GPU Comparison
GEFORCE
NVIDIA GeForce GTX 870M
CORE STATE
GK104
VRAM
3 GB
CLOCK SPEED
967 MHz
TDP
100 W
BUS WIDTH
192 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2014
VS
GEFORCE
GeForce GTX 950A
CORE STATE
GM107
VRAM
2 GB
CLOCK SPEED
1124 MHz
TDP
75 W
BUS WIDTH
128 bit
ARCHITECTURE
Maxwell
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
GTX 870M
GTX 950A
Core Specs
Shading Units
1,344
640
-52.4%
Shaders
1,344
640
-52.4%
TMUs
112
40
-64.3%
ROPs
24
16
-33.3%
Clocks
Base Clock
941 MHz
993 MHz
Boost Clock
967 MHz
1124 MHz
Memory Clock
1250 MHz
5 Gbps effective
1001 MHz
2 Gbps effective
Memory
Memory Size
3 GB
2 GB
VRAM (MB)
3,072
2,048
-33.3%
Memory Type
GDDR5
DDR3
Memory Bus
192 bit
128 bit
Bandwidth
120.0 GB/s
32.03 GB/s
Cache
L1 Cache
16 KB (per SMX)
64 KB (per SMM)
L2 Cache
384 KB
2 MB
Performance
Pixel Rate
27.08 GPixel/s
17.98 GPixel/s
Texture Rate
108.3 GTexel/s
44.96 GTexel/s
FP32 (TFLOPS)
2.599 TFLOPS
1,438.7 GFLOPS
FP64 (TFLOPS)
108.3 GFLOPS (1:24)
44.96 GFLOPS (1:32)
Power
TDP
100 W
75 W
TDP (W)
100
75
-25.0%
Power Connectors
None
None
Architecture
Architecture
Kepler
Maxwell
GPU Name
GK104
GM107
Generation
GeForce 800M
GeForce 900A
Process Size
28 nm
28 nm
Transistors
3,540 million
1,870 million
Die Size
294 mm²
148 mm²
Foundry
TSMC
TSMC
Density
12.0M / mm²
12.6M / mm²
API Support
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.175
1.4
OpenCL
3.0
3.0
CUDA
3.0
5.0
Shader Model
6.5 (5.1)
6.7 (5.1)
Physical
Slot Width
MXM Module
MXM Module
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
MXM-B (3.0)
MXM-B (3.0)
Other
Production
End-of-life
End-of-life
Predecessor
GeForce 700M
GeForce 800A
Successor
GeForce 900M
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