NVIDIA GeForce GTX 770 vs AMD Radeon R9 380
GPU · Specs Compare
Graphics Card
Release Date
May 2013
Jun 2015
Generation
GeForce 700
Pirate Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1046 MHz
—
Boost Clock
1085 MHz
—
Memory Clock
1753 MHz
1375 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
224.4GB/s
176.0GB/s
Render Config
Shading Units
1536
1792
TMUs
128
112
ROPs
32
32
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
512 KB
512 KB
Compute Units
—
28
Theoretical Performance
Pixel Rate
34.72 GPixel/s
31.04 GPixel/s
Texture Rate
138.9 GTexel/s
108.6 GTexel/s
FP32 (float)
3.333 TFLOPS
3.476 TFLOPS
FP64 (double)
138.9 GFLOPS
217.3 GFLOPS
FP16 (half)
—
3.476 TFLOPS
Graphics Processor
GPU Name
GK104
Antigua
GPU Variant
GK104-425-A2
Antigua PRO(215-0877000)
Architecture
Kepler
GCN 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
3.54 billion
5 billion
Die Size
294 mm²
366 mm²
Board Design
TDP
230W
190W
Suggested PSU
550 W
450 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 6-pin + 1x 8-pin
2x 6-pin
Graphics Features
DirectX
12 (11_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.1
1.2
CUDA
3.0
—
Shader Model
5.1
6.3
Benchmark
3DMark Time Spy
2,153
2,757
OctaneBench
38
—
Blender
252
—
3DMark Time Spy Extreme
—
1,239
▲ Specs Compare
Data sourced from official specifications and benchmark tests.