GPU Comparison
GEFORCE
NVIDIA GeForce GTX 780 Ti
CORE STATE
GK110B
VRAM
3 GB
CLOCK SPEED
928 MHz
TDP
250 W
BUS WIDTH
384 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
VS
GEFORCE
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
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
GTX 780 Ti
GTX 850M
Core Specs
Shading Units
2,880
640
-77.8%
Shaders
2,880
640
-77.8%
TMUs
240
40
-83.3%
ROPs
48
16
-66.7%
Clocks
Base Clock
875 MHz
—
Boost Clock
928 MHz
—
GPU Clock
—
902 MHz
Memory Clock
1753 MHz
7 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
384 bit
128 bit
Bandwidth
336.6 GB/s
32.03 GB/s
Cache
L1 Cache
16 KB (per SMX)
64 KB (per SMM)
L2 Cache
1536 KB
2 MB
Performance
Pixel Rate
55.68 GPixel/s
14.43 GPixel/s
Texture Rate
222.7 GTexel/s
36.08 GTexel/s
FP32 (TFLOPS)
5.345 TFLOPS
1,154.6 GFLOPS
FP64 (TFLOPS)
222.7 GFLOPS (1:24)
36.08 GFLOPS (1:32)
Power
TDP
250 W
45 W
TDP (W)
250
45
-82.0%
Suggested PSU
600 W
—
Power Connectors
1x 6-pin + 1x 8-pin
None
Architecture
Architecture
Kepler
Maxwell
GPU Name
GK110B
GM107
Generation
GeForce 700
GeForce 800M
Process Size
28 nm
28 nm
Transistors
7,080 million
1,870 million
Die Size
561 mm²
148 mm²
Foundry
TSMC
TSMC
Density
12.6M / mm²
12.6M / mm²
API Support
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.175
1.4
OpenCL
3.0
3.0
CUDA
3.5
5.0
Shader Model
6.5 (5.1)
6.7 (5.1)
Physical
Slot Width
Dual-slot
IGP
Length
267 mm
10.5 inches
—
Height
111 mm
4.4 inches
—
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Portable Device Dependent
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
699 USD
—
Production
End-of-life
End-of-life
Predecessor
GeForce 600
GeForce 700M
Successor
GeForce 900
GeForce 900M