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 C2075
CORE STATE
GF110
VRAM
6 GB
CLOCK SPEED
—
TDP
247 W
BUS WIDTH
384 bit
ARCHITECTURE
Fermi 2.0
PROCESS
40 nm
LAUNCH DATE
2011
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
GTX 870M
Tesla C2075
Core Specs
Shading Units
1,344
448
-66.7%
Shaders
1,344
448
-66.7%
TMUs
112
56
-50.0%
ROPs
24
48
+100.0%
SM Count
—
14
Clocks
Base Clock
941 MHz
—
Boost Clock
967 MHz
—
GPU Clock
—
574 MHz
Shader Clock
—
1147 MHz
Memory Clock
1250 MHz
5 Gbps effective
783 MHz
3.1 Gbps effective
Memory
Memory Size
3 GB
6 GB
VRAM (MB)
3,072
6,144
+100.0%
Memory Type
GDDR5
GDDR5
Memory Bus
192 bit
384 bit
Bandwidth
120.0 GB/s
150.3 GB/s
Cache
L1 Cache
16 KB (per SMX)
64 KB (per SM)
L2 Cache
384 KB
768 KB
Performance
Pixel Rate
27.08 GPixel/s
16.07 GPixel/s
Texture Rate
108.3 GTexel/s
32.14 GTexel/s
FP32 (TFLOPS)
2.599 TFLOPS
1,027.7 GFLOPS
FP64 (TFLOPS)
108.3 GFLOPS (1:24)
513.9 GFLOPS (1:2)
Power
TDP
100 W
247 W
TDP (W)
100
247
+147.0%
Suggested PSU
—
550 W
Power Connectors
None
1x 6-pin + 1x 8-pin
Architecture
Architecture
Kepler
Fermi 2.0
GPU Name
GK104
GF110
Generation
GeForce 800M
Tesla Fermi
(x20xx)
Process Size
28 nm
40 nm
Transistors
3,540 million
3,000 million
Die Size
294 mm²
520 mm²
Foundry
TSMC
TSMC
Density
12.0M / mm²
5.8M / mm²
API Support
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.175
—
OpenCL
3.0
1.1
CUDA
3.0
2.0
Shader Model
6.5 (5.1)
5.1
Physical
Slot Width
MXM Module
Dual-slot
Length
—
248 mm
9.8 inches
Outputs
Portable Device Dependent
1x DVI
Bus Interface
MXM-B (3.0)
PCIe 2.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
GeForce 700M
Tesla
Successor
GeForce 900M
Tesla Kepler