GPU Comparison
GEFORCE
NVIDIA GeForce GTX 680
CORE STATE
GK104
VRAM
2 GB
CLOCK SPEED
1058 MHz
TDP
195 W
BUS WIDTH
256 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2012
VS
GEFORCE
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
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
GTX 680
GTX 965M
Core Specs
Shading Units
1,536
1,024
-33.3%
Shaders
1,536
1,024
-33.3%
TMUs
128
64
-50.0%
ROPs
32
32
0.0%
Clocks
Base Clock
1006 MHz
924 MHz
Boost Clock
1058 MHz
950 MHz
Memory Clock
1502 MHz
6 Gbps effective
1253 MHz
5 Gbps effective
Memory
Memory Size
2 GB
2 GB
VRAM (MB)
2,048
2,048
0.0%
Memory Type
GDDR5
GDDR5
Memory Bus
256 bit
128 bit
Bandwidth
192.3 GB/s
80.19 GB/s
Cache
L1 Cache
16 KB (per SMX)
48 KB (per SMM)
L2 Cache
512 KB
1024 KB
Performance
Pixel Rate
33.86 GPixel/s
30.40 GPixel/s
Texture Rate
135.4 GTexel/s
60.80 GTexel/s
FP32 (TFLOPS)
3.250 TFLOPS
1.946 TFLOPS
FP64 (TFLOPS)
135.4 GFLOPS (1:24)
60.80 GFLOPS (1:32)
Power
TDP
195 W
—
TDP (W)
195
—
Suggested PSU
450 W
—
Power Connectors
2x 6-pin
None
Architecture
Architecture
Kepler
Maxwell 2.0
GPU Name
GK104
GM204
Generation
GeForce 600
GeForce 900M
Process Size
28 nm
28 nm
Transistors
3,540 million
5,200 million
Die Size
294 mm²
398 mm²
Foundry
TSMC
TSMC
Density
12.0M / mm²
13.1M / 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
Dual-slot
MXM Module
Length
256 mm
10.1 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
MXM-B (3.0)
Other
Launch Price
499 USD
—
Production
End-of-life
End-of-life
Predecessor
GeForce 500
GeForce 800M
Successor
GeForce 700
GeForce 10 Mobile