GPU Comparison
GEFORCE
NVIDIA GeForce GTX 965M
CORE STATE
GM204
VRAM
2 GB
CLOCK SPEED
950 MHz
TDP
—
BUS WIDTH
128 bit
ARCHITECTURE
Maxwell 2.0
PROCESS
28 nm
LAUNCH DATE
2015
VS
GEFORCE
Tesla K20m
CORE STATE
GK110
VRAM
5 GB
CLOCK SPEED
—
TDP
225 W
BUS WIDTH
320 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
GTX 965M
Tesla K20m
Core Specs
Shading Units
1,024
2,496
+143.8%
Shaders
1,024
2,496
+143.8%
TMUs
64
208
+225.0%
ROPs
32
40
+25.0%
Clocks
Base Clock
924 MHz
—
Boost Clock
950 MHz
—
GPU Clock
—
706 MHz
Memory Clock
1253 MHz
5 Gbps effective
1300 MHz
5.2 Gbps effective
Memory
Memory Size
2 GB
5 GB
VRAM (MB)
2,048
5,120
+150.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
320 bit
Bandwidth
80.19 GB/s
208.0 GB/s
Cache
L1 Cache
48 KB (per SMM)
16 KB (per SMX)
L2 Cache
1024 KB
1280 KB
Performance
Pixel Rate
30.40 GPixel/s
36.71 GPixel/s
Texture Rate
60.80 GTexel/s
146.8 GTexel/s
FP32 (TFLOPS)
1.946 TFLOPS
3.524 TFLOPS
FP64 (TFLOPS)
60.80 GFLOPS (1:32)
1,174.8 GFLOPS (1:3)
Power
TDP
—
225 W
TDP (W)
—
225
Suggested PSU
—
550 W
Power Connectors
None
1x 6-pin + 1x 8-pin
Architecture
Architecture
Maxwell 2.0
Kepler
GPU Name
GM204
GK110
Generation
GeForce 900M
Tesla Kepler
(Kxx)
Process Size
28 nm
28 nm
Transistors
5,200 million
7,080 million
Die Size
398 mm²
561 mm²
Foundry
TSMC
TSMC
Density
13.1M / mm²
12.6M / mm²
API Support
DirectX
12 (12_1)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.4
1.2.175
OpenCL
3.0
3.0
CUDA
5.2
3.5
Shader Model
6.8
6.5 (5.1)
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 2.0 x16
Other
Launch Price
—
3,199 USD
Production
End-of-life
End-of-life
Predecessor
GeForce 800M
Tesla Fermi
Successor
GeForce 10 Mobile
Tesla Maxwell