GPU Comparison
GEFORCE
NVIDIA GeForce GTX 850M
CORE STATE
GM107
VRAM
2 GB
CLOCK SPEED
—
TDP
45 W
BUS WIDTH
128 bit
ARCHITECTURE
Maxwell
PROCESS
28 nm
LAUNCH DATE
2014
VS
GEFORCE
Tesla C2070
CORE STATE
GF100
VRAM
6 GB
CLOCK SPEED
—
TDP
238 W
BUS WIDTH
384 bit
ARCHITECTURE
Fermi
PROCESS
40 nm
LAUNCH DATE
2011
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
GTX 850M
Tesla C2070
Core Specs
Shading Units
640
448
-30.0%
Shaders
640
448
-30.0%
TMUs
40
56
+40.0%
ROPs
16
48
+200.0%
SM Count
—
14
Clocks
GPU Clock
902 MHz
574 MHz
Shader Clock
—
1147 MHz
Memory Clock
1001 MHz
2 Gbps effective
747 MHz
3 Gbps effective
Memory
Memory Size
2 GB
6 GB
VRAM (MB)
2,048
6,144
+200.0%
Memory Type
DDR3
GDDR5
Memory Bus
128 bit
384 bit
Bandwidth
32.03 GB/s
143.4 GB/s
Cache
L1 Cache
64 KB (per SMM)
64 KB (per SM)
L2 Cache
2 MB
768 KB
Performance
Pixel Rate
14.43 GPixel/s
16.07 GPixel/s
Texture Rate
36.08 GTexel/s
32.14 GTexel/s
FP32 (TFLOPS)
1,154.6 GFLOPS
1,027.7 GFLOPS
FP64 (TFLOPS)
36.08 GFLOPS (1:32)
513.9 GFLOPS (1:2)
Power
TDP
45 W
238 W
TDP (W)
45
238
+428.9%
Suggested PSU
—
550 W
Power Connectors
None
1x 6-pin + 1x 8-pin
Architecture
Architecture
Maxwell
Fermi
GPU Name
GM107
GF100
Generation
GeForce 800M
Tesla Fermi
(x20xx)
Process Size
28 nm
40 nm
Transistors
1,870 million
3,100 million
Die Size
148 mm²
529 mm²
Foundry
TSMC
TSMC
Density
12.6M / mm²
5.9M / mm²
API Support
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.4
—
OpenCL
3.0
1.1
CUDA
5.0
2.0
Shader Model
6.7 (5.1)
5.1
Physical
Slot Width
IGP
Dual-slot
Length
—
248 mm
9.8 inches
Outputs
Portable Device Dependent
1x DVI
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
GeForce 700M
Tesla
Successor
GeForce 900M
Tesla Kepler