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
GeForce GTX 880M
CORE STATE
GK104
VRAM
8 GB
CLOCK SPEED
993 MHz
TDP
122 W
BUS WIDTH
256 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2014
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
GTX 850M
GTX 880M
Core Specs
Shading Units
640
1,536
+140.0%
Shaders
640
1,536
+140.0%
TMUs
40
128
+220.0%
ROPs
16
32
+100.0%
Clocks
Base Clock
—
954 MHz
Boost Clock
—
993 MHz
GPU Clock
902 MHz
—
Memory Clock
1001 MHz
2 Gbps effective
1250 MHz
5 Gbps effective
Memory
Memory Size
2 GB
8 GB
VRAM (MB)
2,048
8,192
+300.0%
Memory Type
DDR3
GDDR5
Memory Bus
128 bit
256 bit
Bandwidth
32.03 GB/s
160.0 GB/s
Cache
L1 Cache
64 KB (per SMM)
16 KB (per SMX)
L2 Cache
2 MB
512 KB
Performance
Pixel Rate
14.43 GPixel/s
31.78 GPixel/s
Texture Rate
36.08 GTexel/s
127.1 GTexel/s
FP32 (TFLOPS)
1,154.6 GFLOPS
3.050 TFLOPS
FP64 (TFLOPS)
36.08 GFLOPS (1:32)
127.1 GFLOPS (1:24)
Power
TDP
45 W
122 W
TDP (W)
45
122
+171.1%
Power Connectors
None
None
Architecture
Architecture
Maxwell
Kepler
GPU Name
GM107
GK104
Generation
GeForce 800M
GeForce 800M
Process Size
28 nm
28 nm
Transistors
1,870 million
3,540 million
Die Size
148 mm²
294 mm²
Foundry
TSMC
TSMC
Density
12.6M / mm²
12.0M / mm²
API Support
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.4
1.2.175
OpenCL
3.0
3.0
CUDA
5.0
3.0
Shader Model
6.7 (5.1)
6.5 (5.1)
Physical
Slot Width
IGP
MXM Module
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Other
Production
End-of-life
End-of-life
Predecessor
GeForce 700M
GeForce 700M
Successor
GeForce 900M
GeForce 900M