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
Tesla M40
CORE STATE
GM200
VRAM
12 GB
CLOCK SPEED
1112 MHz
TDP
250 W
BUS WIDTH
384 bit
ARCHITECTURE
Maxwell 2.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
GTX 870M
Tesla M40
Core Specs
Shading Units
1,344
3,072
+128.6%
Shaders
1,344
3,072
+128.6%
TMUs
112
192
+71.4%
ROPs
24
96
+300.0%
Clocks
Base Clock
941 MHz
948 MHz
Boost Clock
967 MHz
1112 MHz
Memory Clock
1250 MHz
5 Gbps effective
1502 MHz
6 Gbps effective
Memory
Memory Size
3 GB
12 GB
VRAM (MB)
3,072
12,288
+300.0%
Memory Type
GDDR5
GDDR5
Memory Bus
192 bit
384 bit
Bandwidth
120.0 GB/s
288.4 GB/s
Cache
L1 Cache
16 KB (per SMX)
48 KB (per SMM)
L2 Cache
384 KB
3 MB
Performance
Pixel Rate
27.08 GPixel/s
106.8 GPixel/s
Texture Rate
108.3 GTexel/s
213.5 GTexel/s
FP32 (TFLOPS)
2.599 TFLOPS
6.832 TFLOPS
FP64 (TFLOPS)
108.3 GFLOPS (1:24)
213.5 GFLOPS (1:32)
Power
TDP
100 W
250 W
TDP (W)
100
250
+150.0%
Suggested PSU
—
600 W
Power Connectors
None
8-pin EPS
Architecture
Architecture
Kepler
Maxwell 2.0
GPU Name
GK104
GM200
Generation
GeForce 800M
Tesla Maxwell
(Mxx)
Process Size
28 nm
28 nm
Transistors
3,540 million
8,000 million
Die Size
294 mm²
601 mm²
Foundry
TSMC
TSMC
Density
12.0M / mm²
13.3M / mm²
API Support
DirectX
12 (11_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.175
1.4
OpenCL
3.0
3.0
CUDA
3.0
5.2
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
MXM Module
Dual-slot
Length
—
267 mm
10.5 inches
Outputs
Portable Device Dependent
No outputs
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
GeForce 700M
Tesla Kepler
Successor
GeForce 900M
Tesla Pascal