Left 4 Dead* or *Call of Duty: Modern Warfare 2*. However, its aging design struggles with modern AAA titles, making it better suited for retro gaming or lightweight productivity tasks. Gamers relying on the ATI Mobility Radeon HD 4670 would have experienced playable frame rates in titles optimized for lower-end hardware, though high-resolution textures or complex shaders often demanded graphical settings reductions. The card’s 512 MB VRAM pool, while sufficient in 2009, became a bottleneck as game assets grew larger, limiting its viability for 1080p gaming even during its prime. Cooling solutions in laptops using this GPU varied, but its modest TDP allowed for thinner chassis designs compared to bulkier desktop-replacement notebooks. Performance-wise, the Mobility Radeon HD 4670 roughly paralleled the desktop HD 4600 series, though clock speeds and thermal constraints in laptops often dictated real-world results. Its MXM-A interface also made it a candidate for limited upgrade paths in select notebook models. For its time, the AMD ATI Mobility Radeon HD 4670 offered a compelling mix of portability and gaming capability, particularly in entry-level gaming laptops priced under $1,000. Gamers could expect around 30-45 FPS in titles like *World of Warcraft* or *Team Fortress 2* at 720p, though newer games like *Crysis Warhead* demanded extreme detail reductions to maintain playability. The card’s GDDR3 memory, clocked at 800 MHz, paired with its 40nm-based successors’ advancements highlighted its gradual obsolescence in the face of evolving graphical demands. Despite these limitations, its support for technologies like PowerPlay and Avivo HD enhanced battery life and video decoding, appealing to multimedia-focused users. Enthusiasts pushing its limits often resorted to custom BIOS tweaks or undervolting to eke out marginal gains. Today, the Radeon HD 4670 Mobility serves as a relic of an era where integrated graphics dominated budget laptops, offering a baseline for measuring modern GPU progress. While its 512 MB VRAM and 55nm architecture pale against current standards, it remains a nostalgic option for collectors or those reviving legacy hardware. Gamers relying on this GPU should prioritize indie titles or older esports classics like *Counter-Strike: Global Offensive*, as newer releases like *Cyberpunk 2077* or *Elden Ring* are effectively unplayable. Its TeraScale design, once praised for tessellation support, now struggles with even basic ray tracing effects in modern engines. For users seeking an upgrade path, pairing this card with a modern lightweight CPU and SSD might extend its usability for retro gaming or media playback, but serious gaming demands a far more capable solution.

The NVIDIA Equivalent of ATI Mobility Radeon HD 4670

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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