Home GPU Comparison AMD Radeon R9 380 vs NVIDIA GeForce GTX 645 OEM

AMD Radeon R9 380 vs NVIDIA GeForce GTX 645 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 380 and 1024MB VRAM GeForce GTX 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 380 's Advantages
Released 2 years and 2 months late
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (176.0GB/s vs 64.00GB/s)
1216 additional rendering cores
NVIDIA GeForce GTX 645 OEM 's Advantages
Lower TDP (65W vs 190W)

Score

Benchmark

FP32 (float)
Radeon R9 380 +266%
3.476 TFLOPS
GeForce GTX 645 OEM
0.949 TFLOPS
VS

Graphics Card

Jun 2015
Release Date
Apr 2013
Pirate Islands
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
-
-
-
-
-
1375 MHz
Memory Clock
1000 MHz

Memory

2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
176.0GB/s
Bandwidth
64.00GB/s

Render Config

28
Compute Units
-
-
-
-
1792
Shading Units
576
112
TMUs
48
32
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
512 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

31.04 GPixel/s
Pixel Rate
9.888 GPixel/s
108.6 GTexel/s
Texture Rate
39.55 GTexel/s
3.476 TFLOPS
FP16 (half)
-
3.476 TFLOPS
FP32 (float)
949.2 GFLOPS
217.3 GFLOPS
FP64 (double)
39.55 GFLOPS

Board Design

190W
TDP
65W
450 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
2x 6-pin
Power Connectors
None

Graphics Processor

Antigua
GPU Name
GK106
Antigua PRO (215-0877000)
GPU Variant
GK106-200-A1
GCN 3.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
5 billion
Transistors
2.54 billion
366 mm²
Die Size
221 mm²

Graphics Features

12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.0
OpenCL
3.0
1.2
Vulkan
1.1
-
CUDA
3.0
6.3
Shader Model
5.1

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