GPU Comparison
GEFORCE
NVIDIA GeForce GT 555M
CORE STATE
GF106
VRAM
1024 MB
CLOCK SPEED
—
TDP
35 W
BUS WIDTH
128 bit
ARCHITECTURE
Fermi
PROCESS
40 nm
LAUNCH DATE
2011
VS
GEFORCE
GRID K2
CORE STATE
GK104
VRAM
4 GB
CLOCK SPEED
—
TDP
225 W
BUS WIDTH
256 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
GT 555M
GRID K2
Core Specs
Shading Units
144
1,536
+966.7%
Shaders
144
1,536
+966.7%
TMUs
24
128
+433.3%
ROPs
16
32
+100.0%
SM Count
3
—
Clocks
GPU Clock
590 MHz
745 MHz
Shader Clock
1180 MHz
—
Memory Clock
900 MHz
1800 Mbps effective
1250 MHz
5 Gbps effective
Memory
Memory Size
1024 MB
4 GB
VRAM (MB)
1,024
4,096
+300.0%
Memory Type
DDR3
GDDR5
Memory Bus
128 bit
256 bit
Bandwidth
28.80 GB/s
160.0 GB/s
Cache
L1 Cache
64 KB (per SM)
16 KB (per SMX)
L2 Cache
256 KB
512 KB
Performance
Pixel Rate
3.540 GPixel/s
23.84 GPixel/s
Texture Rate
14.16 GTexel/s
95.36 GTexel/s
FP32 (TFLOPS)
339.8 GFLOPS
2.289 TFLOPS
FP64 (TFLOPS)
28.32 GFLOPS (1:12)
95.36 GFLOPS (1:24)
Power
TDP
35 W
225 W
TDP (W)
35
225
+542.9%
Suggested PSU
—
550 W
Power Connectors
—
1x 6-pin + 1x 8-pin
Architecture
Architecture
Fermi
Kepler
GPU Name
GF106
GK104
Generation
GeForce 500M
GRID
(K2)
Process Size
40 nm
28 nm
Transistors
1,170 million
3,540 million
Die Size
238 mm²
294 mm²
Foundry
TSMC
TSMC
Density
4.9M / mm²
12.0M / mm²
API Support
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
—
1.2.175
OpenCL
1.1
3.0
CUDA
2.1
3.0
Shader Model
5.1
6.5 (5.1)
Physical
Slot Width
—
Dual-slot
Length
—
267 mm
10.5 inches
Outputs
Portable Device Dependent
No outputs
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Other
Launch Price
—
5,199 USD
Production
End-of-life
End-of-life
Predecessor
GeForce 400M
—
Successor
GeForce 600M
—