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Galaxy GTX 470 PhysX Prototype

Graphics Processor
GF100
Cores
448
TMUs
56
ROPs
40
Memory Size
1280 MB
Memory Type
GDDR5
Bus Width
320 bit

Graphics Processor

GPU Name
GF100
GPU Variant
GF100-275-A3
Architecture
Fermi
Foundry
TSMC
Process Size
40 nm
Transistors
3,100 million
Die Size
529 mm²

Graphics Processor

GPU Name
GT215
GPU Variant
GT215-400-A2
Architecture
Tesla 2.0
Foundry
TSMC
Process Size
40 nm
Transistors
727 million
Die Size
144 mm²

Graphics Card

Release Date
Never Released
Generation
GeForce 400
Predecessor
GeForce 200
Successor
GeForce 500
Production
End-of-life
Bus Interface
PCIe 2.0 x16

Clock Speeds

GPU Clock
608 MHz
Shader Clock
1215 MHz
Memory Clock
837 MHz
3.3 Gbps effective

Memory

Memory Size
1280 MB
Memory Type
GDDR5
Memory Bus
320 bit
Bandwidth
133.9 GB/s

Render Config

Shading Units
448
TMUs
56
ROPs
40
SM Count
14
L1 Cache
64 KB (per SM)
L2 Cache
640 KB

Theoretical Performance

Pixel Rate
17.02 GPixel/s
Texture Rate
34.05 GTexel/s
FP32 (float) performance
1,089 GFLOPS

Board Design

Slot Width
Dual-slot
TDP
215 W
Suggested PSU
550 W
Outputs
2x DVI
1x mini-HDMI
Power Connectors
1x 6-pin + 1x 8-pin

Graphics Features

DirectX
12 (11_0)
OpenGL
4.6
OpenCL
1.1
Vulkan
N/A
CUDA
2.0
Shader Model
5.1

Card Notes

Heterogeneous graphics card consisting of one GTX 470 for main graphics functions and one GT 240 for PhysX.

GT 240 co-processor specs:

550MHz Core Clock
1340MHz Shader Clock
850MHz (3400MHz effective) 512MB 128-bit GDDR5
96 Unified Shaders
32 TMUs
8 ROPs

Combined FP32 performance of 1,345.92 GFLOPS

the card shown at computex was a GTX 480 with a GT 240 chip

GF100 GPU Notes

GF100 has 4 GPCs each capable of 8 pixels per clock. This limits complete GPU to 32 pixels per clock and because of that it can't feed all 48 ROPs when they all require data at the same time.
Additional ROPs however can be used for MSAA (because it doesn't require additional data from rasterizers, while giving more work to ROPs.)

Other retail boards based on this design (1)

Name GPU Clock Memory Clock Other Changes
Galaxy GTX 470 PhysX Prototype 608 MHz 837 MHz
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