NVIDIA GeForce GTX 770 vs AMD Radeon Pro Vega 20
GPU · Specs Compare
Graphics Card
Release Date
May 2013
Nov 2018
Generation
GeForce 700
Radeon Pro Mac
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1046 MHz
815 MHz
Boost Clock
1085 MHz
1283 MHz
Memory Clock
1753 MHz
740 MHz
Memory
Memory Size
2GB
4GB
Memory Type
GDDR5
HBM2
Memory Bus
256bit
1024bit
Bandwidth
224.4GB/s
189.4GB/s
Render Config
Shading Units
1536
1280
TMUs
128
80
ROPs
32
32
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
512 KB
1024 KB
Compute Units
—
20
Theoretical Performance
Pixel Rate
34.72 GPixel/s
41.06 GPixel/s
Texture Rate
138.9 GTexel/s
102.6 GTexel/s
FP32 (float)
3.333 TFLOPS
3.284 TFLOPS
FP64 (double)
138.9 GFLOPS
205.3 GFLOPS
FP16 (half)
—
6.569 TFLOPS
Graphics Processor
GPU Name
GK104
Vega 12
GPU Variant
GK104-425-A2
Vega 12 XTA
Architecture
Kepler
GCN 5.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
3.54 billion
Unknown
Die Size
294 mm²
Unknown
Board Design
TDP
230W
100W
Suggested PSU
550 W
—
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
—
Graphics Features
DirectX
12 (11_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.1
1.2
CUDA
3.0
—
Shader Model
5.1
6.3
Benchmark
3DMark Time Spy
2,153
2,596
OctaneBench
38
—
Blender
252
—
3DMark Time Spy Extreme
—
1,211
▲ Specs Compare
Data sourced from official specifications and benchmark tests.