NVIDIA GeForce GTX 680 vs AMD Radeon R9 M385
GPU · Specs Compare
Graphics Card
Release Date
Mar 2012
May 2015
Generation
GeForce 600
Gem System
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1006 MHz
900 MHz
Boost Clock
1058 MHz
1000 MHz
Memory Clock
1502 MHz
1200 MHz
Memory
Memory Size
2GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
192.3GB/s
76.80GB/s
Render Config
Shading Units
1536
896
TMUs
128
56
ROPs
32
16
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
512 KB
256 KB
Compute Units
—
14
Theoretical Performance
Pixel Rate
33.86 GPixel/s
16.00 GPixel/s
Texture Rate
135.4 GTexel/s
56.00 GTexel/s
FP32 (float)
3.250 TFLOPS
1.792 TFLOPS
FP64 (double)
135.4 GFLOPS
112.0 GFLOPS
Graphics Processor
GPU Name
GK104
Strato
GPU Variant
GK104-400-A2
Strato XT
Architecture
Kepler
GCN 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
3.54 billion
2.08 billion
Die Size
294 mm²
160 mm²
Board Design
TDP
195W
Unknown
Suggested PSU
450 W
—
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Portable Device Dependent
Power Connectors
2x 6-pin
—
Graphics Features
DirectX
12 (11_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.2.175
1.2.170
CUDA
3.0
—
Shader Model
6.5 (5.1)
6.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.