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 980 Ti
CORE STATE
GM200
VRAM
6 GB
CLOCK SPEED
1076 MHz
TDP
250 W
BUS WIDTH
384 bit
ARCHITECTURE
Maxwell 2.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
3dmark_3dmark_steel_nomad_dx12
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
GTX 850M
GTX 980 Ti
Core Specs
Shading Units
640
2,816
+340.0%
Shaders
640
2,816
+340.0%
TMUs
40
176
+340.0%
ROPs
16
96
+500.0%
Clocks
Base Clock
—
1000 MHz
Boost Clock
—
1076 MHz
GPU Clock
902 MHz
—
Memory Clock
1001 MHz
2 Gbps effective
1753 MHz
7 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
336.6 GB/s
Cache
L1 Cache
64 KB (per SMM)
48 KB (per SMM)
L2 Cache
2 MB
3 MB
Performance
Pixel Rate
14.43 GPixel/s
103.3 GPixel/s
Texture Rate
36.08 GTexel/s
189.4 GTexel/s
FP32 (TFLOPS)
1,154.6 GFLOPS
6.060 TFLOPS
FP64 (TFLOPS)
36.08 GFLOPS (1:32)
189.4 GFLOPS (1:32)
Power
TDP
45 W
250 W
TDP (W)
45
250
+455.6%
Suggested PSU
—
600 W
Power Connectors
None
1x 6-pin + 1x 8-pin
Architecture
Architecture
Maxwell
Maxwell 2.0
GPU Name
GM107
GM200
Generation
GeForce 800M
GeForce 900
Process Size
28 nm
28 nm
Transistors
1,870 million
8,000 million
Die Size
148 mm²
601 mm²
Foundry
TSMC
TSMC
Density
12.6M / mm²
13.3M / 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
Dual-slot
Length
—
267 mm
10.5 inches
Height
—
111 mm
4.4 inches
Outputs
Portable Device Dependent
1x DVI1x HDMI 2.03x DisplayPort 1.2
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
—
649 USD
Production
End-of-life
End-of-life
Predecessor
GeForce 700M
GeForce 700
Successor
GeForce 900M
GeForce 10