Home Comparison GeForce 8400 GS PCI vs FireStream 9270

GeForce 8400 GS PCI vs FireStream 9270

We compared two Desktop platform GPUs: 512MB VRAM GeForce 8400 GS PCI and 2GB VRAM FireStream 9270 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

GeForce 8400 GS PCI 's Advantages
Lower TDP (25W vs 160W)
FireStream 9270 's Advantages
Released 11 months late
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (115.2GB/s vs 5.328GB/s)
792 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce 8400 GS PCI
22
FireStream 9270 +5354%
1200

Graphics Card

Dec 2007
Release Date
Nov 2008
GeForce 8
Generation
FireStream
Desktop
Type
Desktop
PCI
Bus Interface
PCIe 2.0 x16

Clock Speeds

333 MHz
Memory Clock
900 MHz

Memory

512MB
Memory Size
2GB
DDR2
Memory Type
GDDR5
64bit
Memory Bus
256bit
5.328GB/s
Bandwidth
115.2GB/s

Render Config

-
Compute Units
10
1
SM Count
-
8
Shading Units
800
4
TMUs
40
4
ROPs
16
-
L1 Cache
16 KB (per CU)
16 KB
L2 Cache
256 KB

Theoretical Performance

2.268 GPixel/s
Pixel Rate
12.00 GPixel/s
2.268 GTexel/s
Texture Rate
30.00 GTexel/s
22.40 GFLOPS
FP32 (float)
1200 GFLOPS
-
FP64 (double)
240.0 GFLOPS

Board Design

25W
TDP
160W
200 W
Suggested PSU
450 W
1x S-Video 1x DMS-59
Outputs
1x DVI
None
Power Connectors
2x 6-pin

Graphics Processor

G98
GPU Name
RV770
G98-400-U2
GPU Variant
RV770 XT
Tesla
Architecture
TeraScale
TSMC
Foundry
TSMC
65 nm
Process Size
55 nm
0.21 billion
Transistors
0.956 billion
86 mm²
Die Size
256 mm²

Graphics Features

11.1 (10_0)
DirectX
10.1 (10_1)
3.3
OpenGL
3.3
1.1
OpenCL
1.1
N/A
Vulkan
N/A
1.1
CUDA
-
4.0
Shader Model
4.1
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