GEFORCE

NVIDIA GeForce 8400 GS Rev. 2

NVIDIA graphics card specifications and benchmark scores

512 MB
VRAM
MHz Boost
25W
TDP
64
Bus Width

NVIDIA GeForce 8400 GS Rev. 2 Specifications

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GeForce 8400 GS Rev. 2 GPU Core

Shader units and compute resources

The NVIDIA GeForce 8400 GS Rev. 2 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
8
Shaders
8
TMUs
4
ROPs
4
SM Count
1
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8400 GS Rev. 2 Clock Speeds

GPU and memory frequencies

Clock speeds directly impact the GeForce 8400 GS Rev. 2'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 GeForce 8400 GS Rev. 2 by NVIDIA dynamically adjusts frequencies based on workload, temperature, and power limits to maximize performance while maintaining stability.

GPU Clock
567 MHz
Memory Clock
400 MHz 800 Mbps effective
Shader Clock
1400 MHz
GDDR GDDR 6X 6X

NVIDIA's GeForce 8400 GS Rev. 2 Memory

VRAM capacity and bandwidth

VRAM (Video RAM) is dedicated memory for storing textures, frame buffers, and shader data. The GeForce 8400 GS Rev. 2'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
DDR2
VRAM Type
DDR2
Memory Bus
64 bit
Bus Width
64-bit
Bandwidth
6.400 GB/s
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GeForce 8400 GS Rev. 2 by NVIDIA Cache

On-chip cache hierarchy

On-chip cache provides ultra-fast data access for the 8400 GS Rev. 2, 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.

L2 Cache
16 KB
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8400 GS Rev. 2 Theoretical Performance

Compute and fill rates

Theoretical performance metrics provide a baseline for comparing the NVIDIA GeForce 8400 GS Rev. 2 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)
22.40 GFLOPS
Pixel Rate
2.268 GPixel/s
Texture Rate
2.268 GTexel/s
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Tesla Architecture & Process

Manufacturing and design details

The NVIDIA GeForce 8400 GS Rev. 2 is built on NVIDIA's Tesla 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 8400 GS Rev. 2 will perform in GPU benchmarks compared to previous generations.

Architecture
Tesla
GPU Name
G98S
Process Node
65 nm
Foundry
UMC
Transistors
210 million
Die Size
86 mm²
Density
2.4M / mm²
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NVIDIA's GeForce 8400 GS Rev. 2 Power & Thermal

TDP and power requirements

Power specifications for the NVIDIA GeForce 8400 GS Rev. 2 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 GeForce 8400 GS Rev. 2 to maintain boost clocks without throttling.

TDP
25 W
TDP
25W
Power Connectors
None
Suggested PSU
200 W
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GeForce 8400 GS Rev. 2 by NVIDIA Physical & Connectivity

Dimensions and outputs

Physical dimensions of the NVIDIA GeForce 8400 GS Rev. 2 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
Length
170 mm 6.7 inches
Bus Interface
PCIe 2.0 x16
Display Outputs
1x DVI1x VGA1x S-Video
Display Outputs
1x DVI1x VGA1x S-Video
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NVIDIA API Support

Graphics and compute APIs

API support determines which games and applications can fully utilize the NVIDIA GeForce 8400 GS Rev. 2. 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
11.1 (10_0)
DirectX
11.1 (10_0)
OpenGL
3.3
OpenGL
3.3
OpenCL
1.1
CUDA
1.1
Shader Model
4.0
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GeForce 8400 GS Rev. 2 Product Information

Release and pricing details

The NVIDIA GeForce 8400 GS Rev. 2 is manufactured by NVIDIA 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 GeForce 8400 GS Rev. 2 by NVIDIA represents good value at current market prices. Predecessor and successor information aids in tracking generational improvements and planning future upgrades.

Manufacturer
NVIDIA
Release Date
Dec 2007
Production
End-of-life
Predecessor
GeForce 7 PCIe
Successor
GeForce 9

GeForce 8400 GS Rev. 2 Benchmark Scores

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No benchmark data available for this GPU.

About NVIDIA GeForce 8400 GS Rev. 2

The NVIDIA GeForce 8400 GS Rev. 2 was introduced in late 2007 as an entry‑level solution for budget desktops. Built on the 65 nm Tesla architecture, it offers a modest 512 MB of DDR2 memory while drawing only 25 W of power. Its PCIe 2.0 x16 interface provides sufficient bandwidth for the modest shader count, making it adequate for legacy titles and basic multimedia tasks. When evaluating price‑to‑performance, the card’s low TDP and inexpensive retail price gave it a favorable ratio at launch, especially for users upgrading from integrated graphics. However, the absence of modern features such as DirectX 10 support and limited memory bandwidth quickly erodes its competitiveness against newer budget GPUs. As a result, the NVIDIA GeForce 8400 GS Rev. 2 is best viewed as a transitional upgrade rather than a long‑term gaming platform.

For contemporary alternatives, the Radeon HD 5450 or later GT‑series cards provide noticeably higher frame rates while still fitting within a similar power envelope. Those competitors also benefit from newer memory technologies like GDDR5, which translate into better texture handling and smoother performance in modern engines. If you must stick with the NVIDIA GeForce 8400 GS Rev. 2, pairing it with a dual‑channel DDR2 system and a modest CPU such as an Intel Core 2 Duo will help extract the last bits of usable throughput. The card’s limited longevity is evident in its inability to run current titles above low settings, so users should anticipate a short useful lifespan for gaming purposes. Nonetheless, for legacy office applications, HTPC setups, or as a stop‑gap solution in older workstations, the NVIDIA GeForce 8400 GS Rev. 2 can still deliver acceptable visual output. Ultimately, investing in a more recent low‑cost GPU will yield better future‑proofing, but the 8400 GS remains a reference point for how far entry‑level graphics have progressed.

The AMD Equivalent of GeForce 8400 GS Rev. 2

Looking for a similar graphics card from AMD? The AMD Radeon RX 480 offers comparable performance and features in the AMD lineup.

AMD Radeon RX 480

AMD • 8 GB VRAM

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