RADEON

ATI Radeon HD 4750

AMD graphics card specifications and benchmark scores

512 MB
VRAM
MHz Boost
100W
TDP
128
Bus Width

ATI Radeon HD 4750 Specifications

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ATI Radeon HD 4750 GPU Core

Shader units and compute resources

The ATI Radeon HD 4750 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
640
Shaders
640
TMUs
32
ROPs
16
Compute Units
8
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ATI Radeon HD 4750 Clock Speeds

GPU and memory frequencies

Clock speeds directly impact the ATI Radeon HD 4750'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 Radeon HD 4750 by AMD dynamically adjusts frequencies based on workload, temperature, and power limits to maximize performance while maintaining stability.

GPU Clock
730 MHz
Memory Clock
800 MHz 3.2 Gbps effective
GDDR GDDR 6X 6X

AMD's ATI Radeon HD 4750 Memory

VRAM capacity and bandwidth

VRAM (Video RAM) is dedicated memory for storing textures, frame buffers, and shader data. The ATI Radeon HD 4750'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
GDDR5
VRAM Type
GDDR5
Memory Bus
128 bit
Bus Width
128-bit
Bandwidth
51.20 GB/s
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ATI Radeon HD 4750 by AMD Cache

On-chip cache hierarchy

On-chip cache provides ultra-fast data access for the ATI Radeon HD 4750, 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 Radeon HD 4750 Theoretical Performance

Compute and fill rates

Theoretical performance metrics provide a baseline for comparing the ATI Radeon HD 4750 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)
934.4 GFLOPS
FP64 (Double)
186.9 GFLOPS (1:5)
Pixel Rate
11.68 GPixel/s
Texture Rate
23.36 GTexel/s
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TeraScale Architecture & Process

Manufacturing and design details

The ATI Radeon HD 4750 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 Radeon HD 4750 will perform in GPU benchmarks compared to previous generations.

Architecture
TeraScale
GPU Name
RV740
Process Node
40 nm
Foundry
TSMC
Transistors
826 million
Die Size
137 mm²
Density
6.0M / mm²
🔌

AMD's ATI Radeon HD 4750 Power & Thermal

TDP and power requirements

Power specifications for the ATI Radeon HD 4750 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 Radeon HD 4750 to maintain boost clocks without throttling.

TDP
100 W
TDP
100W
Power Connectors
1x 6-pin
Suggested PSU
300 W
📐

ATI Radeon HD 4750 by AMD Physical & Connectivity

Dimensions and outputs

Physical dimensions of the ATI Radeon HD 4750 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
Single-slot
Bus Interface
PCIe 2.0 x16
Display Outputs
2x DVI1x S-Video
Display Outputs
2x DVI1x S-Video
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AMD API Support

Graphics and compute APIs

API support determines which games and applications can fully utilize the ATI Radeon HD 4750. 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
📦

ATI Radeon HD 4750 Product Information

Release and pricing details

The ATI Radeon HD 4750 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 Radeon HD 4750 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
Sep 2009
Production
End-of-life
Predecessor
Radeon R600
Successor
Evergreen

ATI Radeon HD 4750 Benchmark Scores

📊

No benchmark data available for this GPU.

About ATI Radeon HD 4750

The ATI Radeon HD 4750 (AMD) stands out as a compelling value proposition for enthusiasts chasing retro gaming setups on a shoestring budget, delivering solid 720p performance in titles from its 2009 heyday like Crysis or Far Cry 2 without breaking the bank. With 512MB of GDDR5 VRAM clocked efficiently on a 40nm TeraScale architecture, it punches above its weight in DirectX 10-era workloads, maintaining playable frame rates that benchmark favorably against contemporaries in period tests. Its 100W TDP keeps power draw modest, making it ideal for older PSUs without modern efficiency demands. Compared to competitive alternatives like the NVIDIA GeForce GT 250, the ATI Radeon HD 4750 (AMD) edges ahead in shader-heavy scenarios thanks to superior memory bandwidth, while holding its own against the HD 4830 in multi-monitor setups. For hardware fans nostalgic for PCIe 2.0 x16 glory, this card's dual-DVI and HDMI outputs ensure crisp visuals on CRTs or early LCDs, blending affordability with authentic era authenticity. When evaluating investment value, the ATI Radeon HD 4750 (AMD) shines as a low-risk entry into the vintage GPU collector's market, often available for under $50 on secondary markets with prices stabilizing due to its cult status among retro builders. Its enduring driver support through AMD's legacy branches means it won't fade into obsolescence like some forgotten relics, offering long-term playability in emulated or native 2000s libraries. Pair it with an AM2+ Phenom II or LGA 775 Core 2 Quad for balanced bottlenecks, unlocking smooth 1080p in lighter fare when overclocked mildly on aftermarket cooling. Enthusiasts report stable pairings with 4-6GB DDR2 kits, avoiding memory starvation in multitasking scenarios. Ultimately, this card's PCIe 2.0 compatibility extends to modern slots with negligible performance hits, cementing its role as a smart, future-proofed throwback that benchmarks eternally fun.

The NVIDIA Equivalent of ATI Radeon HD 4750

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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