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 M4
CORE STATE
GM206
VRAM
4 GB
CLOCK SPEED
1072 MHz
TDP
50 W
BUS WIDTH
128 bit
ARCHITECTURE
Maxwell 2.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
GTX 850M
Tesla M4
Core Specs
Shading Units
640
1,024
+60.0%
Shaders
640
1,024
+60.0%
TMUs
40
64
+60.0%
ROPs
16
32
+100.0%
Clocks
Base Clock
—
872 MHz
Boost Clock
—
1072 MHz
GPU Clock
902 MHz
—
Memory Clock
1001 MHz
2 Gbps effective
1375 MHz
5.5 Gbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
DDR3
GDDR5
Memory Bus
128 bit
128 bit
Bandwidth
32.03 GB/s
88.00 GB/s
Cache
L1 Cache
64 KB (per SMM)
48 KB (per SMM)
L2 Cache
2 MB
1024 KB
Performance
Pixel Rate
14.43 GPixel/s
34.30 GPixel/s
Texture Rate
36.08 GTexel/s
68.61 GTexel/s
FP32 (TFLOPS)
1,154.6 GFLOPS
2.195 TFLOPS
FP64 (TFLOPS)
36.08 GFLOPS (1:32)
68.61 GFLOPS (1:32)
Power
TDP
45 W
50 W
TDP (W)
45
50
+11.1%
Suggested PSU
—
250 W
Power Connectors
None
—
Architecture
Architecture
Maxwell
Maxwell 2.0
GPU Name
GM107
GM206
Generation
GeForce 800M
Tesla Maxwell
(Mxx)
Process Size
28 nm
28 nm
Transistors
1,870 million
2,940 million
Die Size
148 mm²
228 mm²
Foundry
TSMC
TSMC
Density
12.6M / mm²
12.9M / mm²
API Support
DirectX
12 (11_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.4
1.4
OpenCL
3.0
3.0
CUDA
5.0
5.2
Shader Model
6.7 (5.1)
6.8
Physical
Slot Width
IGP
Single-slot
Outputs
Portable Device Dependent
No outputs
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
GeForce 700M
Tesla Kepler
Successor
GeForce 900M
Tesla Pascal