GPU Comparison
GPU
Intel Aubrey Isle
CORE STATE
Knights Ferry
VRAM
2 GB
CLOCK SPEED
—
TDP
300 W
BUS WIDTH
256 bit
ARCHITECTURE
Knights
PROCESS
45 nm
LAUNCH DATE
2010
VS
GEFORCE
GeForce GTX 465
CORE STATE
GF100
VRAM
1024 MB
CLOCK SPEED
—
TDP
200 W
BUS WIDTH
256 bit
ARCHITECTURE
Fermi
PROCESS
40 nm
LAUNCH DATE
2010
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
Aubrey Isle
GTX 465
Core Specs
Shading Units
512
352
-31.3%
Shaders
512
352
-31.3%
TMUs
32
44
+37.5%
ROPs
0
32
+∞%
SM Count
—
11
Execution Units
32
—
Clocks
GPU Clock
1200 MHz
608 MHz
Shader Clock
—
1215 MHz
Memory Clock
1200 MHz
4.8 Gbps effective
802 MHz
3.2 Gbps effective
Memory
Memory Size
2 GB
1024 MB
VRAM (MB)
2,048
1,024
-50.0%
Memory Type
GDDR5
GDDR5
Memory Bus
256 bit
256 bit
Bandwidth
153.6 GB/s
102.7 GB/s
Cache
L1 Cache
—
64 KB (per SM)
L2 Cache
—
512 KB
Performance
Pixel Rate
0 MPixel/s
13.38 GPixel/s
Texture Rate
38.40 GTexel/s
26.75 GTexel/s
FP32 (TFLOPS)
1,228.8 GFLOPS
855.4 GFLOPS
FP64 (TFLOPS)
—
106.9 GFLOPS (1:8)
Power
TDP
300 W
200 W
TDP (W)
300
200
-33.3%
Suggested PSU
700 W
550 W
Power Connectors
1x 6-pin + 1x 8-pin
2x 6-pin
Architecture
Architecture
Knights
Fermi
GPU Name
Knights Ferry
GF100
Generation
Knights Ferry
GeForce 400
Process Size
45 nm
40 nm
Transistors
2,300 million
3,100 million
Die Size
684 mm²
529 mm²
Foundry
Intel
TSMC
Density
3.4M / mm²
5.9M / mm²
API Support
DirectX
—
12 (11_0)
OpenGL
—
4.6
OpenCL
1.2
1.1
CUDA
—
2.0
Shader Model
5.0
5.1
Physical
Slot Width
Dual-slot
Dual-slot
Length
267 mm
10.5 inches
241 mm
9.5 inches
Outputs
1x DVI1x HDMI1x DisplayPort
2x DVI1x mini-HDMI 1.3a
Bus Interface
PCIe 2.0 x16
PCIe 2.0 x16
Other
Launch Price
—
279 USD
Production
End-of-life
End-of-life
Predecessor
—
GeForce 200
Successor
Knights Corner
GeForce 500